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It may be prepared via the Schiemann reaction, in which a 4-aminobenzoic acid, protected as the ethyl ester, is diazotised and then fluoride introduced using tetrafluoroborate. Hydrolysis of the ester converts it back to the free acid. [2] 4-Fluorobenzoic acid has been observed to form by the aerobic biotransformation of 4-fluorocinnamic acid. [3]
The International Chemical Identifier (InChI, pronounced / ˈ ɪ n tʃ iː / IN-chee) [3] 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.
Chemical formula Synonyms 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
This list of pharmaceutical compound number prefixes provides codes used by individual pharmaceutical companies when naming their pharmaceutical drug candidates. . Pharmaceutical companies generally produce large numbers of compounds in the research phase for which it is impractical to use often long and cumbersome systematic chemical names, and for which the effort to generate nonproprietary ...
The main purpose of chemical nomenclature is to disambiguate the spoken or written names of chemical compounds: each name should refer to one compound. Secondarily, each compound should have only one name, although in some cases some alternative names are accepted. Preferably, the name should also represent the structure or chemistry of a compound.
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.
Download QR code; Print/export ... 375-22-4 3D model ... PFBA is a breakdown product of other PFAS that have been used in stain-resistant fabrics, ...
C 21 H 22 N 2 O 4: Picralinal: C 21 H 22 O 4: Taxamairin A: 110300-76-0 C 21 H 23 FN 2 O 4: Z-FA-FMK: C 21 H 24 FN 6 O 6 P Rovafovir etalafenamide: C 21 H 25 NO 4: Yuanhunine: 104387-15-7 C 21 H 26 O 4: Canniprene: C 21 H 27 N 5: D75-4590: C 21 H 30 O 2: progesterone: 57-83-0 C 21 H 30 O 2: tetrahydrocannabinol: 1972-08-3 C 21 H 36 N 7 O 16 P 3 ...