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-(3-Fluorophenyl)thiazol-5-amine 1251055-15-8
5-amino-1-(3-chloro-2-methylphenyl)-1H-pyrazole-4-carbonitrile 1207832-99-2
5H-[1,3]dioxolo[4,5-f]indole-7-carbonitrile 876743-17-8
Methyl 4-methoxymethylidene-cyclohexane carboxylate 891828-63-0
(3S,5S)-3,5-dimethylcyclopentene 61394-27-2
1-ethyl-2-(hydrazinylmethyl)-1H-imidazole 1269483-38-6
2-[2-(4-bromophenyl)-2-oxoethyl]-6-(naphthalen-1-yl)pyridazin-3(2H)-one 1224159-29-8
1-[3-(4-methyl-1H-indol-1-yl)propanoyl]piperidine-4-carboxamide 1224160-75-1
N,N-Bis(carboxymethyl)glycine 1-methyl ester 38841-92-8
N-(3-methoxyphenyl)-2-[1-(1H-tetrazol-1-ylmethyl)cyclohexyl]acetamide 1224164-84-4
2-(3-(4-fluoro-2-methoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(furan-2-ylmethyl)acetamide 1232792-32-3
N-(3,4-dimethoxybenzyl)-2-[3-(4-fluorophenyl)-6-oxo-1(6H)-pyridazinyl]acetamide 1232797-66-8
6-(4-fluoro-2-methoxyphenyl)-2-[2-oxo-2-(4-phenylpiperazino)ethyl]-3(2H)-pyridazinone 1232796-78-9
1-(5-Fluoropyridin-3-yl)cyclopentan-1-amine 944142-76-1
N-(1-methyl-1H-indol-4-yl)-4-(4-oxoquinazolin-3(4H)-yl)butanamide 1282095-13-9
N-[(6-oxo-3-phenylpyridazin-1(6H)-yl)acetyl]glycine 1246051-15-9
2-(benzylamino)-N-[(2E)-5-(propan-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]-1,3-thiazole-4-carboxamide 1232816-36-2
[2-[6-(3-Chlorophenyl)pyridin-3-yl]pyrrolidin-1-yl]-(5-methyl-1,2-oxazol-3-yl)methanone 1332336-34-1
2-imidazol-1-yl-4-(5-pyridin-2-yl-1H-pyrazol-4-yl)pyridine 1333492-53-7
6-(3-methoxyphenyl)-2-(2-oxo-2-phenylethyl)pyridazin-3(2H)-one 1224165-65-4
3-Amino-3-(oxolan-2-yl)propan-1-ol 790227-32-6
N-(3,4-dimethoxybenzyl)-6-((3,4-dimethylphenyl)sulfonyl)nicotinamide 1286704-31-1
N-(3,4-dichlorophenyl)-4,5-dimethyl-2-(1H-tetrazol-1-yl)thiophene-3-carboxamide 1232790-78-1
N-[2-(methoxymethyl)-1H-benzimidazol-5-yl]-2-(4-methoxyphenyl)acetamide 1232790-49-6
N-(3-chloro-4-fluorobenzyl)-2-(3-morpholino-4-(o-tolyl)-1H-pyrazol-1-yl)acetamide 1286696-55-6
2-([1,2,4]triazolo[4,3-b]pyridazin-6-ylsulfanyl)-N-[3-(trifluoromethyl)phenyl]acetamide 1232787-10-8
3-[[4-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-thiazolyl]amino]benzoic acid 1056050-79-3
Thiazolo[4,5-c]pyridine,4-(1-piperazinyl)- 214045-75-7
methyl 2-(2-(3-(dimethylamino)-4-phenyl-1H-pyrazol-1-yl)acetamido)benzoate 1286699-81-7
2-(3-(dimethylamino)-4-(4-methoxyphenyl)-1H-pyrazol-1-yl)-N-(4-(trifluoromethyl)benzyl)acetamide 1286725-37-8
N-(2,4-dimethoxyphenyl)-2-{4-methyl-3,5-dioxo-2H,3H,4H,5H,6H-pyridazino[4,5-b][1,4]thiazin-6-yl}acetamide 1286706-27-1
N-benzyl-3-[9-(4-fluorophenyl)pyrazolo[1,5-a][1,2,4]triazolo[3,4-c]pyrazin-3-yl]propanamide 1358895-13-2
1,3-Dimethyl-1H-pyrazolo[4,3-b]pyridine 1781625-47-5
(5-Nitrobenzo[d]oxazol-2-yl)methanol 948306-35-2
1H-1,2,4-Triazole-3-ethanamine, 5-(3-aminophenyl)-N-(4-bromophenyl)- 1329835-23-5
2-[2-Aminoethoxy(hydroxy)phosphoryl]oxyacetic acid 162224-06-8
2-Tert-butyl-1-methoxy-4-nitrobenzene 15353-20-5
7-methoxy-N-methyl-1-benzofuran-2-carboxamide 1311000-80-2
Methyl 3-(4-hydroxyphenyl)-3-(1h-pyrrol-1-yl)propanoate 865233-87-0
5-amino-1-(2-chloro-4-fluorophenyl)-1H-pyrazole-4-carbonitrile 1159678-22-4
3-(4-Hydroxy-phenyl)-hex-4-ynoic acid ethyl ester 865233-41-6
(1S,3R)-N-[4-(1,3-benzoxazol-2-yl)phenyl]-N-methyl-3-propanamidocyclopentane-1-carboxamide 1338468-86-2
tert-Butyl 4-(pyrazine-2-carboxamido)piperidine-1-carboxylate 1317244-80-6
Methyl 3-(methylamino)-2-(trifluoromethyl)isonicotinate 1034132-08-5
Butanamide, N-[3-amino-1-(fluoromethyl)propyl]- 1379317-17-5
Diethyl 2-(cyclopropylmethylene)malonate 39000-53-8
2-(3-Hydroxy-3-methyl-butoxy)-isoindole-1,3-dione 1009334-93-3
2-Amino-4-methylhexan-1-ol 1315059-53-0
8-Cyano-4-hydroxyquinoline-3-carbohydrazide 1329610-13-0
Ethyl 5-methyl-1-[3-(trifluoromethyl)phenyl]pyrazole-4-carboxylate 187998-58-9

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