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
N-[2-oxo-1-(phenylsulfonyl)-2-(thiophen-2-yl)ethyl]acetamide 893691-05-9
methyl N-[1-(1,3-benzothiazol-2-ylsulfanyl)-2-oxo-2-(2-thienyl)ethyl]carbamate 893691-08-2
N-[1-(4-methylbenzenesulfonyl)-2-oxo-2-(thiophen-2-yl)ethyl]acetamide 889768-28-9
N-[1-(1,3-benzothiazol-2-ylsulfanyl)-2-oxo-2-(thiophen-2-yl)ethyl]acetamide 893691-11-7
Methyl [1-(1,3-benzoxazol-2-ylsulfanyl)-2-oxo-2-(thiophen-2-yl)ethyl]carbamate 889768-30-3
N-[1-(1,3-benzoxazol-2-ylsulfanyl)-2-oxo-2-(thiophen-2-yl)ethyl]acetamide 893691-14-0
Isopropyl 4-(8-(2-methyl-6-(methylsulfonyl)pyridin-3-ylamino)imidazo[1,2-a]pyrazin-3-yl)piperidine-1-carboxylate 1224451-19-7
5-benzoyl-6-[5-(2-chlorophenyl)-2-furyl]-4-hydroxy-4-(trifluoromethyl)tetrahydropyrimidin-2(1H)-one 1217695-89-0
Ethyl 5-acetyl-2-[(1-acetamido-2-oxo-2-phenylethyl)amino]-4-methylthiophene-3-carboxylate 893691-79-7
N-[(2Z)-4-phenyl-2-(phenylimino)-3-(tetrahydrofuran-2-ylmethyl)-2,3-dihydro-1,3-thiazol-5-yl]furan-2-carboxamide 893691-84-4
N-[(2Z)-4-phenyl-2-(phenylimino)-3-(tetrahydrofuran-2-ylmethyl)-2,3-dihydro-1,3-thiazol-5-yl]acetamide 893692-73-4
N-{2-[(2-methoxyphenyl)imino]-4-phenyl-3-(prop-2-en-1-yl)-2,3-dihydro-1,3-thiazol-5-yl}propanamide 893692-79-0
methyl N-{2-[(2-methoxyphenyl)imino]-4-phenyl-3-(prop-2-en-1-yl)-2,3-dihydro-1,3-thiazol-5-yl}carbamate 893650-84-5
N-[(2Z)-3-(3-methoxypropyl)-4-phenyl-2-(phenylimino)-2,3-dihydro-1,3-thiazol-5-yl]furan-2-carboxamide 893693-24-8
4-methoxy-N-[2-oxo-2-phenyl-1-(phenylsulfonyl)ethyl]benzamide 893693-53-3
Ethyl [1-hydroxy-2-(4-methylphenyl)-2-oxoethyl]carbamate 893693-56-6
butyl 4-{[(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetyl]amino}benzoate 893691-82-2
N-[(5-Bromo-2-fluorophenyl)methyl]-1-cyclopropyl-4-piperidinamine 1152950-82-7
1-Cyclopropyl-N-[(3,5-dimethoxyphenyl)methyl]-4-piperidinamine 1152950-91-8
1-Cyclopropyl-N-((3,5-dimethylisoxazol-4-yl)methyl)piperidin-4-amine 1152951-71-7
4-benzoyl-3-hydroxy-5-(3-phenoxyphenyl)-1-[(pyridin-3-yl)methyl]-2,5-dihydro-1H-pyrrol-2-one 893692-01-8
2-Methyl-2-[[[2-(2-pyridinyl)-4-thiazolyl]methyl]amino]-1-propanol 1152950-02-1
N-(3-chlorophenyl)-2-[3-oxo-1-(thiophene-2-carbonyl)-1,2,3,4-tetrahydroquinoxalin-2-yl]acetamide 1219389-06-6
Ethyl 5-acetyl-2-{[1-[(2-furylcarbonyl)amino]-2-oxo-2-(2-thienyl)ethyl]amino}-4-methyl-3-thiophenecarboxylate 893694-09-2
N-[(2Z)-4-phenyl-2-(phenylimino)-3-(pyridin-3-ylmethyl)-2,3-dihydro-1,3-thiazol-5-yl]furan-2-carboxamide 889769-05-5
