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Merck Index

Index Merck Index

The Merck Index is an encyclopedia of chemicals, drugs and biologicals with over 10,000 monographs on single substances or groups of related compounds. [1]

236 relations: Abietic acid, Aceglatone, Acetamide, Acetone, Acetozone, Acetyl chloride, Acrylic acid, Akuammine, Alkannin, Alloxan, Aloe emodin, Aluminon, Amidol, Amyrin, Apigenin, Azetidine-2-carboxylic acid, Barton–Kellogg reaction, Benkeser reaction, Benzophenone, Benzothiophene, Benzyl bromide, Berberine, Bibenzyl, Biotin, Bismuth subsalicylate, Bixin, Boric acid, Brodifacoum, Butachlor, Butanone, Butyl butyrate, Butyramide, Cacotheline, Camphene, Camphor, Canthaxanthin, Carene, Carnidazole, Castanospermine, Cetyl alcohol, Chamazulene, Chlormidazole, Chloroprednisone, Chrysene, Cinoxate, Citral, Citronellal, Co-dydramol, Coffee bean, Coniine, ..., Coomassie Brilliant Blue, Creatinine, Criticism of Holocaust denial, Crotonaldehyde, Crotyl alcohol, Cuminaldehyde, Cycloheptanone, Cyclohexanol, Cyclopentanone, Cytochalasin B, Diacetyl, Dicamba, Diethyl ether, Digitalose, Dihydroxymalonic acid, Dimethyl carbate, Dimethyl-4-phenylenediamine, Dioxybenzone, Dipyrocetyl, Dodecanol, Dopastin, Effects of cannabis, Eletriptan, Ethanedisulfonic acid, Ethoxyquin, Ethyl butyrate, Ethyl carbamate, Ethyl chloroformate, Ethyl cinnamate, Ethyl methanesulfonate, Ethylamine, Etifoxine, Flavoxanthin, Fluorene, Furfuryl alcohol, Gamma-Butyrolactone, Geraniol, Glucuronolactone, Glutathione, Glyceric acid, Glyoxylic acid, Gold(III) chloride, Grandisol, Guaiacol, Gulose, Heptadecanoic acid, Heptanoic acid, Homosalate, Humulene, Hypericin, Idose, Iodoform, Isobutyl nitrite, Isobutyric acid, Isoconazole, Isocrotonic acid, Isomethadol, Isophorone, Isoprene, Itaconic acid, James Maybrick, Lapyrium, Lead, Linoleic acid, List of academic databases and search engines, Lithium amide, Maleic anhydride, Mandelic acid, Mandelonitrile, Meldrum's acid, Menadione, Merck, Merck & Co., Merck Manual of Diagnosis and Therapy, Mesityl oxide, Metam sodium, Metepa, Methyl acetate, Methyl butyrate, Methylglucoside, Methylnitronitrosoguanidine, Muconic acid, Muscazone, Muscimol, Mycobacillin, Myrcene, N-Methylephedrine, N-Propyl iodide, Name reaction, Neohesperidin dihydrochalcone, Nerolidol, Nickel tetracarbonyl, Nicotinamide adenine dinucleotide, Nitrocellulose, Norvinisterone, Octyl methoxycinnamate, Orcinol, Oxybenzone, P-Phenylenediamine, P-Toluic acid, Palmitic acid, Pamoic acid, Pepsodent, Perillaldehyde, Phellandrene, Phenamidine, Phenol red, Phorbol, Phosgene, Phthalazine, Picene, Piperazine, Piperitone, Polysorbate 80, Potassium sorbate, Potassium sulfate, Propanil, Propyl propanoate, Psilocybin, Retronecine, Rhodoxanthin, Rimazolium, Rubixanthin, Rutin, RXNO Ontology, S-Methylmethionine, Safrole, Salicin, Scillitoxin, Selenocysteine, Sesamex, Sodium erythorbate, Sodium hexametaphosphate, Sodium salts, Sodium sulfate, Solifenacin, Sorbitan, Sorbose, Spinasterol, Squalene, Stearic acid, Stearin, Stearyl alcohol, Succinimide, Sucralfate, Sucralose, Sulfamide, Sulisobenzone, Syringin, Terpineol, Tert-Butyl acetate, Tetraethylammonium chloride, Tetraethylammonium iodide, Tetrahydroxy-1,4-benzoquinone, Tetramethylenedisulfotetramine, The Merck Manuals, The Pepsodent Show, Thiocyanic acid, Thiostrepton, Thioxanthone, TNT, Toxoflavin, Triacetin, Triacontanol, Triethylamine, Trifluralin, Trigonelline, Trimyristin, Trisodium phosphate, Uric acid, Valeric acid, Verdigris, Violaxanthin, Xanthosine, Xanthurenic acid, 1,2,4-Trimethylbenzene, 1,2-Dichlorobenzene, 1-Decanol, 1-Tetradecanol, 1D-chiro-Inositol, 2,4,6-Tribromophenol, 2-Butanol, 2-Hexanone, 2-Pyrrolidone, 5-Deoxyinositol, 8-Azaguanine. Expand index (186 more) »

Abietic acid

Abietic acid (also known as abietinic acid or sylvic acid) is an organic compound that occurs widely in trees.

