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-(4-fluorophenyl)-3-hydroxy-4-(phenylsulfonyl)-5-(3,4,5-trimethoxyphenyl)-1,5-dihydro-2H-pyrrol-2-one 880393-62-4
1-Cyclopentyl-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile 880393-64-6
N-(4-ethyl-1,2,5-oxadiazol-3-yl)-4-propoxybenzamide 880783-65-3
N-(1,1-dioxidotetrahydrothiophen-3-yl)-N-(3-methoxybenzyl)-2-oxo-2H-chromene-3-carboxamide 880395-40-4
N-(1,1-dioxidotetrahydrothiophen-3-yl)-N-[(3-methylthiophen-2-yl)methyl]-2-propoxybenzamide 880395-46-0
3-chloro-N-(1,1-dioxidotetrahydrothiophen-3-yl)-N-(2-fluorobenzyl)benzamide 880395-71-1
5-chloro-N-(1,1-dioxidotetrahydrothiophen-3-yl)-N-(2-fluorobenzyl)-3-methyl-1-benzofuran-2-carboxamide 880395-74-4
2-(4-chloro-3,5-dimethylphenoxy)-N-(4-ethyl-1,2,5-oxadiazol-3-yl)acetamide 880395-86-8
5-bromo-N-(1,1-dioxidotetrahydrothiophen-3-yl)-N-(2-fluorobenzyl)-3-methyl-1-benzofuran-2-carboxamide 880395-92-6
5-chloro-N-(1,1-dioxidotetrahydrothiophen-3-yl)-2-(ethylsulfanyl)-N-[4-(propan-2-yl)benzyl]pyrimidine-4-carboxamide 880395-98-2
5-chloro-N-(5-chloro-2-methoxyphenyl)-2-(propylsulfanyl)pyrimidine-4-carboxamide 880396-04-3
5-chloro-N-(2,5-dimethoxyphenyl)-2-(ethylsulfanyl)pyrimidine-4-carboxamide 880396-07-6
5-chloro-N-(1,1-dioxidotetrahydrothiophen-3-yl)-2-(ethylsulfanyl)pyrimidine-4-carboxamide 880396-19-0
5-chloro-2-(ethylsulfanyl)-N-(4-methylphenyl)pyrimidine-4-carboxamide 880396-22-5
2-(6-methyl-1-benzofuran-3-yl)-N-{4-[(4-methylpyrimidin-2-yl)sulfamoyl]phenyl}acetamide 880396-28-1
N-[2-(3,4-dimethoxyphenyl)ethyl]-2-(6-methyl-1-benzofuran-3-yl)acetamide 880396-31-6
6-methyl-4-oxo-N-[3-(trifluoromethyl)phenyl]-4H-chromene-2-carboxamide 881217-47-6
6-methyl-4-oxo-N-[2-(trifluoromethyl)phenyl]-4H-chromene-2-carboxamide 880396-53-2
2-(4-chlorophenoxy)-N-[4-(3,4-diethoxyphenyl)-1,2,5-oxadiazol-3-yl]acetamide 880396-71-4
2-(2-chlorophenoxy)-N-[4-(3,4-diethoxyphenyl)-1,2,5-oxadiazol-3-yl]propanamide 880396-74-7
N-[4-(3,4-diethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-(4-fluorophenoxy)propanamide 880396-80-5
N-[4-(3,4-diethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-[4-(propan-2-yl)phenoxy]acetamide 880396-83-8
N-[4-(3,4-diethoxyphenyl)-1,2,5-oxadiazol-3-yl]thiophene-2-carboxamide 881217-48-7
N-[4-(3,4-diethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-(2-fluorophenoxy)butanamide 880396-86-1
N-[4-(3,4-diethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-fluorobenzamide 880396-89-4
N-[4-(3,4-diethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-(4-fluorophenoxy)acetamide 880397-14-8
