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CAS Registry Number
A CAS Registry Number,[1] 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).[2] The Registry maintained by CAS is an authoritative collection of disclosed chemical substance information. It currently identifies more than 129 million organic and inorganic substances and 67 million protein and DNA sequences,[3] plus additional information about each substance
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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 [countable] object (or class thereof), or physical [noncountable] substance (or class thereof). The abbreviation ID often refers to identity, identification (the process of identifying), or an identifier (that is, an instance of identification). An identifier may be a word, number, letter, symbol, or any combination of those. The words, numbers, letters, or symbols may follow an encoding system (wherein letters, digits, words, or symbols stand for (represent) ideas or longer names) or they may simply be arbitrary. When an identifier follows an encoding system, it is often referred to as a code or ID code. Identifiers that do not follow any encoding scheme are often said to be arbitrary IDs; they are arbitrarily assigned and have no greater meaning
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International Chemical Identifier
The IUPAC
IUPAC
International Chemical Identifier
Identifier
(InChI /ˈɪntʃiː/ IN-chee or /ˈɪŋkiː/ ING-kee) 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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Royal Society Of Chemistry
The Royal Society
Royal Society
of Chemistry
Chemistry
(RSC) is a learned society (professional association) in the United Kingdom
United Kingdom
with the goal of "advancing the chemical sciences". It was formed in 1980 from the amalgamation of the Chemical Society, the Royal Institute of Chemistry, the Faraday Society, and the Society for Analytical Chemistry
Chemistry
with a new Royal Charter and the dual role of learned society and professional body. At its inception, the Society had a combined membership of 34,000 in the UK and a further 8,000 abroad.[2] The headquarters of the Society are at Burlington House, Piccadilly, London. It also has offices in Thomas Graham House in Cambridge
Cambridge
(named after Thomas Graham, the first president of the Chemical Society) where RSC Publishing is based
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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).[1][2] ERMA was principally responsible for implementing the Hazardous Substances and New Organisms Act 1996 (HSNO)
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Academic Publishing
Academic publishing is the subfield of publishing which distributes academic research and scholarship. Most academic work is published in academic journal article, book or thesis form. The part of academic written output that is not formally published but merely printed up or posted on the Internet is often called "grey literature". Most scientific and scholarly journals, and many academic and scholarly books, though not all, are based on some form of peer review or editorial refereeing to qualify texts for publication. Peer review quality and selectivity standards vary greatly from journal to journal, publisher to publisher, and field to field. Most established academic disciplines have their own journals and other outlets for publication, although many academic journals are somewhat interdisciplinary, and publish work from several distinct fields or subfields
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Beilstein Registry Number
The Beilstein Registry Number is a way of identifying compounds similar to the CAS registry number. It is the unique identifier for compounds in the Beilstein database. Wikidata
Wikidata
has the property: Beilstein Registry Number (P1579) (see talk; uses)This chemistry-related article is a stub
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Chemical Database
A chemical database is a database specifically designed to store chemical information. This information is about chemical and crystal structures, spectra, reactions and syntheses, and thermophysical data.Contents1 Types of chemical databases1.1 Chemical structures 1.2 Literature database 1.3 Crystallographic database 1.4 NMR spectra database 1.5 Reactions database 1.6 Thermophysical database2 Chemical structure
Chemical structure
representation 3 Search3.1 Substructure 3.2 Conformation4 Descriptors 5 Similarity 6 Registration systems 7 Tools 8 See also 9 ReferencesTypes of chemical databases[edit] Chemical structures[edit] Chemical structures are traditionally represented using lines indicating chemical bonds between atoms and drawn on paper (2D structural formulae). While these are ideal visual representations for the chemist, they are unsuitable for computational use and especially for search and storage
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Dictionary Of Chemical Formulas
This is a list of common chemical compounds with chemical formulas and CAS numbers, indexed by formula. This complements alternative listing at inorganic compounds by element
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European Community Number
The European Community number
European Community number
(EC Number) is a unique seven-digit identifier that was assigned to substances for regulatory purposes within the European Union
European Union
by the European Commission. The EC Inventory comprises three individual inventories, EINECS, ELINCS and the NLP list.[1]European Inventory of Existing Commercial Chemical Substances (EINECS)Contents1 Structure 2 EC Inventory 3 List numbers 4 See also 5 References 6 External linksStructure[edit] The EC Number may be written in a general form as: NNN-NNN-R,[2] where R is a check digit and N represents integers. The check digit is calculated using the ISBN method
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Enzyme Commission Number
The Enzyme
Enzyme
Commission number (EC number) is a numerical classification scheme for enzymes, based on the chemical reactions they catalyze.[1] As a system of enzyme nomenclature, every EC number is associated with a recommended name for the respective enzyme. Strictly speaking, EC numbers do not specify enzymes, but enzyme-catalyzed reactions
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International Union Of Pure And Applied Chemistry
The International
International
Union of Pure and Applied Chemistry
Chemistry
(IUPAC) /ˈaɪjuːpæk/ or /ˈjuːpæk/ is an international federation of National Adhering Organizations that represents chemists in individual countries. It is a member of the International
International
Council for Science (ICSU).[2] IUPAC is registered in Zürich, Switzerland, and the administrative office, known as the "IUPAC Secretariat", is in Research Triangle Park, North Carolina, United States. This administrative office is headed by IUPAC's executive director,[3] currently Lynn Soby.[4] IUPAC was established in 1919 as the successor of the International Congress of Applied Chemistry
Chemistry
for the advancement of chemistry. Its members, the National Adhering Organizations, can be national chemistry societies, national academies of sciences, or other bodies representing chemists
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Chemical Abstracts Service
Chemical Abstracts Service
Chemical Abstracts Service
(CAS) is a division of the American Chemical Society. It is a source of chemical information. CAS is located in Columbus, Ohio, United States.Contents1 Print periodicals 2 Databases2.1 CAplus 2.2 Registry3 Products3.1 STN 3.2 SciFinder 3.3 CASSI4 History 5 See also 6 References 7 External linksPrint periodicals[edit]Chemical Abstracts   ISO 4 abbreviationChem
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PubChem
PubChem is a database of chemical molecules and their activities against biological assays. The system is maintained by the National Center for Biotechnology Information (NCBI), a component of the National Library of Medicine, which is part of the United States National Institutes of Health
National Institutes of Health
(NIH). PubChem can be accessed for free through a web user interface. Millions of compound structures and descriptive datasets can be freely downloaded via FTP. PubChem contains substance descriptions and small molecules with fewer than 1000 atoms and 1000 bonds. More than 80 database vendors contribute to the growing PubChem database.[1]Contents1 Databases 2 Searching 3 History 4 ACS's concerns 5 Database
Database
fields 6 See also 7 References 8 External linksDatabases[edit] PubChem consists of three dynamically growing primary databases
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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
IEEE
and others. In general, registration authorities all perform a similar function, in promoting the use of a particular standard through facilitating its use. This may be by applying the standard, where appropriate, or by verifying that a particular application satisfies the standard's tenants. Maintenance agencies, in contrast, may change an element in a standard based on set rules – such as the creation or change of a currency code when a currency is created or revalued (i.e. TRL to TRY for Turkish lira)
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