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Aceglatone

Aceglatone (Glucaron) is an antineoplastic drug available in Japan.

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Acetamide

Acetamide (systematic name: ethanamide) is an organic compound with the formula CH3CONH2.

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Acetone

Acetone (systematically named propanone) is the organic compound with the formula (CH3)2CO.

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Acetozone

Acetozone is an organic peroxide that is a strong oxidant.

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Acetyl chloride

Acetyl chloride, CH3COCl is an acid chloride derived from acetic acid.

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Acrylic acid

Acrylic acid (IUPAC: propenoic acid) is an organic compound with the formula CH2.

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Akuammine

Akuammine (vincamajoridine) is an indole alkaloid.

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Alkannin

Alkannin is a natural dye that is obtained from the extracts of plants from the borage family Alkanna tinctoria that are found in the south of France.

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Alloxan

Alloxan, sometimes referred to as alloxan hydrate, refers to the organic compound with the formula OC(N(H)CO)2C(OH)2.

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Aloe emodin

Aloe emodin (1,3,8-trihydroxyanthraquinone) is an anthraquinone and a variety of emodin present in aloe latex, an exudate from the aloe plant.

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Aluminon

Aluminon, the triammonium salt of aurintricarboxylic acid, is a dye commonly used to detect the presence of the aluminium ion in an aqueous solution.

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Amidol

Amidol is a colorless crystalline compound with the molecular structure C6H3(NH2)2OH.

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Amyrin

The amyrins are three closely related natural chemical compounds of the triterpene class.

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Apigenin

Apigenin (4′,5,7-trihydroxyflavone), found in many plants, is a natural product belonging to the flavone class that is the aglycone of several naturally occurring glycosides.

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Azetidine-2-carboxylic acid

Azetidine-2-carboxylic acid (abbreviated Aze) is a plant non-protein amino acid homologue of proline with the molecular formula C4H7NO2.

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Barton–Kellogg reaction

The Barton–Kellogg reaction is a coupling reaction between a diazo compound and a thioketone through an episulfide intermediate forming an alkene.

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Benkeser reaction

The Benkeser reduction reaction is the hydrogenation of polycyclic aromatic hydrocarbons, especially naphthalenes using lithium or calcium metal using low molecular weight alkyl amines as the solvent and, in part, as a source of protons.

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Benzophenone

Benzophenone is the organic compound with the formula (C6H5)2CO, generally abbreviated Ph2CO.

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Benzothiophene

Benzothiophene is an aromatic organic compound with a molecular formula C8H6S and an odor similar to naphthalene (mothballs).

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Benzyl bromide

Benzyl bromide is an organic compound with the formula C6H5CH2Br.

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Berberine

Berberine is a quaternary ammonium salt from the protoberberine group of benzylisoquinoline alkaloids found in such plants as Berberis (e.g. Berberis vulgaris – barberry, Berberis aristata – tree turmeric, Mahonia aquifolium – Oregon-grape, Hydrastis canadensis – goldenseal, Xanthorhiza simplicissima – yellowroot, Phellodendron amurense – Amur cork tree, Coptis chinensis – Chinese goldthread, Tinospora cordifolia, Argemone mexicana – prickly poppy, and Eschscholzia californica – Californian poppy. Berberine is usually found in the roots, rhizomes, stems, and bark. Due to berberine's strong yellow color, Berberis species were used to dye wool, leather, and wood. Wool is still dyed with berberine today in northern India. Under ultraviolet light, berberine shows a strong yellow fluorescence, so it is used in histology for staining heparin in mast cells. As a natural dye, berberine has a color index of 75160.

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Bibenzyl

Bibenzyl is the organic compound with the formula (C6H5CH2)2.

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Biotin

Biotin is a water-soluble B vitamin, also called vitamin B7 and formerly known as vitamin H or coenzyme R. Biotin is composed of a ureido ring fused with a tetrahydrothiophene ring.

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Bismuth subsalicylate

Bismuth subsalicylate, sold under the brand name Pepto-Bismol, is an antacid medication used to treat temporary discomforts of the stomach and gastrointestinal tract, such as diarrhea, indigestion, heartburn and nausea.

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Bixin

Bixin is an apocarotenoid found in annatto, a natural food coloring obtained from the seeds of the achiote tree (Bixa orellana).

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Boric acid

Boric acid, also called hydrogen borate, boracic acid, orthoboric acid and acidum boricum, is a weak, monobasic Lewis acid of boron, which is often used as an antiseptic, insecticide, flame retardant, neutron absorber, or precursor to other chemical compounds.

