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
3-(1-ethyl-1H-pyrazol-4-yl)-1-methyl-1H-pyrazole-4-carboxylic acid 1249995-53-6
2-Methyl-4-(propan-2-yloxy)butan-2-amine 1250195-51-7
2-(3-(Methoxymethyl)phenyl)azetidine 1481019-79-7
6',7',8',9'-Tetrahydrospiro[azetidine-2,5'-benzo[7]annulene] 1483577-08-7
4-methoxy-2,6-dimethyl-N-[(piperidin-3-yl)methyl]benzene-1-sulfonamide 1292040-07-3
2-(8-chloro-6H-benzo[c]chromen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1378384-23-6
1-(3-Aminopyrrolidin-1-yl)-2-(3-methylphenyl)ethan-1-one 1249795-72-9
1-(4-Fluorophenyl)hex-5-yn-2-ol 29229-62-7
3-Isopropyl-4-(2-(trifluoromethoxy)ethoxy)benzenesulfonyl chloride 1491771-32-4
3,5-Dimethyl-4-nitrobenzamide 19023-45-1
4-Bromo-5-isopropyl-1-phenyl-1H-pyrazole-3-carboxylic acid 1456421-96-7
4,6-Dimethyl-1-(pyridin-3-ylmethyl)-2,3-dihydroindol-5-amine 1114453-57-4
2-(4-(Trifluoromethyl)phenyl)azetidine 1270540-24-3
4,6-Dimethyl-1-(naphthalen-2-ylmethyl)-5-nitro-2,3-dihydroindole 1114453-41-6
2(3H)-Benzoxazolone, 6-(1-hydroxypentyl)- 1251344-73-6
2-(2-Ethylphenyl)thiazole-5-carbaldehyde 1249208-72-7
(5-Bromofuran-2-yl)-piperazin-1-ylmethanone;hydrochloride 446290-81-9
2-Hydroxy-4-[(4-nitrophenyl)oxy]benzonitrile 1311138-73-4
7-(Propan-2-yl)-1-azaspiro[3.5]nonane 1482783-54-9
2-(Oxan-3-yl)azetidine 1465712-97-3
1-amino-N-(6-{[4-methyl-3-(methyloxy)phenyl]oxy}-3-pyridinyl)cyclopropanecarboxamide 1311138-61-0
3-(Benzyloxy)-5-fluoro-4-methylbenzoic acid 1215030-99-1
4,4,4-Trifluoro-3-(thiophen-2-yl)butanoic acid 1341631-21-7
Ethyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)-7-(4-(trifluoromethyl)phenyl)-2-naphthoate 1160270-14-3
1-[(5-methyl-1,2,4-oxadiazol-3-yl)methyl]-1H-1,2,3-triazole-4-carboxylic acid 1247778-45-5
5-ethyl-1-(2-hydroxypropyl)-1H-1,2,3-triazole-4-carboxylic acid 1250508-19-0
(1-methyl-1H-pyrazol-5-yl)methanesulfonamide 1249489-23-3
1-(4-Methanesulfonylphenyl)ethane-1-sulfonamide 1249190-70-2
1-Methyl-4-(methyloxy)-2-[(4-nitrophenyl)oxy]benzene 1311137-80-0
4-(aminomethyl)-N-(2-hydroxyphenyl)benzamide 1501127-99-6
4-[[(2,2-Dimethylpropyl)methylamino]methyl]tetrahydro-2H-pyran-4-methanol 1248946-65-7
N-(3-amino-5-tert-butyl-2-isopropoxy-phenyl)-methanesulphonamide 1215031-73-4
4-{[2-Methyl-5-(methyloxy)phenyl]oxy}aniline 1311137-81-1
1,2,3,4-Tetrahydro-1-(hydroxymethyl)-6,7-isoquinolinediol 91819-03-3
Tert-butyl 4-(2-((3,4-dichlorophenyl)(ethyl)amino)-2-oxoethyl)piperidine-1-carboxylate 1208480-45-8
N-methyl-2-nitro-N-[2-(piperazin-1-yl)ethyl]benzene-1-sulfonamide 1208130-37-3
[2-(Methyloxy)-8-quinolinyl]boronic acid 944407-86-7
tert-Butyl 4-cyano-1H-indazole-1-carboxylate 1312008-77-7
1-(4-Methoxyphenyl)-2-[(1-phenylpropan-2-yl)amino]ethan-1-ol 1409070-36-5
2-Chloro-N-(1-methyl-2-phenylethyl)propanamide 13156-96-2
1-(cyclopropylmethyl)-1H-1,2,3-triazole-4-carboxylic acid 1341761-69-0
1-[(thiophen-3-yl)methyl]-1H-1,2,3-triazole-4-carboxylic acid 1456462-38-6
6-(3-Chloro-4-fluorophenyl)-4-pyrimidinecarboxylic acid 1207724-99-9
1-cyclopentyl-5-ethyl-1H-1,2,3-triazole-4-carboxylic acid 1247854-75-6
1-Benzyl-4-(3-chlorophenyl)pyrrolidin-3-amine 1823455-22-6
4-(3-Chlorophenyl)-3-methylbutan-2-ol 1226385-44-9
2-Isopropyl-6-methoxypyridin-3-ylboronic acid 848947-84-2
1-(Cyclopropylmethoxy)-3-fluoro-2-nitrobenzene 1249924-06-8
6-Thia-1-azaspiro[3.5]nonane 1526814-54-9
2-Quinolin-3-yl-1,3-benzoxazol-5-amine 945531-55-5

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