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
1-(3,4-Dihydropyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4-yl)piperidine-4-carboxylic acid 1313845-21-4
3-Isopentyl-6-methyl-2-(methylthio)-3H-pyrrolo[3,2-d]pyrimidin-4(5H)-one 1312132-22-1
Tert-butyl 4-(3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)piperazine-1-carboxylate 1313823-83-4
2-(4-Nitrophenyl)-1,3-thiazol-4-amine 1326824-72-9
(2Z)-2-[(4-chlorophenyl)imino]-N-(4-methoxyphenyl)-2H-chromene-3-carboxamide 1327178-65-3
(2Z)-N-(4-methoxyphenyl)-2-[(3-methylphenyl)imino]-2H-chromene-3-carboxamide 400880-77-5
(2Z)-N-(4-methoxyphenyl)-2-[(4-methylphenyl)imino]-2H-chromene-3-carboxamide 1327172-51-9
(2Z)-2-[(4-chlorophenyl)imino]-N-(2-methylphenyl)-2H-chromene-3-carboxamide 1327178-54-0
3-methyl-N-(3-methylbenzyl)-1H-1,2,4-triazol-5-amine 1179493-36-7
[4-(2-Cyclohexylethoxy)phenyl]methanamine 864263-17-2
2,2',6,6'-Tetranitrobiphenyl-4,4'-dicarbaldehyde 1279210-90-0
ethyl 1-(4-chlorophenyl)-5-hydroxy-1H-pyrazole-4-carboxylate 1326923-49-2
2-(Piperidin-1-yl)-4-(pyridin-3-yl)pyrimidine 682795-96-6
3-(4-Iodophenyl)-2-thioxopropanoic acid 2090174-23-3
(S)-prasugrel 1437766-67-0
DT6P9Y45WD 63199-66-6
ethyl 5-oxo-1-sulfanylidene-5a,6,7,8,9,9a-hexahydro-4H-[1,3]thiazolo[3,4-a]quinazoline-3-carboxylate 439121-78-5
Methyl 2-(4-(2-amino-2-oxoethyl)piperidin-1-yl)acetate 1250321-10-8
3-Methyl-N-((6-methylpyridin-3-yl)methyl)but-2-enamide 1311827-09-4
4-(2-Methylpropyl)-2-pyrimidinamine 98427-09-9
5-bromo-N-(1-ethyl-1H-pyrazol-4-yl)furan-2-carboxamide 1249662-12-1
Benzoic acid, 4-amino-2-ethoxy-, ethyl ester 910572-97-3
N,N-dimethyl-2-(4-prop-2-ynyl-1,4-diazepan-1-yl)acetamide 1311477-89-0
Ethyl 3-[1-[[(1,1-dimethylethoxy)carbonyl]amino]cyclobutyl]-2-propenoate 163554-56-1
(Z)-3-(1-benzyl-3-phenyl-pyrazol-4-yl)-2-cyano-N-(2,3-dihydro-1,4-benzodioxin-6-yl)prop-2-enamide 955891-42-6
N-(1-cyano-1,2-dimethyl-propyl)-2-(4-isopropylpiperazin-1-yl)acetamide 1311939-86-2
2-(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)-N-(2-methoxyethyl)acetamide 1311821-89-2
N-cyclohexyl-2-acetamido-N,3-dimethylbutanamide 1311429-52-3
1H-Imidazole-1-ethanol, alpha-(3-bromophenyl)- 912962-95-9
N-(2-cyanopropyl)-2-cyclopentyl-N-ethylacetamide 1247425-03-1
4-(Benzyloxy)-1-(prop-2-yn-1-yl)piperidine 1311745-67-1
[1]Benzothieno[3,2-b][1]benzothiophene-2,7-dicarboxylic acid 280744-15-2
N-({[4-({[tert-butyl(dimethyl)silyl]oxy}methyl)pyridin-2-yl]amino}carbonothioyl)benzamide 872707-10-3
4-(chloromethyl)-N-(4-methyl-1,3-thiazol-2-yl)pyridin-2-amine 872707-09-0
N-[4-(chloromethyl)pyridin-2-yl]-N-(methylsulfonyl)methanesulfonamide 872707-05-6
N-[4-(chloromethyl)pyridin-2-yl]-2-methoxy-2-methylpropanamide 872707-03-4
N-(1-cyanocyclobutyl)-4-methoxy-N-methyl-1-phenyl-1H-pyrazole-3-carboxamide 1281063-73-7
N3-(1-cyanocyclobutyl)-N3-methyl-N1-(propan-2-yl)piperidine-1,3-dicarboxamide 1281133-09-2
2,6-Dimethylindoline 872276-92-1
1-(3,4-Difluoro-2-methoxyphenyl)ethan-1-amine 1270440-90-8
N-4-Isothiazolylformamide 64527-30-6
3-Hydroxy-5-methylpyrrolidin-2-one 67706-85-8
2-(2,6-Difluorophenyl)imidazole 1314931-63-9
2,5-Difluoro-4-methoxybenzeneethanamine 910444-92-7
(r)-2-Cyclohexylpyrrolidine 1232403-88-1
6-Isopropylpiperidin-2-one 857386-39-1
(5-(furan-2-yl)isoxazol-3-yl)(4-((2-isopropyl-1H-imidazol-1-yl)methyl)piperidin-1-yl)methanone 1286711-77-0
(2-Methylpyrido[3,4-b]pyrazin-5-yl)hydrazine 877402-60-3
N-(2-hydroxy-2-(thiophen-3-yl)ethyl)pivalamide 1257550-31-4
(2,4-Dimethylheptan-3-yl)hydrazine 1314959-24-4

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