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-(2,3-dihydro-1,4-benzodioxin-6-yl)-N-(3-hydroxyphenyl)-5-oxopyrrolidine-3-carboxamide 1144477-97-3
N-cyclopentyl-4-{[(1,1-dioxidotetrahydrothiophen-3-yl)carbamoyl]amino}benzamide 1144465-37-1
N-[4-(acetylamino)phenyl]-1-(2,3-dihydro-1,4-benzodioxin-6-yl)-5-oxopyrrolidine-3-carboxamide 1144465-41-7
N-(1,3-dihydro-2H-benzimidazol-2-ylidene)-3-{[(1,1-dioxidotetrahydrothiophen-3-yl)carbamoyl]amino}benzamide 1144444-96-1
N-[2-({[1-(2-methoxyphenyl)-5-oxopyrrolidin-3-yl]carbonyl}amino)ethyl]-1-methyl-1H-indole-2-carboxamide 1144465-61-1
methyl 5-(4-fluoro-2-methoxyphenyl)-2-methyl-4-(2-oxo-2,3-dihydro-1H-indol-3-yl)-1H-pyrrole-3-carboxylate 1144445-09-9
1-(3-chloro-4-fluorophenyl)-3-(1,3,4,9-tetrahydro-2H-beta-carbolin-2-yl)pyrrolidine-2,5-dione 1144445-18-0
N-[(2E)-5-(methoxymethyl)-1,3,4-thiadiazol-2(3H)-ylidene]-5-oxo-1-[3-(trifluoromethyl)phenyl]pyrrolidine-3-carboxamide 1144478-34-1
1-(4-bromophenyl)-N-(4-hydroxyphenyl)-5-oxopyrrolidine-3-carboxamide 1144445-20-4
N-cyclooctyl-4-{[(1,1-dioxidotetrahydrothiophen-3-yl)carbamoyl]amino}benzamide 1144478-39-6
methyl 2-methyl-5-[4-(methylsulfanyl)phenyl]-4-(2-oxo-2,3-dihydro-1H-indol-3-yl)-1H-pyrrole-3-carboxylate 1144445-25-9
N-(1H-benzo[d]imidazol-2-yl)-3-(3-(1,1-dioxidotetrahydrothiophen-3-yl)ureido)propanamide 1144478-44-3
4-{[(1,1-dioxidotetrahydrothiophen-3-yl)carbamoyl]amino}-N-(1,3-thiazol-2-yl)benzamide 1144445-33-9
4-{[(1,1-dioxidotetrahydrothiophen-3-yl)carbamoyl]amino}-N-(2-methylpropyl)benzamide 1144478-50-1
3-(2-methoxybenzyl)-1-(4-methoxyphenyl)-7,8-dimethyl-1,2,3,4-tetrahydro-6H-pyrimido[1,2-a][1,3,5]triazin-6-one 1144465-99-5
1-(2-chlorobenzyl)-N-(5-methyl-1,3,4-thiadiazol-2-yl)-5-oxopyrrolidine-3-carboxamide 1144445-47-5
(3-Methylpentan-2-yl)[(3-methylphenyl)methyl]amine 1036505-79-9
Methyl 4-({[2-(1,3-benzothiazol-2-yl)pyrrolidin-1-yl]carbonyl}amino)benzoate 1144427-91-7
N-(bicyclo[2.2.1]hept-5-en-2-ylmethyl)-2-(5-methoxy-1H-indol-1-yl)acetamide 1212068-88-6
5-oxo-1-(4-phenoxyphenyl)-N-(3-pyridylmethyl)-3-pyrrolidinecarboxamide 1144427-97-3
N-cyclopropyl-4-{[(1,1-dioxidotetrahydrothiophen-3-yl)carbamoyl]amino}benzamide 1144469-70-4
N-[3-(1H-imidazol-1-yl)propyl]-1-(3-methyl[1,2,4]triazolo[4,3-b]pyridazin-6-yl)piperidine-3-carboxamide 1144469-72-6
4-{[4-(4-Chlorophenyl)-4-hydroxypiperidin-1-yl]carbonyl}-1-(furan-2-ylmethyl)pyrrolidin-2-one 1144481-87-7
N-cyclooctyl-1-[3-(propan-2-yl)[1,2,4]triazolo[4,3-b]pyridazin-6-yl]piperidine-3-carboxamide 1144481-89-9
2'-(2-methoxyethyl)-1'-oxo-N-(2-phenylethyl)-1',4'-dihydro-2'H-spiro[cyclopentane-1,3'-isoquinoline]-4'-carboxamide 1212428-15-3
1-(4-fluorophenyl)-7,8-dimethyl-3-(tetrahydrofuran-2-ylmethyl)-1,2,3,4-tetrahydro-6H-pyrimido[1,2-a][1,3,5]triazin-6-one 1144469-80-6