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Brodifacoum

Brodifacoum is a highly lethal 4-hydroxycoumarin vitamin K antagonist anticoagulant poison.

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Butachlor

Butachlor is a herbicide of the acetanilide class.

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Butanone

Butanone, also known as methyl ethyl ketone (MEK), is an organic compound with the formula CH3C(O)CH2CH3.

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Butyl butyrate

Butyl butyrate, or butyl butanoate, is an organic compound that is an ester formed by the condensation of butyric acid and ''n''-butanol.

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Butyramide

Butyramide is the amide of butyric acid.

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Cacotheline

Cacotheline is an organic compound with the chemical formula C21H21N3O7.

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Camphene

Camphene, the chemical, not to be confused with camphine, the burning fluid lamp fuel.

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Camphor

Camphor is a waxy, flammable, white or transparent solid with a strong aroma.

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Canthaxanthin

Canthaxanthin is a keto-carotenoid pigment widely distributed in nature.

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Carene

Carene, or delta-3-carene, is a bicyclic monoterpene consisting of fused cyclohexene and cyclopropane rings.

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Carnidazole

Carnidazole (trade names Spartrix, Pantrix, Gambamix) is an antiprotozoal drug of the nitroimidazole class used in veterinary medicine.

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Castanospermine

Castanospermine is an indolizidine alkaloid first isolated from the seeds of Castanospermum australe.

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Cetyl alcohol

Cetyl alcohol, also known as hexadecan-1-ol and palmityl alcohol, is a fatty alcohol with the formula CH3(CH2)15OH.

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Chamazulene

Chamazulene is an aromatic chemical compound with the molecular formula C14H16 found in a variety of plants including in chamomile (Matricaria chamomilla), wormwood (Artemisia absinthium), and yarrow (Achillea millefolium).

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Chlormidazole

Chlormidazole (INN, also known as clomidazole) is used as a spasmolytic and azole antifungal drug.

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Chloroprednisone

Chloroprednisone is a topical glucocorticoid first reported in 1960.

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Chrysene

Chrysene is a polycyclic aromatic hydrocarbon (PAH) with the molecular formula that consists of four fused benzene rings.

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Cinoxate

Cinoxate is an organic compound used as an ingredient in some types of sunscreens.

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Citral

Citral, or 3,7-dimethyl-2,6-octadienal or lemonal, is either a pair, or a mixture of terpenoids with the molecular formula C10H16O.

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Citronellal

Citronellal or rhodinal or 3,7-dimethyloct-6-en-1-al (C10H18O) is a monoterpenoid, the main component in the mixture of terpenoid chemical compounds that give citronella oil its distinctive lemon scent.

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Co-dydramol

Co-dydramol (BAN) is a non-proprietary name used to denote a particular compound analgesic, a combination of dihydrocodeine tartrate and paracetamol.

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Coffee bean

A coffee bean is a seed of the coffee plant and the source for coffee.

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Coniine

Coniine refers to a poisonous chemical compound, an alkaloid present in and isolable from poison hemlock (Conium maculatum), where its presence has been a source of significant economic, medical, and historico-cultural interest; coniine is also produced by the yellow pitcher plant (Sarracenia flava), and fool's parsley (Aethusa cynapium).

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Coomassie Brilliant Blue

Coomassie Brilliant Blue is the name of two similar triphenylmethane dyes that were developed for use in the textile industry but are now commonly used for staining proteins in analytical biochemistry.

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Creatinine

Creatinine (or; from flesh) is a breakdown product of creatine phosphate in muscle, and is usually produced at a fairly constant rate by the body (depending on muscle mass).

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Criticism of Holocaust denial

Criticism of Holocaust denial is directed against people who claim that the genocide of Jews during World War II in the HolocaustDonald L Niewyk, The Columbia Guide to the Holocaust, Columbia University Press, 2000, p.45: "The Holocaust is commonly defined as the murder of more than 5,000,000 Jews by the Germans in World War II." Estimates by scholars range from 5.1 million to 7.8 million.

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Crotonaldehyde

Crotonaldehyde is a chemical compound with the formula CH3CH.

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Crotyl alcohol

No description.

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Cuminaldehyde

Cuminaldehyde, or 4-isopropylbenzaldehyde, is a natural organic compound with the molecular formula C10H12O.

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Cycloheptanone

Cycloheptanone, (CH2)6CO, is a cyclic ketone also referred to as suberone.

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Cyclohexanol

Cyclohexanol is the organic compound with the formula HOCH(CH2)5.

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Cyclopentanone

Cyclopentanone is the organic compound with the formula (CH2)4CO.

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Cytochalasin B

Cytochalasin B, the name of which comes from the Greek cytos (cell) and chalasis (relaxation), is a cell-permeable mycotoxin.

