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-Chloro-6-(propan-2-yloxy)pyridine-2-carbonitrile 1221724-71-5
4-[2-(2-Chlorophenoxy)acetamido]butanoic acid 1098393-19-1
N-methyl-1-(pyridin-4-ylmethyl)piperidin-4-amine 919280-64-1
2-(Methoxymethyl)-4-(piperidin-3-yl)pyrimidine 914299-49-3
1-[(3-bromophenyl)methyl]-1H-1,2,4-triazol-3-amine 1183190-06-8
5-(1-hydroxyethyl)-2,3-dihydro-1H-indol-2-one 1235440-22-8
1-(2,2-Difluoroethyl)piperidin-4-one 1178833-49-2
(6-Methoxyquinolin-2-YL)methanamine 157170-67-7
(R)-N-(1-(3-(4-ethoxyphenyl)-4-oxo-3,4-dihydroquinazolin-2-yl)ethyl)-N-(pyridin-3-ylmethyl)-2-(4-(3,3,3-trifluoropropyl)piperazin-1-yl)acetamide 1191255-31-8
5-Hydroxy-1-(2-hydroxyphenyl)-7-phenyl-3-heptanone 1228784-42-6
4-(2-(4-Bromophenoxy)acetamido)butanoic acid 1098393-24-8
2-[1-(3-fluorophenyl)-1H-pyrazol-3-yl]ethan-1-amine 1240527-51-8
tert-butyl N-(cyanomethyl)-N-ethylcarbamate 1240529-22-9
4-[2-(2,4-Dimethylphenoxy)acetamido]butanoic acid 1098393-72-6
2-{8-Methylimidazo[1,2-a]pyridin-2-yl}ethanethioamide 1216060-31-9
4-(3-(Thiophen-2-yl)propanamido)butanoic acid 1098364-53-4
4-(4-(Methylthio)benzamido)butanoic acid 1098364-72-7
N-(4-methoxyphenyl)-2-(1-oxo-7,8,9,10-tetrahydro-[1,2,4]triazino[4,5-b]indazol-2(1H)-yl)acetamide 1032006-22-6
3-Azetidinecarboxamide, N,1-dimethyl- 1263285-66-0
N-(3-chloro-4-methylphenyl)-2-(1-oxo-7,8,9,10-tetrahydro-[1,2,4]triazino[4,5-b]indazol-2(1H)-yl)acetamide 1032006-31-7
2-[3-Chloro-5-methoxy-4-(2,2,2-trifluoroethoxy)phenyl]ethan-1-amine 1178190-26-5
1-{1-[3-(1H-pyrazol-1-yl)propyl]-3-piperidinyl}-4-[3-(trifluoromethyl)phenyl]piperazine 1185384-92-2
(1R,6R,7R)-7-(Trifluoromethyl)-2-azabicyclo[4.1.0]heptane 1221820-83-2
(1R,6R,7S)-7-(Trifluoromethyl)-2-azabicyclo[4.1.0]heptane 1221820-82-1
1-(4-Methoxyphenyl)-4-[4-(3-methylphenyl)piperazine-1-carbonyl]pyrrolidin-2-one 1252902-01-4
N-(2,4-difluorophenyl)-2-{[3-(3,4-dimethylbenzyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide 1252897-13-4
(1R)-1-[3-methoxy-4-(2-methoxyethoxy)phenyl]ethan-1-ol 1305712-76-8
(5R)-5-amino-5,6,7,8-tetrahydronaphthalen-1-ol 1228559-62-3
(5S)-5-amino-5,6,7,8-tetrahydronaphthalen-1-ol 1228570-52-2
(1R)-5-chloro-2,3-dihydro-1H-inden-1-ol 1351630-00-6
(1R)-5-fluoro-2,3-dihydro-1H-inden-1-ol 1270299-60-9
(4R)-6-bromo-3,4-dihydro-2H-1-benzopyran-4-ol 1270291-39-8
methyl 8-ethoxy-2H-chromene-6-carboxylate 1235439-14-1
methyl 2H-chromene-8-carboxylate 160893-67-4
methyl 5-methyl-2H-chromene-8-carboxylate 1221723-06-3
methyl 5-chloro-2H-chromene-8-carboxylate 1235440-36-4
methyl 6-chloro-2H-chromene-8-carboxylate 220841-16-7
2-Fluoro-4-[2-(1-methylethyl)-4-thiazolyl]benzaldehyde 1240321-56-5
2-Fluoro-4-(1,3-thiazol-4-yl)benzaldehyde 1240321-57-6
methyl 5-bromo-2H-chromene-8-carboxylate 1235439-58-3
methyl 6-bromo-2H-chromene-8-carboxylate 1221723-11-0
methyl 5-methoxy-2H-chromene-8-carboxylate 1221723-14-3
methyl 6-methoxy-2H-chromene-8-carboxylate 1221724-24-8
methyl 7-chloro-2H-chromene-8-carboxylate 1221723-08-5
5-Chloro-1-(4-chlorobenzyl)-6-methyl-1H-indazole 1205548-88-4
N-[4-[(3R)-3-Amino-1-piperidinyl]-5-bromo-1H-pyrrolo[2,3-b]pyridin-3-yl]-3-pyridinecarboxamide 1196541-20-4
[1-Oxo-2-(2-phenylethyl)-3,4-dihydroisoquinolin-6-yl]boronic acid 1251401-91-8
N-(1-cyano-1-cyclopropylethyl)-2-{4-[2-(4-methoxyphenyl)ethyl]piperazin-1-yl}acetamide 1241230-69-2
6-chloro-5,7-dimethyl-2H-chromene-3-sulfonyl chloride 1235441-57-2
6-ethoxy-2H-chromene-3-sulfonyl chloride 1235439-94-7

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