N-(propan-2-yl)-1-[3-(propan-2-yl)[1,2,4]triazolo[4,3-b]pyridazin-6-yl]piperidine-3-carboxamide 1144428-15-8
N-[4-(trifluoromethyl)phenyl]-1-[3-(trifluoromethyl)[1,2,4]triazolo[4,3-b]pyridazin-6-yl]piperidine-3-carboxamide 1144481-99-1
N-benzyl-1-[3-(propan-2-yl)[1,2,4]triazolo[4,3-b]pyridazin-6-yl]piperidine-3-carboxamide 1144469-95-3
N-(4-fluorobenzyl)-1-[3-(trifluoromethyl)[1,2,4]triazolo[4,3-b]pyridazin-6-yl]piperidine-3-carboxamide 1144469-98-6
N-(4-chlorobenzyl)-4-{[(1,1-dioxidotetrahydrothiophen-3-yl)carbamoyl]amino}benzamide 1144428-31-8
1-(2-fluorophenyl)-N-[(2E)-5-(methoxymethyl)-1,3,4-thiadiazol-2(3H)-ylidene]-5-oxopyrrolidine-3-carboxamide 1144482-14-3
5-fluoro-3-hydroxy-3-[2-(1H-indol-3-yl)-2-oxoethyl]-1,3-dihydro-2H-indol-2-one 1144482-15-4
N-(3-acetylphenyl)-2'-(2-methoxyethyl)-1'-oxo-1',4'-dihydro-2'H-spiro[cyclopentane-1,3'-isoquinoline]-4'-carboxamide 1212434-79-1
3-(2-Hydroxy-4,6-dimethoxy-phenyl)-1-(3-methyl-piperidin-1-yl)-3-phenyl-propan-1-one 1334470-19-7
6-Isobutyl-N,N-dimethyl-2-(pyrrolidin-1-yl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-amine 1081346-70-4
N-[2-(3,4-dimethoxyphenyl)ethyl]-7-(2-methoxyethyl)-1,3-dimethyl-2,4-dioxo-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide 1021215-91-7
7-(2-methoxyethyl)-N-(2-methoxyphenethyl)-1,3-dimethyl-2,4-dioxo-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide 1021257-55-5
7-(2-methoxyethyl)-1,3-dimethyl-N-(2-(methylthio)phenyl)-2,4-dioxo-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide 1021215-94-0
N-(2-(cyclohex-1-en-1-yl)ethyl)-7-(2-methoxyethyl)-1,3-dimethyl-2,4-dioxo-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide 1021216-00-1
7-(2-methoxyethyl)-1,3-dimethyl-N-(3-methylbutyl)-2,4-dioxo-1H,2H,3H,4H,7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide 1021257-64-6
7-benzyl-N-(2-fluorophenyl)-1,3-dimethyl-2,4-dioxo-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide 1021216-54-5
5-chloro-2-hydroxy-N'-[3-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]propanoyl]benzohydrazide 950154-53-7
4-(2-Hydroxy-3-((2-hydroxyethyl)(methyl)amino)propoxy)benzonitrile 1178112-13-4
2-Pyridinamine, N-(2,6-dimethyl-3-pyridinyl)- 1263286-58-3
I+/-,4-Dimethyl-N-(2-methylcyclohexyl)-5-thiazolemethanamine 1218739-43-5
2-((2-(3,4-dimethoxyphenyl)-2-oxoethyl)thio)-3-isobutyl-N-isopropyl-4-oxo-3,4-dihydroquinazoline-7-carboxamide 946386-02-3
N-(benzo[d][1,3]dioxol-5-yl)-7-benzyl-1,3-dimethyl-2,4-dioxo-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide 1021258-72-9
5-(tert-Butyl) 3-methyl 2,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridine-3,5-dicarboxylate 1171833-94-5
methyl 4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carboxylate 1609522-07-7

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