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Diacetyl

Diacetyl (IUPAC systematic name: butanedione or butane-2,3-dione) is an organic compound with the chemical formula (CH3CO)2.

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Dicamba

Dicamba (3,6-dichloro-2-methoxybenzoic acid) is a broad-spectrum herbicide first registered in 1967.

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Diethyl ether

Diethyl ether, or simply ether, is an organic compound in the ether class with the formula, sometimes abbreviated as (see Pseudoelement symbols).

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Digitalose

Digitalose is a deoxy sugar that is a component of various cardiac glycosides including thevetin and emicymarin.

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Dihydroxymalonic acid

Dihydroxymalonic acid is an organic compound with formula C3H4O6 or HO-(C.

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Dimethyl carbate

Dimethyl carbate is an insect repellent.

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Dimethyl-4-phenylenediamine

Dimethyl-4-phenylenediamine is a molecule used in the oxidase test and it is an important precursor to methylene blue.

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Dioxybenzone

Dioxybenzone (benzophenone-8) is an organic compound used in sunscreen to block UVB and short-wave UVA (ultraviolet) rays.

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Dipyrocetyl

Dipyrocetyl is a pharmaceutical drug used as an analgesic and antipyretic.

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Dodecanol

Dodecanol, or lauryl alcohol, is an organic compound produced industrially from palm kernel oil or coconut oil.

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Dopastin

Dopastin is a chemical compound produced by the bacteria Pseudomonas No.

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Effects of cannabis

The effects of cannabis are caused by the chemical compounds in the plant, including cannabinoids, such as tetrahydrocannabinol (THC), which is only one of more than 100 different cannabinoids present in the plant.

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Eletriptan

Eletriptan (trade name Relpax, used in the form of eletriptan hydrobromide) is a second generation triptan drug intended for treatment of migraine headaches.

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Ethanedisulfonic acid

Ethanedisulfonic acid is a diprotic sulfonic acid, with pKa values of -1.46 and -2.06, making it a very strong acid.

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Ethoxyquin

No description.

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Ethyl butyrate

Ethyl butyrate, also known as ethyl butanoate, or butyric ether, is an ester with the chemical formula CH3CH2CH2COOCH2CH3.

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Ethyl carbamate

Ethyl carbamate (also called urethane) is an organic compound with the formula CH3CH2OC(O)NH2.

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Ethyl chloroformate

Ethyl chloroformate is the ethyl ester of chloroformic acid.

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Ethyl cinnamate

Ethyl cinnamate is the ester of cinnamic acid and ethanol.

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Ethyl methanesulfonate

No description.

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Ethylamine

Ethylamine is an organic compound with the formula CH3CH2NH2.

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Etifoxine

Etifoxine (INN, also known as etafenoxine; trade name Stresam) is an anxiolytic and anticonvulsant drug developed by Hoechst in the 1960s.

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Flavoxanthin

Flavoxanthin is a natural xanthophyll pigment with a golden-yellow color found in small quantities in a variety of plants.

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Fluorene

Fluorene, or 9H-fluorene, is a polycyclic aromatic hydrocarbon.

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Furfuryl alcohol

Furfuryl alcohol is an organic compound containing a furan substituted with a hydroxymethyl group.

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Gamma-Butyrolactone

γ-Butyrolactone (GBL) is a hygroscopic colorless, water-miscible liquid with a weak characteristic odor.

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Geraniol

Geraniol is a monoterpenoid and an alcohol.

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Glucuronolactone

Glucuronolactone is a naturally occurring substance that is an important structural component of nearly all connective tissues.

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Glutathione

Glutathione (GSH) is an important antioxidant in plants, animals, fungi, and some bacteria and archaea.

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Glyceric acid

Glyceric acid is a natural three-carbon sugar acid obtained from the oxidation of glycerol.

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Glyoxylic acid

Glyoxylic acid or oxoacetic acid is an organic compound.

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Gold(III) chloride

Gold(III) chloride, traditionally called auric chloride, is a chemical compound of gold and chlorine.

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Grandisol

No description.

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Guaiacol

Guaiacol is a naturally-occurring organic compound with the formula C6H4(OH)(OCH3), first isolated by Otto Unverdorben in 1826.

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Gulose

Gulose is an aldohexose sugar.

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Heptadecanoic acid

Heptadecanoic acid, or margaric acid, is a saturated fatty acid.

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Heptanoic acid

Heptanoic acid, also called enanthic acid, is an organic compound composed of a seven-carbon chain terminating in a carboxylic acid.

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Homosalate

No description.

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Humulene

Humulene, also known as α-humulene or α-caryophyllene, is a naturally occurring monocyclic sesquiterpene (C15H24), containing an 11-membered ring and consisting of 3 isoprene units containing three nonconjugated C.

