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
(2S)-1-[(2-methoxyethyl)amino]propan-2-ol 169611-50-1
N-[(2E)-4-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-1,3-thiazol-2(3H)-ylidene]-2-propoxybenzamide 1144446-50-3
2-(7-methoxy-4-methyl-2-oxo-2H-chromen-3-yl)-N-[(2E)-5-(methoxymethyl)-1,3,4-thiadiazol-2(3H)-ylidene]acetamide 1144485-65-3
N-[(2Z)-5-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-4-methyl-1,3-thiazol-2(3H)-ylidene]-3-methoxybenzamide 1144458-96-7
2-(6-chloro-1H-indol-1-yl)-N-(4-methyl-1,3-thiazol-2-yl)acetamide 1144463-16-0
N-(2-fluorophenyl)-2-(4-oxo-2-(piperidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide 1105219-51-9
(2r)-1-(3-Methylphenyl)propan-2-ol 1821783-33-8
(2S)-2-(dimethylamino)pentanoic acid 170941-87-4
1-(4-fluorobenzyl)-N'-(2-(4-fluorophenyl)acetyl)-2-oxo-1,2-dihydropyridine-3-carbohydrazide 1105242-98-5
2-(4-methoxyphenoxy)-N-[(2E)-4-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-1,3-thiazol-2(3H)-ylidene]acetamide 1144494-10-9
2-(5,7-dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)-N-[(2E)-5-(propan-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]acetamide 1144449-56-8
N-[(2Z)-4,5-dimethyl-1,3-thiazol-2(3H)-ylidene]-2-(pyridin-3-yl)quinoline-4-carboxamide 1144449-61-5
2-chloro-N-[(2Z)-6-(methylsulfonyl)-1,3-benzothiazol-2(3H)-ylidene]-5-(1H-pyrrol-1-yl)benzamide 1144431-00-4
(S)-1-(quinoxalin-2-yl)piperidin-3-ol 1421010-11-8
(E)-methyl 4-((2-cyano-2-(4-(4-ethylphenyl)thiazol-2-yl)vinyl)amino)benzoate 1021263-17-1
1-(4-chlorobenzyl)-7-ethyl-3-methyl-8-(piperidin-1-yl)-1H-purine-2,6(3H,7H)-dione 1105197-93-0
8-(benzylthio)-7-(4-methoxyphenethyl)-3-methyl-1H-purine-2,6(3H,7H)-dione 1105198-18-2
1-(6-Methylpyrimidin-4-yl)-1,4-diazepane 1092286-16-2
5-(1-Ethylpropyl)-1,2-dihydro-3H-1,2,4-triazole-3-thione 78201-11-3
N~3~-methyl-N-phenyl-beta-alaninamide 1224163-29-4
N-(4-methylphenyl)-2-[2-oxo-3-(3-phenyl-1,2,4-oxadiazol-5-yl)pyridin-1(2H)-yl]acetamide 1105249-52-2
N-(4-bromobenzyl)-3-(8-fluoro-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-3-yl)propanamide 1105229-70-6
2-(4-chlorophenoxy)-N-[(2E)-4-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-1,3-thiazol-2(3H)-ylidene]acetamide 1144494-59-6
5-(((4-Isopropylphenyl)sulfonyl)methyl)-3-(p-tolyl)-1,2,4-oxadiazole 1105232-64-1
1,6-Dimethyl-1H-indazole-5-carboxylic acid 1176054-70-8
2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)-N-(3-phenylpropyl)acetamide 1105206-84-5
7,8-Dimethylquinolin-3-amine 1176431-51-8
5-(2,3-dihydro-1,4-benzodioxin-6-yl)-N-[(2Z)-4-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-1,3-thiazol-2(3H)-ylidene]-1,2-oxazole-3-carboxamide 1144497-65-3
N-benzyl-7-chloro-N-methyl-4-oxo-1,4-dihydroquinoline-3-carboxamide 1144498-27-0
N-[(2Z)-5-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]-4-methyl-1,3-thiazol-2(3H)-ylidene]-4-(propan-2-yloxy)benzamide 1092339-33-7
2-(2-methoxyphenoxy)-N-[(2Z)-5-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]-4-methyl-1,3-thiazol-2(3H)-ylidene]acetamide 1092337-30-8
N-[(2E)-5-cyclopropyl-1,3,4-thiadiazol-2(3H)-ylidene]-2-(2-methoxyethyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxamide 1144462-13-4
2-fluoro-N-[(2Z)-5-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]-4-methyl-1,3-thiazol-2(3H)-ylidene]benzamide 1144456-65-4
4-Chloro-2-(propan-2-yl)-1,3-benzothiazole-6-carboxylic acid 1176114-75-2
2-(5-Methylthiazol-2-yl)acetic acid 1092297-79-4
N-(5-chloro-2-hydroxyphenyl)-2-(pyridin-3-yl)quinoline-4-carboxamide 1144441-56-4
3-chloro-N-[(2Z)-4-methyl-5-[3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl]-1,3-thiazol-2(3H)-ylidene]benzamide 1092337-98-8
2-chloro-N-(2-fluorophenyl)-5-(1H-pyrrol-1-yl)benzamide 1144473-15-3
3-Chloro-5-iodo-4-methylbenzoicacid 1092307-52-2
4-bromo-N-[(2Z)-5-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-4-methyl-1,3-thiazol-2(3H)-ylidene]benzamide 1144476-15-2
N-cycloheptyl-2-(1H-indol-1-yl)acetamide 1144430-13-6
N-(4-butylphenyl)-6-(morpholin-4-yl)-7H-purin-2-amine 1144495-52-2
N-[[2-[(Dimethylamino)methyl]phenyl]methyl]-2-pyridinecarboxamide 1210871-97-8
4-(2-Methoxyphenyl)benzene-1-carbothioamide 1177240-92-4
N-[(2E)-4-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-1,3-thiazol-2(3H)-ylidene]-2-phenoxyacetamide 1144500-23-1
N-[4-(acetylamino)phenyl]-3-(2-methoxyphenyl)-4-oxo-3,4-dihydroquinazoline-7-carboxamide 1144469-69-1
N-[(2Z)-5-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]-4-methyl-1,3-thiazol-2(3H)-ylidene]-4-(prop-2-en-1-yloxy)benzamide 1092339-30-4
N-(4-bromophenyl)-2-({3-ethyl-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide 1252853-82-9
N-[(2Z)-4-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-1,3-thiazol-2(3H)-ylidene]thiophene-2-carboxamide 1144427-96-2
N-[2-chloro-5-(trifluoromethyl)phenyl]-2-({3-ethyl-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide 1252842-11-7

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