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
(5-Bromo-1-methyl-1H-pyrazol-3-YL)methanamine 1546331-24-1
1-[[(1,1-Dimethylethyl)diphenylsilyl]oxy]-3-ethenylbenzene 669058-39-3
7-Benzyl-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-2-amine 1783995-28-7
Methyl 2-[(4-methoxyphenyl)amino]-1,3-thiazole-5-carboxylate 1501834-79-2
2-(1-methyl-1H-1,2,3-triazol-4-yl)propan-1-amine 1499832-03-9
tert-Butyl 3-aminooctahydro-1H-indole-1-carboxylate 1782247-66-8
N-(prop-2-yn-1-yl)-4H-1,2,4-triazole-3-carboxamide 1514045-89-6
1-[1-(Cyclopropylmethyl)-4-piperidinyl]-2,3-dihydro-1h-indole 616898-69-2
Methyl 2-methylcyclopropane-1-carboximidate hydrochloride 185146-24-1
1,1-Dibromo-2,2-bis(chloromethyl)-3-methylcyclopropane 185320-50-7
2-Ethyl-6-methyl-3-oxo-2,3-dihydropyridazine-4-carboxylic acid 1479247-40-9
{6-Fluoroimidazo[1,2-a]pyridin-3-yl}methanol 1520373-01-6
1-(3,4-Dichlorophenyl)-3-(8-(methylsulfonyl)-8-azabicyclo[3.2.1]octan-3-yl)urea 2034304-97-5
((6-Chloropyridin-3-yl)methyl)zinc pivalate 1383708-40-4
3-Amino-2-[4-(dimethylamino)phenyl]propan-1-ol 1513227-34-3
2-(4-Methylthiophen-3-yl)-6-oxo-1,6-dihydropyrimidine-5-carboxylic acid 1511671-92-3
(1S)-1-(3-methylpyridin-4-yl)ethan-1-ol 1568195-54-9
O-{[1-(2-chlorophenyl)cyclopropyl]methyl}hydroxylamine 1540224-00-7
1-(2-((tetrahydro-2H-pyran-4-yl)thio)ethyl)-3-(thiophen-2-ylmethyl)urea 2034355-72-9
2-Bromo-4-ethynylpyrimidine 1379174-91-0
4-(2,5-Dioxo-1-pyrrolidinyl)-N-(5-methyl-3-isoxazolyl)benzenesulfonamide 133071-59-7
2-(4-Chloro-3-fluorophenyl)-2-methylpropanal 1506771-10-3
N-(tert-butyl)-4-isopropyl-3-oxo-2,3,4,5-tetrahydro-1,4-benzoxazepine-5-carboxamide 1290628-35-1
5-Isopropyl-5,6-dihydro-4H-thieno[2,3-c]pyrrole-2-carboxylic acid 1400635-79-1
4-Ethyl-2-methyl-1,4-diazepan-5-one 1515077-88-9
1-[2-(1H-pyrazol-1-yl)phenyl]cyclopropane-1-carboxylic acid 1506177-55-4
4-Amino-6-(oxolan-2-ylmethyl)-1,3,5-triazine-2-thiol 1556478-15-9
6-Chloro-2-ethyl-3-nitropyridine 1934591-51-1
2-(3-Methanesulfonylphenyl)propanoic acid 1508123-31-6
1-[2-(1H-pyrazol-1-yl)phenyl]piperazine 1501767-50-5
Tert-butyl 3-(3-aminopropyl)pyrrolidine-1-carboxylate 1000522-26-8
Tert-butyl3-(1-aminobutan-2-yl)azetidine-1-carboxylate 1517782-89-6
3-Amino-2-cyclopropyl-2-methylpropan-1-ol 1546095-72-0
(5-Ethoxy-1,3-oxazol-2-yl)methanamine 1783523-55-6
1,6-Dihydropyrrolo[2,3-b]pyrrole-2-carboxylic acid 1783528-37-9
2,7-dimethyl-3-piperidin-4-yl-1H-indole 1413530-09-2
1-(1-methyl-1H-indol-6-yl)cyclohexan-1-amine 1539615-06-9
[1-(1-methyl-1H-indol-6-yl)cyclopentyl]methanamine 1521898-97-4
3-(3-Bromo-4-fluorophenyl)butanoic acid 1536945-00-2
4-(3-Bromobenzoyl)pyridine 1370656-85-1
5-(3-Amino-2-hydroxypropyl)-2-fluorobenzonitrile 1536201-31-6
4,7-Dimethyl-1,3-benzoxazol-2-amine 1267216-36-3
Methyl 2-(3-(3-chlorophenyl)-1H-1,2,4-triazol-1-yl)acetate 1416340-62-9
(5-Cyclopropyl-1H-1,2,4-triazol-3-yl)(p-tolyl)methanamine 1707373-53-2
3-Cyclobutyl-2-oxopropanoic acid 1470364-76-1
(5-(tert-Butyl)-1H-1,2,4-triazol-3-yl)(p-tolyl)methanamine 1708024-82-1
2,2-Difluoro-3-(1H-1,2,4-triazol-1-yl)propan-1-amine 1781670-81-2
[4-Amino-3-(trifluoromethyl)butan-2-yl]benzene 1368252-39-4
7-((tert-Butyldimethylsilyl)oxy)heptan-2-one 253309-53-4
4-Pyridinecarboxamide, 2,3,6-trichloro- 70593-54-3

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