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Hypericin

Hypericin is a naphthodianthrone, an anthraquinone derivative which, together with hyperforin, is one of the principal active constituents of Hypericum (Saint John's wort).

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Idose

Idose is a hexose, a six carbon monosaccharide.

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Iodoform

Iodoform is the organoiodine compound with the formula CHI3.

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Isobutyl nitrite

Isobutyl nitrite, C4H9NO2, is an alkyl nitrite, an ester of isobutanol and nitrous acid.

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Isobutyric acid

Isobutyric acid, also known as 2-methylpropanoic acid, is a carboxylic acid with structural formula (CH3)2CHCO2H.

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Isoconazole

Isoconazole is an azole antifungal drug and could inhibit gram positive bacteria.

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Isocrotonic acid

Isocrotonic acid (or quartenylic acid) is formally named (Z)-2-butenoic acid and is the cis analogue of crotonic acid.

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Isomethadol

Isomethadol is a opioid analgesic with a number of stereoisomers (viz. alpha and beta forms of dextro, laevo, and racemic isomers for a total of six) produced by the reduction of d,l-isomethadone with lithium aluminium hydride.

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Isophorone

Isophorone is an α,β-unsaturated cyclic ketone.

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Isoprene

Isoprene, or 2-methyl-1,3-butadiene, is a common organic compound with the formula CH2.

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Itaconic acid

Itaconic acid, or methylidenesuccinic acid, is an organic compound.

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James Maybrick

James Maybrick (24 October 1838 – 11 May 1889) was a Liverpool cotton merchant.

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Lapyrium

Lapyrium, or lapirium, as the chloride salt lapirium chloride (INN) or lapyrium chloride (USAN), is a cationic surfactant that is used in personal care products as a biocide and antistatic agent.

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Lead

Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82.

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Linoleic acid

Linoleic acid (LA), a carboxylic acid, is a polyunsaturated omega-6 fatty acid, an 18-carbon chain with two double bonds in cis configuration.

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List of academic databases and search engines

This page contains a representative list of major databases and search engines useful in an academic setting for finding and accessing articles in academic journals, repositories, archives, or other collections of scientific and other articles.

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Lithium amide

Lithium amide is an inorganic compound with the chemical formula Li+NH2−, i.e. it is composed of a lithium cation, and the conjugate base of ammonia.

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Maleic anhydride

Maleic anhydride is an organic compound with the formula C2H2(CO)2O.

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Mandelic acid

Mandelic acid is an aromatic alpha hydroxy acid with the molecular formula C6H5CH(OH)CO2H.

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Mandelonitrile

In organic chemistry, mandelonitrile is the nitrile of mandelic acid, or the cyanohydrin derivative of benzaldehyde.

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Meldrum's acid

Meldrum's acid or 2,2-dimethyl-1,3-dioxane-4,6-dione is an organic compound.

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Menadione

Menadione is an organic compound with the formula C6H4(CO)2C2H(CH3).

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Merck

Merck primarily refers to the German Merck family and three companies founded by the family, including.

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Merck & Co.

Merck & Company, Inc., d.b.a. Merck Sharp & Dohme (MSD) outside the United States and Canada, is an American pharmaceutical company and one of the largest pharmaceutical companies in the world.

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Merck Manual of Diagnosis and Therapy

The Merck Manual of Diagnosis and Therapy, referred to as The Merck Manual, is the world's best-selling medical textbook, and the oldest continuously published English language medical textbook.

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Mesityl oxide

Mesityl oxide is a α,β-unsaturated ketone with the formula CH3C(O)CH.

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Metam sodium

Metam sodium is an organosulfur compound (formally a dithiocarbamate), which is used as a soil fumigant, pesticide, herbicide, and fungicide.

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Metepa

Metepa is a chemosterilant.

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Methyl acetate

Methyl acetate, also known as MeOAc, acetic acid methyl ester or methyl ethanoate, is a carboxylate ester with the formula CH3COOCH3.

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Methyl butyrate

Methyl butyrate, also known under the systematic name methyl butanoate, is the methyl ester of butyric acid.

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Methylglucoside

Methylglucoside is a monosaccharide derived from glucose.

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Methylnitronitrosoguanidine

Methylnitronitrosoguanidine (MNNG or MNG) is a biochemical tool used experimentally as a carcinogen and mutagen.

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Muconic acid

Muconic acid is a dicarboxylic acid.

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Muscazone

Muscazone is a toxic chemical compound.

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Muscimol

Muscimol (also known as agarin or pantherine) is one of the principal psychoactive constituents of Amanita muscaria and related species of mushroom.

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Mycobacillin

Mycobacillin is an antifungal cyclic peptide.

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Myrcene

Myrcene, or β-myrcene, is an olefinic natural organic hydrocarbon.

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N-Methylephedrine

N-Methylephedrine is a derivative of ephedrine.