N-(4-bromophenyl)-2-[1-(furan-2-ylcarbonyl)-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl]acetamide 1219401-82-7
N-(2-ethoxyphenyl)-2-{1-[(2-methoxyphenoxy)acetyl]-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl}acetamide 1219332-33-8
N-(4-chlorophenyl)-2-{1-[2-(4-methoxyphenoxy)acetyl]-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl}acetamide 1219226-78-4
N-(2,3-Difluorobenzyl)-3-methoxypropan-1-amine 1152704-56-7
[(2,3-Difluorophenyl)methyl](3-methylbutyl)amine 1152704-85-2
2-[1-(4-bromobenzoyl)-3-oxo-1,2,3,4-tetrahydro-2-quinoxalinyl]-N~1~-(3-chlorophenyl)acetamide 1219143-24-4
[(2,3-Difluorophenyl)methyl](2-methylpropyl)amine 1152832-88-6
N-[(2,3-difluorophenyl)methyl]cyclopentanamine 1152951-46-6
N-[1-({2-methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl}amino)-2-oxo-2-(thiophen-2-yl)ethyl]benzamide 893694-22-9
N-[2-(4-methylphenyl)-2-oxo-1-({4-[(E)-phenyldiazenyl]phenyl}amino)ethyl]thiophene-2-carboxamide 893694-25-2
2-{1-[(4-fluorophenoxy)acetyl]-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl}-N-(4-fluorophenyl)acetamide 1219177-04-4
1-(2,5-Dimethyl-1h-pyrrol-3-yl)-2-((1-methyl-1h-imidazol-2-yl)thio)ethan-1-one 1152952-35-6
Ethyl 2-((2-(2,5-dimethyl-1h-pyrrol-3-yl)-2-oxoethyl)thio)acetate 1152952-49-2
N-(3,4-dichlorophenyl)-2-[1-(furan-2-carbonyl)-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl]acetamide 1219207-31-4
1-(1H-1,3-benzodiazol-2-yl)-3-hydroxy-4-(4-methylbenzoyl)-5-(4-methylphenyl)-2,5-dihydro-1H-pyrrol-2-one 1203311-92-5
1-[[4-(4-Chlorophenoxy)phenyl]methyl]azetidine-3-carboxylic acid 1240307-76-9
4-(2-Chlorophenyl)-2-(pyrrolidin-2-yl)-1H-imidazole 1155056-47-5
2-[[4-(2-Trimethylsilylethynyl)phenyl]methylamino]acetic acid 1240309-46-9
tert-butyl N-[2-(cyanomethyl)phenyl]carbamate 1238507-98-6
4-(4-chlorophenyl)-N-{2-[(2-methylpropyl)amino]-2-oxoethyl}piperazine-1-carboxamide 1324072-95-8
3-methyl-N-phenyl-2-(phenylcarbamoylamino)butanamide 2185-06-0
N-(5-cyclohexyl-1,3,4-thiadiazol-2-yl)-2-[2-(3,4-dimethoxyphenyl)-1,3-thiazol-4-yl]acetamide 1374548-28-3
N-(1-cyano-1,2-dimethylpropyl)-2-{[2-(2-oxopyrrolidin-1-yl)phenyl]amino}acetamide 1241330-48-2
1,7-dimethyl-3-(2-methyl-5-(5-(pyridin-2-yl)-1,2,4-oxadiazol-3-ylamino)phenyl)-1,6-naphthyridin-2(1H)-one 1185280-04-9
5-(Pyridin-3-yl)-3-(trifluoromethyl)picolinic acid 1214343-46-0

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