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
2-((1-(4-methylpiperazin-1-yl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)-N-(4-nitrophenyl)acetamide 899993-00-1
N-(3-acetylphenyl)-2-((1-(4-methylpiperazin-1-yl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899951-38-3
N-(2-methoxy-5-(trifluoromethyl)phenyl)-2-((1-(4-methylpiperazin-1-yl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 920413-97-4
1-(4-methylpiperazin-1-yl)-4-((4-nitrobenzyl)thio)-6,7-dihydro-1H-cyclopenta[d]pyrimidin-2(5H)-one 899951-39-4
N-(4-fluoro-3-nitrophenyl)-2-((1-(4-methylpiperazin-1-yl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899993-04-5
N-(5-chloro-2-methoxyphenyl)-2-((1-(4-methylpiperazin-1-yl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899755-86-3
4-((4-chlorobenzyl)thio)-1-(4-methylpiperazin-1-yl)-6,7-dihydro-1H-cyclopenta[d]pyrimidin-2(5H)-one 899951-40-7
N-cyclohexyl-2-[[1-(4-methylpiperazin-1-yl)-2-oxo-5,6,7,8-tetrahydroquinazolin-4-yl]sulfanyl]acetamide 899993-06-7
Methyl 3-amino-7-chlorothieno[3,2-b]pyridine-2-carboxylate 181283-60-3
N-cyclohexyl-2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899756-16-2
2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)-N-(o-tolyl)acetamide 899756-19-5
N-(4-fluorobenzyl)-2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899951-64-5
N-(4-methylthiazol-2-yl)-2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899951-70-3
N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)acetamide 899993-51-2
N-(4-methylthiazol-2-yl)-2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)acetamide 899756-54-8
N-(4-fluoro-3-nitrophenyl)-2-((2-oxo-1-((tetrahydrofuran-2-yl)methyl)-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)acetamide 899951-90-7
4-((2,4-dichlorobenzyl)thio)-1-((tetrahydrofuran-2-yl)methyl)-5,6,7,8-tetrahydroquinazolin-2(1H)-one 899993-65-8
1-(2-((2,2-Dimethyl-2,3-dihydrobenzofuran-7-yl)oxy)acetyl)indoline-2-carboxamide 1103515-55-4
(Z)-N-methyl-1-(3-phenylacryloyl)indoline-2-carboxamide 1103514-30-2
1-(2-(4-chlorophenoxy)acetyl)-N-methylindoline-2-carboxamide 1100789-67-0
N-methyl-1-(5-nitrofuran-2-carbonyl)indoline-2-carboxamide 1100790-37-1
1-(3-cyclopentylpropanoyl)-N-ethylindoline-2-carboxamide 1103515-25-8
1-(5-bromofuran-2-carbonyl)-N-ethylindoline-2-carboxamide 1100790-93-9
1-(benzofuran-2-carbonyl)-N-ethylindoline-2-carboxamide 1103515-68-9
N-ethyl-1-(2-(ethylthio)benzoyl)indoline-2-carboxamide 1103515-70-3
N1-(4-methoxyphenyl)indoline-1,2-dicarboxamide 1103516-51-3
N2-methyl-N1-(3,4,5-trimethoxyphenyl)indoline-1,2-dicarboxamide 1101640-87-2
(Z)-3-(benzo[d][1,3]dioxol-5-yl)-1-(4-(3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)prop-2-en-1-one 942012-92-2
(Z)-3-(4-nitrophenyl)-1-(4-(3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)prop-2-en-1-one 941887-53-2
(5-nitrofuran-2-yl)(4-(3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)methanone 941919-74-0
ethyl 4-(3-(3-fluorophenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazine-1-carboxylate 920389-02-2
3-(3-methoxyphenyl)-7-[4-(2-thienylcarbonyl)piperazin-1-yl]-3H-[1,2,3]triazolo[4,5-d]pyrimidine 1005307-06-1
(4-(3-benzyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)(p-tolyl)methanone 1005307-15-2
4-(4-(3-benzyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazine-1-carbonyl)-N,N-dimethylbenzenesulfonamide 920163-45-7
3-(3-methoxyphenyl)-7-(4-((4-nitrophenyl)sulfonyl)piperazin-1-yl)-3H-[1,2,3]triazolo[4,5-d]pyrimidine 941887-83-8
N-cyclohexyl-2-((1-(2-hydroxyethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899973-46-7
N-(2-ethoxyphenyl)-2-((1-(2-hydroxyethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899742-83-7
N-(benzo[d][1,3]dioxol-5-yl)-2-((1-(2-hydroxyethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 941978-97-8
N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-((1-(2-hydroxyethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899977-17-4
1-(2-hydroxyethyl)-4-((pyridin-3-ylmethyl)thio)-6,7-dihydro-1H-cyclopenta[d]pyrimidin-2(5H)-one 941979-00-6
1-(2-hydroxyethyl)-4-((3-(trifluoromethyl)benzyl)thio)-6,7-dihydro-1H-cyclopenta[d]pyrimidin-2(5H)-one 920164-86-9
1-(2-hydroxyethyl)-4-((pyridin-4-ylmethyl)thio)-6,7-dihydro-1H-cyclopenta[d]pyrimidin-2(5H)-one 941979-06-2
N-benzyl-2-((1-(2-hydroxyethyl)-2-oxo-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)acetamide 941888-04-6
1-(2-hydroxyethyl)-4-((pyridin-3-ylmethyl)thio)-5,6,7,8-tetrahydroquinazolin-2(1H)-one 899743-01-2
1-(2-hydroxyethyl)-4-((2-(indolin-1-yl)-2-oxoethyl)thio)-5,6,7,8-tetrahydroquinazolin-2(1H)-one 899977-32-3
N-methyl-3-amino-3-methyl-butyramide 128131-05-5
2-((1-(3-hydroxypropyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)-N-(3-methoxyphenyl)acetamide 899977-40-3
2-((1-(3-hydroxypropyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)-N-(4-methoxyphenyl)acetamide 899973-79-6
N-(4-fluorobenzyl)-2-((1-(3-hydroxypropyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 899973-82-1
N-(3-fluorophenyl)-2-((1-(3-hydroxypropyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide 941979-30-2

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