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N-Propyl iodide

n-Propyl iodide (also 1-propyl iodide or 1-iodopropane) is a colorless, flammable chemical compound.

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Name reaction

A name reaction is a chemical reaction named after its discoverers or developers.

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Neohesperidin dihydrochalcone

Neohesperidin dihydrochalcone, sometimes abbreviated to neohesperidin DC or simply NHDC, is an artificial sweetener derived from citrus.

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Nerolidol

Nerolidol, also known as peruviol, is a naturally occurring sesquiterpene found in the essential oils of many types of plants and flowers.

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Nickel tetracarbonyl

Nickel carbonyl (IUPAC name: tetracarbonylnickel) is the organonickel compound with the formula Ni(CO)4.

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Nicotinamide adenine dinucleotide

Nicotinamide adenine dinucleotide (NAD) is a coenzyme found in all living cells.

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Nitrocellulose

Nitrocellulose (also known as cellulose nitrate, flash paper, flash cotton, guncotton, and flash string) is a highly flammable compound formed by nitrating cellulose through exposure to nitric acid or another powerful nitrating agent.

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Norvinisterone

Norvinisterone, sold under the brand names Neoprogestin and Nor-Progestelea, is a progestin and androgen/anabolic steroid (AAS) medication which was used in Europe but is now no longer marketed.

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Octyl methoxycinnamate

Octyl methoxycinnamate or ethylhexyl methoxycinnamate (INCI) or octinoxate (USAN), trade names Eusolex 2292 and Uvinul MC80, is an organic compound that is an ingredient in some sunscreens and lip balms.

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Orcinol

Orcinol is a natural phenolic organic compound that occurs in many species of lichens including Roccella tinctoria and Lecanora.

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Oxybenzone

Oxybenzone or benzophenone-3 (trade names Milestab 9, Eusolex 4360, Escalol 567, KAHSCREEN BZ-3) is an organic compound.

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P-Phenylenediamine

p-Phenylenediamine (PPD) is an organic compound with the formula C6H4(NH2)2.

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P-Toluic acid

p-Toluic acid (4-methylbenzoic acid) is a substituted benzoic acid with the formula CH3C6H4COOH.

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Palmitic acid

Palmitic acid, or hexadecanoic acid in IUPAC nomenclature, is the most common saturated fatty acid found in animals, plants and microorganisms.

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Pamoic acid

Pamoic acid, also called embonic acid, is a naphthoic acid derivative.

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Pepsodent

Pepsodent is an American brand of toothpaste with the minty flavor derived from sassafras.

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Perillaldehyde

Perillaldehyde, or perilla aldehyde, is a natural organic compound found most abundantly in the annual herb perilla, but also in a wide variety of other plants and essential oils.

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Phellandrene

Phellandrene is the name for a pair of organic compounds that have a similar molecular structure and similar chemical properties.

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Phenamidine

Phenamidine is an antiprotozoal drug of the amidine class used in veterinary medicine.

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Phenol red

Phenol red (also known as phenolsulfonphthalein or PSP) is a pH indicator frequently used in cell biology laboratories.

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Phorbol

Phorbol is a natural, plant-derived organic compound.

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Phosgene

Phosgene is the chemical compound with the formula COCl2.

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Phthalazine

Phthalazine, also called benzo-orthodiazine or benzopyridazine, is a heterocyclic organic compound with the molecular formula C8H6N2.

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Picene

Picene is a hydrocarbon found in the pitchy residue obtained in the distillation of peat tar and of petroleum.

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Piperazine

Piperazine is an organic compound that consists of a six-membered ring containing two nitrogen atoms at opposite positions in the ring.

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Piperitone

Piperitone is a natural monoterpene ketone which is a component of some essential oils.

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Polysorbate 80

Polysorbate 80 is a nonionic surfactant and emulsifier often used in foods and cosmetics.

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Potassium sorbate

Potassium sorbate is the potassium salt of sorbic acid, chemical formula CH3CH.

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Potassium sulfate

Potassium sulfate (K2SO4) (in British English potassium sulphate, also called sulphate of potash, arcanite, or archaically known as potash of sulfur) is a non-flammable white crystalline salt which is soluble in water.

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Propanil

Propanil is a widely used contact herbicide.

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Propyl propanoate

Propyl propanoate (propyl propionate) is the organic compound with the formula.

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Psilocybin

Psilocybin is a naturally occurring psychedelic prodrug compound produced by more than 200 species of mushrooms, collectively known as psilocybin mushrooms.

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Retronecine

Retronecine is a pyrrolizidine alkaloid found in a variety of plants in the genera Senecio and Crotalaria, and the family Boraginaceae.

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Rhodoxanthin

Rhodoxanthin is a xanthophyll pigment with a purple color that is found in small quantities in a variety of plants including Taxus baccata.

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Rimazolium

Rimazolium is a non-narcotic analgesic.

