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
1,2,5,6-Tetrahydro-2-oxo-4,6-diphenyl-3-pyridinecarbonitrile 16232-43-2
4-(4-fluorophenyl)-N-(4-(trifluoromethoxy)phenyl)-6,7-dihydro-3H-imidazo[4,5-c]pyridine-5(4H)-carbothioamide 847407-26-5
1-(2-chloro-7H-purin-6-yl)piperidine-4-carboxylic acid 919736-51-9
5-[(1,3-benzoxazol-2-ylsulfanyl)methyl]-2-phenyl[1,2,4]triazolo[1,5-a]pyrimidin-7(4H)-one 921104-72-5
2-[(5Z)-5-(3-chlorobenzylidene)-2,4-dioxo-1,3-thiazolidin-3-yl]-N-[2-hydroxy-2-(4-hydroxyphenyl)ethyl]-N-methylacetamide 902321-49-7
1,4-Dimethyl N-(triphenylmethyl)-L-aspartate 116393-72-7
N-{6-[(3,4-dimethoxybenzoyl)amino]-1,3-benzothiazol-2-yl}-2-furamide 921133-75-7
Ethyl 4-(4-(methyloxy)phenyl)-2-(4-morpholinyl)-6-oxo-1,4,5,6-tetrahydro-5-pyrimidinecarboxylate 896663-64-2
Methyl (E)-3-azido-2-methylprop-2-enoate 1937221-22-1
3-(5-methyl-7-oxo-3-phenyl-7H-furo[3,2-g]chromen-6-yl)-N-(4H-1,2,4-triazol-4-yl)propanamide 921083-22-9
(3-(Carbamimidoylcarbamoyl)-2-methyl-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-9-yl)methyl hydrogen sulfate 906549-00-6
2-{[3-cyano-6-(thiophen-2-yl)-4-(trifluoromethyl)pyridin-2-yl]sulfanyl}-N-methylacetamide 905772-99-8
Methyl 2-(6-oxopiperidin-3-yl)acetate 1782595-67-8
(Z)-2-((6-bromo-4H-benzo[d][1,3]dioxin-8-yl)methylene)-3-oxo-2,3-dihydrobenzofuran-6-yl furan-2-carboxylate 929511-81-9
Benzyl (3S)-3-(2-hydroxyethyl)piperidine-1-carboxylate 115909-90-5
ethyl 3-[1-(1H-benzimidazol-2-yl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl]propanoate 944782-88-1
N-{[5-(3-chlorophenyl)furan-2-yl]methyl}-N-(1,1-dioxidotetrahydrothiophen-3-yl)-2,3-dihydro-1,4-benzodioxine-2-carboxamide 905779-33-1
Ethyl 2-(4-benzylpiperazin-1-yl)-6-(2-methoxyphenyl)-4-oxo-1,4,5,6-tetrahydropyrimidine-5-carboxylate 925018-05-9
Benzocycloheptane58metheno10amino 110267-92-0
3-butoxy-N-(5-(methylsulfonyl)-1,3,4-thiadiazol-2-yl)benzamide 905779-14-8
(1R,9S,12S)-6-(trifluoromethyl)tricyclo[7.2.1.02,7]dodeca-2(7),3,5-trien-12-amine 110192-33-1
N-[2-(3,4-dihydroxyphenyl)-2-oxoethyl]-2-[(5Z)-5-(furan-2-ylmethylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-N-methylacetamide 902329-50-4
N-(3-chlorophenyl)-2-{1-[(4-methylpiperazin-1-yl)acetyl]-3-oxopiperazin-2-yl}acetamide 1047980-28-8
N-[(E)-[(4,6-dimethylpyrimidin-2-yl)amino]{[2-(5-fluoro-1H-indol-3-yl)ethyl]amino}methylidene]-2-methylpropanamide 924864-27-7
(2Z)-2-[(6-bromo-4H-1,3-benzodioxin-8-yl)methylidene]-7-[(3,5-dimethylpiperidin-1-yl)methyl]-6-hydroxy-1-benzofuran-3(2H)-one 929398-15-2
