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Screenshot of the CAS Common Chemistry database with information about caffeine ().. A CAS Registry Number [1] (also referred to as CAS RN [2] or informally CAS Number) is a unique identification number, assigned by the Chemical Abstracts Service (CAS) in the US to every chemical substance described in the open scientific literature, in order to index the substance in the CAS Registry.
According to CAS, his visionary view of CAS' potential "led to expansion, modernization, and the forging of international alliances with other information organizations." [15] CAS was an early leader in the use of computer technology to organize and disseminate information. [16] The CAS Chemical Registry System was introduced in 1965.
CAS number C 10 H 16 N 2 O 8: Ethylenediaminetetraacetic acid (EDTA) 6381–92–6 C 12 H 22 O 11: sucrose: 57–50–1 C 18 H 29 O 3 S: sodium dodecyl benzenesulfonate: 2155–30–0 C 20 H 25 N 30: Lysergic acid diethylamide (LSD) 50–37–3 C 123 H 193 N 35 O 37: Common serum albumin (macromolecule) 9048–49–1 Ca(AlH 4) 2: calcium ...
The CAS No. (that is, "CAS Registry Number" [1]) in a Chembox will receive a green tick (check mark) once {} is added. This does not happen yet in the Drugbox (there is no change at present), but we hope to enable a similar system there too, if WP:PHARM is in agreement.
The relationship between a CAS Registry Number and an INCI name is not always one-to-one. In some cases, more than one INCI name may have the same CAS number, or more than one CAS number may apply to an INCI name. For example, the CAS number 1245638-61-2 has the CA Index Name of 2-Propenoic acid, reaction products with pentaerythritol.
Singapore: SG1CF3000008: 28 June 1999 A-Sonic Aerospace Limited: Singapore: SG1CH8000009: 17 September 2003 ABF Singapore Bond Index Fund: Singapore: SG1S08926457: 31 August 2005 ABR Holdings Limited: Singapore: SG0533000253: 7 November 2008 Abterra Ltd: Singapore: SG2C12961455: 15 June 2000 Accordia Golf Trust: Singapore: SG1AB5000009: 1 ...
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ACRA is the regulator of business registration, financial reporting, public accountants and corporate service providers. ACRA is also responsible for developing the accountancy sector and setting the accounting standards for companies, charities co-operative societies, and societies in Singapore.