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Rubixanthin

Rubixanthin, or natural yellow 27, is a natural xanthophyll pigment with a red-orange color found in rose hips.

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Rutin

Rutin, also called rutoside, quercetin-3-O-rutinoside and sophorin, is the glycoside combining the flavonol quercetin and the disaccharide rutinose (α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranose).

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RXNO Ontology

The RXNO Ontology is a formal ontology of chemical named reactions.

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S-Methylmethionine

S-Methylmethionine (SMM) is a derivative of methionine with the chemical formula (CH3)2S+CH2CH2CH(NH3+)CO2−.

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Safrole

Safrole is a phenylpropene.

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Salicin

Salicin is an alcoholic β-glucoside.

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Scillitoxin

Scillitoxin or Scillaine is a chemical substance found in daffodils.

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Selenocysteine

Selenocysteine (symbol Sec or U, in older publications also as Se-Cys) is the 21st proteinogenic amino acid.

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Sesamex

Sesamex, also called sesoxane, is an organic compound used as a synergist, that is, it enhances the potency of pesticides such pyrethrins and pyrethroids, it is not a pesticide.

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Sodium erythorbate

Sodium erythorbate (C6H7NaO6) is a food additive used predominantly in meats, poultry, and soft drinks.

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Sodium hexametaphosphate

Sodium hexametaphosphate (SHMP) is a hexamer of composition (NaPO3)6.

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Sodium salts

Sodium salts are salts composed of sodium cations and the conjugate base anions of some inorganic or organic acid.

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Sodium sulfate

Sodium sulfate, also known as sulfate of soda, is the inorganic compound with formula Na2SO4 as well as several related hydrates.

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Solifenacin

Solifenacin (INN, trade name Vesicare) is a medicine of the antimuscarinic class and was developed for treating contraction of overactive bladder with associated problems such as increased urination frequency and urge incontinence.

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Sorbitan

Sorbitan is a mixture of isomeric organic compounds derived from the dehydration of sorbitol and is an intermediate in the conversion of sorbitol to isosorbide.

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Sorbose

Sorbose is a ketose belonging to the group of sugars known as monosaccharides.

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Spinasterol

α-Spinasterol is a phytosterol found in a variety of plant sources such as spinach, from which it gets its name.

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Squalene

Squalene is a natural 30-carbon organic compound originally obtained for commercial purposes primarily from shark liver oil (hence its name, as Squalus is a genus of sharks), although plant sources (primarily vegetable oils) are now used as well, including amaranth seed, rice bran, wheat germ, and olives.

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Stearic acid

Stearic acid is a saturated fatty acid with an 18-carbon chain and has the IUPAC name octadecanoic acid.

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Stearin

Stearin, or tristearin, or glyceryl tristearate is a triglyceride derived from three units of stearic acid.

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Stearyl alcohol

Stearyl alcohol (also known as octadecyl alcohol or 1-octadecanol) is an organic compound classified as a fatty alcohol with the formula CH3(CH2)16CH2OH.

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Succinimide

Succinimide is an organic compound with the formula (CH2)2(CO)2NH.

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Sucralfate

Sucralfate is a medication primarily taken to treat active duodenal ulcers. Sucralfate is also used for the treatment of gastroesophageal reflux disease (GERD) and stress ulcers. Sucralfate is a sucrose sulfate-aluminium complex that binds to the ulcer, creating a physical barrier that protects the gastrointestinal tract from stomach acid and prevents the degradation of mucus. It also promotes bicarbonate production and acts like an acid buffer with cytoprotective properties.

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Sucralose

Sucralose is an artificial sweetener and sugar substitute.

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Sulfamide

Sulfamide (IUPAC name: sulfuric diamide) is a chemical compound with the molecular structure H2NSO2NH2.

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Sulisobenzone

Sulisobenzone (benzophenone-4) is an ingredient in some sunscreens which protects the skin from damage by UVB and UVA ultraviolet light.

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Syringin

Syringin is a natural chemical compound first isolated from the bark of lilac (Syringa vulgaris) by Meillet in 1841.

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Terpineol

Terpineol is a monoterpene alcohol that has been isolated from a variety of sources such as cajuput oil, pine oil, and petitgrain oil.

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Tert-Butyl acetate

tert-Butyl acetate, t-butyl acetate or TBAc is a colorless flammable liquid with a camphor- or blueberry-like smell.

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Tetraethylammonium chloride

Tetraethylammonium chloride (TEAC) is a quaternary ammonium compound with the chemical formula C8H20N+Cl−, sometimes written as Et4N+Cl−.

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Tetraethylammonium iodide

Tetraethylammonium iodide is a quaternary ammonium compound with the chemical formula C8H20N+I−.

