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CAS Registry Number

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A CAS Registry Number, also referred to as CASRN or CAS Number, is a unique numerical identifier assigned by the Chemical Abstracts Service (CAS) to every chemical substance described in the open scientific literature (currently including all substances described from 1957 through the present, plus some substances from the early or mid 1900s), including organic and inorganic compounds, minerals, isotopes, alloys and nonstructurable materials (UVCBs, of unknown, variable composition, or biological origin). [1]

41 relations: Academic publishing, Adrenaline, Alcohol dehydrogenase, Alloy, Beilstein Registry Number, Canadian Centre for Occupational Health and Safety, Carbon, Check digit, Chemical Abstracts Service, Chemical database, Chemical file format, Chemical formula, Chromium, Diamond, Environmental Risk Management Authority, Enzyme Commission number, European Community number, Glossary of chemical formulas, Graphite, Hexavalent chromium, Identifier, Inorganic compound, International Chemical Identifier, International Union of Pure and Applied Chemistry, Isotope, Leishman stain, List of CAS numbers by chemical compound, Mineral, Modular arithmetic, Mustard oil, Organic compound, Phase (matter), PubChem, Racemic mixture, Registration authority, Royal Society of Chemistry, Simplified molecular-input line-entry system, Stereoisomerism, UN number, United States National Library of Medicine, Water.

Academic publishing

Academic publishing is the subfield of publishing which distributes academic research and scholarship.

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Adrenaline

Adrenaline, also known as adrenalin or epinephrine, is a hormone, neurotransmitter, and medication.

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Alcohol dehydrogenase

Alcohol dehydrogenases (ADH) are a group of dehydrogenase enzymes that occur in many organisms and facilitate the interconversion between alcohols and aldehydes or ketones with the reduction of nicotinamide adenine dinucleotide (NAD+ to NADH).

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Alloy

An alloy is a combination of metals or of a metal and another element.

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Beilstein Registry Number

The Beilstein Registry Number is a way of identifying compounds similar to the CAS registry number.

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Canadian Centre for Occupational Health and Safety

The Canadian Centre for Occupational Health and Safety (CCOHS) is an independent departmental corporation under Schedule II of the Financial Administration Act and is accountable to Parliament through the Minister of Labour.

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Carbon

Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.

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Check digit

A check digit is a form of redundancy check used for error detection on identification numbers, such as bank account numbers, which are used in an application where they will at least sometimes be input manually.

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Chemical Abstracts Service

Chemical Abstracts Service (CAS) is a division of the American Chemical Society.

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Chemical database

A chemical database is a database specifically designed to store chemical information.

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Chemical file format

This article discusses some common molecular file formats, including usage and converting between them.

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Chemical formula

A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.

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Chromium

Chromium is a chemical element with symbol Cr and atomic number 24.

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Diamond

Diamond is a solid form of carbon with a diamond cubic crystal structure.

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Environmental Risk Management Authority

The Environmental Risk Management Authority (ERMA) was a New Zealand government agency which controlled the introduction of hazardous substances and new organisms (invasive species and genetically modified organisms).

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Enzyme Commission number

The Enzyme Commission number (EC number) is a numerical classification scheme for enzymes, based on the chemical reactions they catalyze.

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European Community number

The European Community number (EC number) is a unique seven-digit identifier that was assigned to substances for regulatory purposes within the European Union by the European Commission.

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Glossary of chemical formulas

This is a list of common chemical compounds with chemical formulas and CAS numbers, indexed by formula.

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Graphite

Graphite, archaically referred to as plumbago, is a crystalline allotrope of carbon, a semimetal, a native element mineral, and a form of coal.

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Hexavalent chromium

Hexavalent chromium (chromium(VI), Cr(VI), chromium 6) is any chemical compound that contains the element chromium in the +6 oxidation state (thus hexavalent).

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Identifier

An identifier is a name that identifies (that is, labels the identity of) either a unique object or a unique class of objects, where the "object" or class may be an idea, physical object (or class thereof), or physical substance (or class thereof).

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Inorganic compound

An inorganic compound is typically a chemical compound that lacks C-H bonds, that is, a compound that is not an organic compound, but the distinction is not defined or even of particular interest.

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International Chemical Identifier

The IUPAC International Chemical Identifier (InChI or) is a textual identifier for chemical substances, designed to provide a standard way to encode molecular information and to facilitate the search for such information in databases and on the web.

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International Union of Pure and Applied Chemistry

The International Union of Pure and Applied Chemistry (IUPAC) is an international federation of National Adhering Organizations that represents chemists in individual countries.

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Isotope

Isotopes are variants of a particular chemical element which differ in neutron number.

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Leishman stain

Leishman stain (CAS:12627-53-1, EC: 235-732-1, MFCD:00131498), also Leishman's stain, is used in microscopy for staining blood smears.

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List of CAS numbers by chemical compound

This is a list of CAS numbers by chemical formulas and chemical compounds, indexed by formula.

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Mineral

A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes.

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Modular arithmetic

In mathematics, modular arithmetic is a system of arithmetic for integers, where numbers "wrap around" upon reaching a certain value—the modulus (plural moduli).

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Mustard oil

The term mustard oil is used for two different oils that are made from mustard seeds.

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Organic compound

In chemistry, an organic compound is generally any chemical compound that contains carbon.

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Phase (matter)

In the physical sciences, a phase is a region of space (a thermodynamic system), throughout which all physical properties of a material are essentially uniform.

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PubChem

PubChem is a database of chemical molecules and their activities against biological assays.

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Racemic mixture

In chemistry, a racemic mixture, or racemate, is one that has equal amounts of left- and right-handed enantiomers of a chiral molecule.

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Registration authority

Registration authorities exist for many standards organizations, such as ANNA (Association of National Numbering Agencies for ISIN), the Object Management Group, W3C, IEEE and others.

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Royal Society of Chemistry

The Royal Society of Chemistry (RSC) is a learned society (professional association) in the United Kingdom with the goal of "advancing the chemical sciences".

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Simplified molecular-input line-entry system

The simplified molecular-input line-entry system (SMILES) is a specification in form of a line notation for describing the structure of chemical species using short ASCII strings.

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Stereoisomerism

In stereochemistry, stereoisomers are isomeric molecules that have the same molecular formula and sequence of bonded atoms (constitution), but differ in the three-dimensional orientations of their atoms in space.

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UN number

UN numbers (United Nations numbers) are four-digit numbers that identify hazardous materials, and articles (such as explosives, Flammable Liquids to oxidizing solid or toxic liquids, etc.) in the framework of international transport.

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United States National Library of Medicine

The United States National Library of Medicine (NLM), operated by the United States federal government, is the world's largest medical library.

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Water

Water is a transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.

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References

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

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