methyl 4-(4-bromobenzoyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate 880397-30-8
(5Z)-4-methyl-5-{[3-(4-methylphenyl)-1-phenyl-1H-pyrazol-4-yl]methylidene}-2,6-dioxo-1-(tetrahydrofuran-2-ylmethyl)-1,2,5,6-tetrahydropyridine-3-carbonitrile 956932-93-7
(5Z)-5-(3,4-dimethoxybenzylidene)-4-methyl-2,6-dioxo-1-(tetrahydrofuran-2-ylmethyl)-1,2,5,6-tetrahydropyridine-3-carbonitrile 880399-80-4
(5Z)-5-{[5-(2,4-dichlorophenyl)furan-2-yl]methylidene}-4-methyl-2,6-dioxo-1-(tetrahydrofuran-2-ylmethyl)-1,2,5,6-tetrahydropyridine-3-carbonitrile 880399-84-8
(5Z)-5-{[5-(2,4-dichlorophenyl)furan-2-yl]methylidene}-1-(2-methoxyethyl)-4-methyl-2,6-dioxo-1,2,5,6-tetrahydropyridine-3-carbonitrile 880399-91-7
(5Z)-5-{[5-(4-acetylphenyl)furan-2-yl]methylidene}-1-(2-methoxyethyl)-4-methyl-2,6-dioxo-1,2,5,6-tetrahydropyridine-3-carbonitrile 880399-95-1
(5Z)-1-(2-methoxyethyl)-4-methyl-5-{[3-(4-methylphenyl)-1-phenyl-1H-pyrazol-4-yl]methylidene}-2,6-dioxo-1,2,5,6-tetrahydropyridine-3-carbonitrile 956957-98-5
N-(6-chloro-2-phenylimidazo[1,2-a]pyridin-3-yl)-2-methylpropanamide 880400-37-3
2-methyl-N-(6-methyl-2-phenylimidazo[1,2-a]pyridin-3-yl)propanamide 880400-94-2
(Z)-2-(5-(2-(2-((4-fluorophenyl)amino)-2-oxoethoxy)benzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetic acid 867311-81-7
N-[4-(difluoromethoxy)phenyl]-2-(5-ethyl-1-benzofuran-3-yl)acetamide 880402-86-8
N-(2,5-dimethylphenyl)-2-(5-methyl-1-benzofuran-3-yl)acetamide 880404-31-9
N-[2-(3,4-dimethoxyphenyl)ethyl]-2-[5-(propan-2-yl)-1-benzofuran-3-yl]acetamide 880404-35-3
N-benzyl-N-(furan-2-ylmethyl)-2-(5-methyl-1-benzofuran-3-yl)acetamide 880404-42-2
2-(5-methyl-1-benzofuran-3-yl)-N-(4-methylbenzyl)acetamide 880404-50-2
N-(3-chlorobenzyl)-N-(1,1-dioxidotetrahydrothiophen-3-yl)-2-(5-methyl-1-benzofuran-3-yl)acetamide 880404-61-5
N-(1,1-dioxidotetrahydrothiophen-3-yl)-2-(5-methyl-1-benzofuran-3-yl)-N-(4-propoxybenzyl)acetamide 880404-65-9
N-benzyl-N-methyl-2-(5-methyl-1-benzofuran-3-yl)acetamide 880404-69-3
N-(1,1-dioxidotetrahydrothiophen-3-yl)-2-(5-methyl-1-benzofuran-3-yl)-N-(thiophen-2-ylmethyl)acetamide 880404-81-9
N-benzyl-N-(1,1-dioxidotetrahydrothiophen-3-yl)-2-(5-methyl-1-benzofuran-3-yl)acetamide 880404-85-3
4-Benzyl-1-[(5-methyl-1-benzofuran-3-yl)acetyl]piperidine 880404-89-7
N-(1,3-benzodioxol-5-ylmethyl)-2-(5-methyl-1-benzofuran-3-yl)acetamide 880404-93-3
N-(1,1-dioxidotetrahydrothiophen-3-yl)-N-(furan-2-ylmethyl)-2-(5-methyl-1-benzofuran-3-yl)acetamide 880404-97-7
N-(furan-2-ylmethyl)-N-(4-methylbenzyl)-2-oxo-2H-chromene-3-carboxamide 880405-05-0

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