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Tetrahydroxy-1,4-benzoquinone

Tetrahydroxy-1,4-benzoquinone, also called tetrahydroxy-p-benzoquinone, tetrahydroxybenzoquinone, or tetrahydroxyquinone (THBQ, THQ), is an organic compound with formula C6O2(OH)4.

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Tetramethylenedisulfotetramine

Tetramethylenedisulfotetramine (TETS) is an organic compound that is used as a rodenticide (rat poison).

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The Merck Manuals

The Merck Manuals are medical references published by the American pharmaceutical company Merck & Co. (known as MSD outside the United States), that cover a wide range of medical topics, including disorders, tests, diagnoses, and drugs.

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The Pepsodent Show

The Pepsodent Show is an American radio comedy program broadcast during the Golden Age of Radio.

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Thiocyanic acid

Thiocyanic acid is a chemical compound with the formula HSCN which exists as a tautomer with isothiocyanic acid (HNCS).

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Thiostrepton

Thiostrepton is a natural cyclic oligopeptide antibiotic of the thiopeptide class, derived from several strains of streptomycetes, such as Streptomyces azureus and Streptomyces laurentii.

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Thioxanthone

Thioxanthone is a heterocyclic compound that is a sulfur analog of xanthone.

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TNT

Trinitrotoluene (TNT), or more specifically 2,4,6-trinitrotoluene, is a chemical compound with the formula C6H2(NO2)3CH3.

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Toxoflavin

Toxoflavin is a toxin produced by a variety of bacteria including Burkholderia gladioli.

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Triacetin

The triglyceride 1,2,3-triacetoxypropane is more generally known as triacetin and glycerin triacetate.

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Triacontanol

1-Triacontanol is a fatty alcohol of the general formula C30H62O, also known as melissyl alcohol or myricyl alcohol.

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Triethylamine

Triethylamine is the chemical compound with the formula N(CH2CH3)3, commonly abbreviated Et3N.

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Trifluralin

Trifluralin is a commonly used pre-emergence herbicide.

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Trigonelline

Trigonelline is an alkaloid with chemical formula 772.

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Trimyristin

Trimyristin is an ester with the chemical formula C45H86O6.

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Trisodium phosphate

Trisodium phosphate (TSP) is the inorganic compound with the chemical formula Na3PO4.

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Uric acid

Uric acid is a heterocyclic compound of carbon, nitrogen, oxygen, and hydrogen with the formula C5H4N4O3.

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Valeric acid

Valeric acid, or pentanoic acid, is a straight-chain alkyl carboxylic acid with the chemical formula.

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Verdigris

Verdigris is the common name for a green pigment obtained through the application of acetic acid to copper plates or the natural patina formed when copper, brass or bronze is weathered and exposed to air or seawater over a period of time.

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Violaxanthin

Violaxanthin is a natural xanthophyll pigment with an orange color found in a variety of plants including pansies.

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Xanthosine

Xanthosine is a nucleoside derived from xanthine and ribose.

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Xanthurenic acid

Xanthurenic acid, or xanthurenate, is a chemical shown to induce gametogenesis of Plasmodium falciparum, the parasite that causes malaria.

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1,2,4-Trimethylbenzene

1,2,4-Trimethylbenzene, also known as pseudocumene, is an organic compound with the chemical formula C6H3(CH3)3.

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1,2-Dichlorobenzene

1,2-Dichlorobenzene, or orthodichlorobenzene (ODCB), is an organic compound with the formula C6H4Cl2.

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1-Decanol

1-Decanol is a straight chain fatty alcohol with ten carbon atoms and the molecular formula C10H21OH.

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1-Tetradecanol

1-Tetradecanol, or commonly myristyl alcohol (from Myristica fragrans – the nutmeg plant), is a straight-chain saturated fatty alcohol, with the molecular formula C14H30O.

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1D-chiro-Inositol

1D-chiro-Inositol (formerly D-chiro-Inositol, commonly abbreviated DCI) is a member of a family of related substances often referred to collectively as "inositol," although that term encompasses several isomers of questionable biological relevance, including 1L-''chiro''-Inositol.

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2,4,6-Tribromophenol

2,4,6-Tribromophenol (TBP) is a brominated derivative of phenol.

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2-Butanol

2-Butanol, or sec-butanol, is an organic compound with formula CH3CH(OH)CH2CH3.

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2-Hexanone

2-Hexanone (methyl butyl ketone, MBK) is a ketone used as a general solvent and in paints.

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2-Pyrrolidone

2-Pyrrolidone is an organic compound consisting of a 5-membered lactam, making it the simplest γ-lactam.

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5-Deoxyinositol

5-Deoxyinositol (quercitol) is a cyclitol.

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8-Azaguanine

8-Azaguanine is a purine analog with the chemical formula C4H4N6O.

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Merck Index: An Encyclopedia of Chemicals Drugs and Biologicals, The Merck Index.

References

[1] https://en.wikipedia.org/wiki/Merck_Index

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