(2Z)-2-[(2E)-3-(2-methoxyphenyl)prop-2-en-1-ylidene]-3-oxo-2,3-dihydro-1-benzofuran-6-yl 4-fluorobenzenesulfonate 929457-40-9
2-methyl-N-[5-(propylsulfonyl)-1,3,4-thiadiazol-2-yl]propanamide 901659-58-3
10-O-(3-carboxypropyl)ractopamine ether 911196-29-7
2-[(4-methoxyphenyl)amino]-4-methyl-7-(2-thienyl)-7,8-dihydroquinazolin-5(6H)-one 925015-92-5
N-(5-((2-chlorobenzyl)sulfonyl)-1,3,4-thiadiazol-2-yl)-2-(naphthalen-1-yl)acetamide 901668-03-9
(2S,3R,4S,5S,6R)-2-((S)-2,3-Dihydroxypropoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol 23202-74-6
3-{[6-tert-butyl-3-cyano-4-(trifluoromethyl)pyridin-2-yl]sulfanyl}-N-(4-methoxyphenyl)propanamide 905786-76-7
N-[3-(1H-benzimidazol-2-yl)-1-(2-methoxyethyl)-4,5-dimethyl-1H-pyrrol-2-yl]furan-2-carboxamide 929807-25-0
2-(4-chloro-3-methylphenoxy)-N-(5-(methylsulfonyl)-1,3,4-thiadiazol-2-yl)acetamide 901658-29-5
(2E)-2-[(5-methoxy-1-methyl-1H-indol-3-yl)methylidene]-3-oxo-2,3-dihydro-1-benzofuran-6-yl 4-chlorobenzenesulfonate 929511-84-2
3-[1-(1,3-benzothiazol-2-yl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl]-1-(4-methoxyphenyl)pyrrolidine-2,5-dione 925026-44-4
1-[(3,5-dimethyl-1,2-oxazol-4-yl)sulfonyl]-N-prop-2-en-1-ylprolinamide 1047981-12-3
2-{[6-tert-butyl-3-cyano-4-(trifluoromethyl)-5,6,7,8-tetrahydroquinolin-2-yl]sulfanyl}-N-methylacetamide 905787-31-7
8-(3-(4-(4-fluorophenyl)piperazin-1-yl)propyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione 923109-14-2
1-(3-Nitro-2-oxo-1-phenyl-1,2-dihydroquinolin-4-yl)piperidine-4-carboxamide 886159-11-1
Methyl 4-({[5-chloro-2-(ethylsulfonyl)pyrimidin-4-yl]carbonyl}amino)benzoate 880783-90-4
8-(2-((2-chlorophenyl)amino)ethyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione 923151-85-3
(Z)-8-(2-methoxyphenyl)-2-(2,4,5-trimethoxybenzylidene)-8,9-dihydro-2H-benzofuro[7,6-e][1,3]oxazin-3(7H)-one 929444-78-0
(2Z)-2-(2-chlorobenzylidene)-6-{[(2E)-3-phenylprop-2-en-1-yl]oxy}-1-benzofuran-3(2H)-one 879805-30-8
N-[4-([1,3]oxazolo[4,5-b]pyridin-2-yl)benzyl]pentanamide 895094-62-9
2-[6-(4-fluorophenyl)imidazo[2,1-b][1,3]thiazol-3-yl]-N-(2-methoxyphenyl)acetamide 897464-81-2
3-[(2-chloro-7H-purin-6-yl)sulfanyl]propanoic acid 929832-26-8
3-(4-chlorophenyl)-1-(methylsulfonyl)-5-phenyl-4,5-dihydro-1H-pyrazole 902248-49-1
2-{6-[(4-Methoxyphenoxy)methyl][1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl}quinoline 951993-42-3
Methyl N2,N6-diacetyl-L-lysinate 2362-03-0

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