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Search. Search. Appearance. Donate ... indexed by formula.The CAS number is a unique number applied to a specific chemical ... CAS number H 2 O: water: 7732–18–5 ...
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.
Chemical Abstracts Service Building B in August 2009. Columbus, Ohio. STN (Scientific & Technical Information Network) International is operated jointly [4] by CAS and FIZ Karlsruhe, and is intended primarily for information professionals, using a command language interface.
NaHMDS is used as a strong base in organic synthesis.Typical reactions: To deprotonate ketones and esters to generate enolate derivatives. [3]Generate carbenes by dehydrohalogenation of halocarbons.
Dimethyl acetylenedicarboxylate (DMAD) is an organic compound with the formula CH 3 O 2 CC 2 CO 2 CH 3.It is a di-ester in which the ester groups are conjugated with a C-C triple bond.
N-Nitrosodiethylamine (NDEA) is an organic compound with the formula Et 2 NNO (Et = C 2 H 5). A member of the nitrosamines, it is a light-sensitive, volatile, clear yellow oil that is soluble in water, lipids, and other organic solvents. It has an amine or aromatic odor. It is used as gasoline and lubricant additive, antioxidant, and stabilizer ...
2-Methyl-2,4-pentanediol (MPD) is an organic compound with the formula (CH 3) 2 C(OH)CH 2 CH(OH)CH 3.This colourless liquid is a chiral diol.It is produced industrially from diacetone alcohol by hydrogenation. [4]
Fluorescein isothiocyanate (FITC) is a derivative of fluorescein used in wide-ranging applications [1] [2] including flow cytometry.First described in 1942, [3] FITC is the original fluorescein molecule functionalized with an isothiocyanate reactive group (−N=C=S), replacing a hydrogen atom on the bottom ring of the structure.