CAS Number Index

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 inorganiccompounds, minerals, isotopes, alloys and nonstructurable materials (UVCBs, of unknown, variable composition, or biological origin).The registry maintained by CAS is an authoritative collection of disclosed chemical substance information. It currently identifies more than 144 million unique organic and inorganic substances and 67 million protein and DNA sequences,plus additional information about each substance. It is updated with around 15,000 additional new substances daily.(information coming from wikipedia.org)

Name CAS Number
4,6-Dichloro-2-(pyridin-2-yl)pyrimidine 10235-65-1
tert-butyl 1-oxa-4,9-diazaspiro[5.5]undecane-4-carboxylate 1023595-11-0
N-(2,4-Dimethoxybenzyl)-N-methylamine 102503-23-1
1-(3-Aminopropyl)pyridin-2(1H)-one 102675-58-1
DIETHYL2-(TERT-BUTOXYCARBONYLAMINO)MALONATE 102831-44-7
(o-Nitrophenyl)cyclopropane 10292-65-6
Ethyl 3-(pyridin-2-ylamino)propanoate 103041-38-9
Methyl 2-bromo-5-cyanobenzoate 1031927-03-3
(3S,4R)-1-tert-Butyl-4-(2,4-difluorophenyl)pyrrolidine-3-carboxylic acid 455957-94-5
1-(Diphenylmethyl)-3-fluoroazetidine 617718-45-3
1-Phenyl-1,4-diazepane 61903-27-3
2-Chloro-1,4-dinitrobenzene 619-16-9
4-METHOXY-1-METHYL-1H-INDOLE-3-CARBALDEHYDE 620175-74-8
Ethyl 2-benzylidene-3-oxobutanoate 620-80-4
3-methyl-5,6,7,8-tetrahydro-1,6-naphthyridine 624734-27-6
2,4,8-Trichloroquinazoline 62484-29-1
3-Amino-3-methylbutanoic acid 625-05-8
4A,5,8,8a-Tetrahydro-[1,4]naphthoquinone 6271-40-5
2,6-Dichloro-4-methyl-3-pyridinecarboxylic Acid 62774-90-7
1,3-Dichloro-2-iodo-5-nitrobenzene 62778-19-2
4-Amino-2-thiophenecarboxylic acid hydrochloride 89499-33-2
4-Amino-5-bromo-2-thiophenecarboxylic acid 89499-42-3
TERT-BUTYL4-FORMYL-1H-IMIDAZOLE-1-CARBOXYLATE 89525-40-6
2-CHLORO-6-METHYL-PYRIMIDINE-4-CARBOXYLIC ACID 89581-58-8
2-CHLORO-5-(3-(TRIFLUOROMETHYL)BENZAMIDO)BENZOIC ACID 896160-35-3
3,4-Dimethylthiophene-2-carboxylic acid 89639-74-7
(4-Chloro-3-methoxyphenyl)boronic acid 89694-47-3
Ethyl 6-(pyrrolidin-1-yl)nicotinate 897399-74-5
Amino(5-methyl-2-thienyl)acetic acid 89776-66-9
2-(4-(3,4-Dichlorophenyl)thiazol-2-yl)acetic acid 898390-41-5
2-(4-Fluorophenyl)-5-[(5-iodo-2-Methylphenyl)methyl]thiophene 898566-17-1
2-quinoxalinol, 7-nitro- 89898-96-4
7-HYDROXY-5-METHYLPYRAZOLO[1,5-A]PYRIMIDINE-3-CARBONITRILE 89939-60-6
5-Bromo-2-(difluoromethoxy)-pyridine 899452-26-7
SALOR-INTL480983-1EA 89978-93-8
tert-Butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-8-azabicyclo[3.2.1]oct-3-ene-8-carboxylate 900503-08-4
POTASSIUMTRIFLUORO(4-METHOXYBENZYL)BORATE 900810-91-5
4-CHLORO-5-FLUORO-2,3-DIHYDRO-1H-INDOLE 903551-32-6
Benzofuran-7-carboxylic acid 90484-22-3
6-Chloroisoindolin-5-amine 905273-33-8
5,7-Dihydro-2-(trifluoromethyl)-6H-pyrrolo[3,4-d]pyrimidine-6-carboxylic acid 1,1-dimethylethyl ester 905274-03-5
4'-TERT-BUTYL-2,6-DIMETHYLBIPHENYL-4-OL 906101-33-5
3-BROMO-4-ISOPROPYLPYRIDINE 90731-96-7
3-(1H-IMIDAZOLE-2-YL)PIPERIDINE 90747-55-0
Oxazol-2-ylmethanamine xhydrochloride 907544-38-1
5-Methoxyisoquinoline 90806-58-9
(S)-(5,6,7,8-Tetrahydroindolizin-8-yl)methanamine 908103-37-7
1-Amino-2-pyrrolidinone hydrochloride (1:1) 20386-22-5
1-BENZYL-4-METHANESULFONYL-PIPERAZINE 118546-61-5
1-Chloro-2-iodo-4-nitrobenzene 74534-15-9