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-(3-Chlorobenzoyl)-3-(2,3-dihydro-1-benzofuran-5-yl)pyrrolidine 2097872-54-1
Methyl 4-[3-(2,3-dihydro-1-benzofuran-5-yl)pyrrolidine-1-carbonyl]benzoate 2097909-68-5
2-(2-Chloro-6-fluorophenyl)-1-[3-(2,3-dihydro-1-benzofuran-5-yl)pyrrolidin-1-yl]ethan-1-one 2097909-95-8
3-(2,3-Dihydro-1-benzofuran-5-yl)-1-(3-fluoro-4-methoxybenzoyl)pyrrolidine 2097883-36-6
1-(1-Benzothiophene-2-carbonyl)-3-(2,3-dihydro-1-benzofuran-5-yl)pyrrolidine 2097912-05-3
3-(2,3-Dihydro-1-benzofuran-5-yl)-1-(oxane-4-carbonyl)pyrrolidine 2097863-07-3
3-(2,3-Dihydro-1-benzofuran-5-yl)-1-(2-methoxy-4,5-dimethylbenzenesulfonyl)pyrrolidine 2097918-48-2
1-{2-chloro-4H,5H,6H,7H-thieno[3,2-c]pyridin-5-yl}-2-methyl-1-oxopropan-2-yl acetate 2097901-91-0
4-[4-({2-chloro-4H,5H,6H,7H-thieno[3,2-c]pyridin-5-yl}sulfonyl)phenyl]-2-methyl-1,3-oxazole 2097917-45-6
1,3,5-trimethyl-N-{[1-(oxolan-3-yl)piperidin-4-yl]methyl}-1H-pyrazole-4-sulfonamide 2097920-35-7
N-[(thiophen-2-yl)(thiophen-3-yl)methyl]pent-4-enamide 2097925-05-6
3-(2-bromophenyl)-N-[(thiophen-2-yl)(thiophen-3-yl)methyl]propanamide 2097936-99-5
3,3,3-trifluoro-N-[(thiophen-2-yl)(thiophen-3-yl)methyl]propane-1-sulfonamide 2097868-44-3
4-tert-butyl-2-oxo-N-(4,5,6,7-tetrahydro-2,1-benzoxazol-3-yl)pyrrolidine-3-carboxamide 2097920-66-4
4-tert-butyl-2-oxo-N-phenylpyrrolidine-3-carboxamide 2097916-45-3
4-tert-butyl-N-(3-chlorophenyl)-2-oxopyrrolidine-3-carboxamide 2097934-50-2
4-tert-butyl-N-(6-methylpyridin-2-yl)-2-oxopyrrolidine-3-carboxamide 2097902-70-8
4-tert-butyl-N-(1,2-oxazol-3-yl)-2-oxopyrrolidine-3-carboxamide 2097868-91-0
4-tert-butyl-N-[(2,6-difluorophenyl)methyl]-2-oxopyrrolidine-3-carboxamide 2097920-74-4
4-tert-butyl-N-[4-(carbamoylmethyl)-1,3-thiazol-2-yl]-2-oxopyrrolidine-3-carboxamide 2097920-79-9
4-Tert-butyl-3-[4-(2-hydroxyphenyl)piperazine-1-carbonyl]pyrrolidin-2-one 2097895-59-3
1-(4-Tert-butyl-2-oxopyrrolidine-3-carbonyl)-4-phenylpiperidine-4-carbonitrile 2097894-38-5
3-{2-Oxa-5-azabicyclo[2.2.1]heptan-5-yl}pyrazine-2-carbonitrile 1854504-78-1
N,N-dimethyl-6-{2-thia-5-azabicyclo[2.2.1]heptane-5-carbonyl}pyridazin-3-amine 2097861-51-1
5-[(1-methyl-1H-pyrazol-4-yl)sulfonyl]-2-thia-5-azabicyclo[2.2.1]heptane 2097926-52-6
1-(1,3-dimethyl-1H-pyrazole-5-carbonyl)-4-{9-methyl-7H,8H,9H,10H-pyrazino[1,2-b]indazol-1-yl}piperazine 2097921-57-6
N-{1,6-dimethyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl}-1-(5,6,7,8-tetrahydroquinazolin-4-yl)piperidin-4-amine 2097926-56-0
N-{[3-(1-methyl-1H-pyrazol-4-yl)-1,2,4-oxadiazol-5-yl]methyl}morpholine-4-sulfonamide 2097926-65-1
2-Methyl-4-[4-(2-methylpyrimidin-4-yl)piperazin-1-yl]-6-(trifluoromethyl)pyrimidine 2097937-04-5
4-[4-(5-Bromothiophene-2-carbonyl)piperazin-1-yl]-2-methyl-6-(trifluoromethyl)pyrimidine 2097903-32-5
6-cyclobutyl-N-{1-[6-(trifluoromethyl)pyrimidin-4-yl]piperidin-4-yl}pyrimidin-4-amine 2034466-23-2
4-{4-[1-(4-Fluorophenyl)cyclopropanecarbonyl]piperazin-1-yl}-6-(trifluoromethyl)pyrimidine 2097903-35-8
4-(4-{[1,2,4]Triazolo[4,3-b]pyridazin-6-yl}piperazin-1-yl)-6-(trifluoromethyl)pyrimidine 2034516-91-9
4-(4-{3-Methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}piperazin-1-yl)-6-(trifluoromethyl)pyrimidine 2097869-03-7
4-{4-[(2,5-Difluorophenyl)methyl]piperazin-1-yl}-6-(trifluoromethyl)pyrimidine 2097857-19-5
4-Methoxy-2-{4-[6-(trifluoromethyl)pyrimidin-4-yl]piperazin-1-yl}pyrimidine 2034466-65-2
4-(4-{3-Methyl-[1,2,4]triazolo[4,3-a]pyrazin-8-yl}piperazin-1-yl)-6-(trifluoromethyl)pyrimidine 2034517-30-9
N-[1-(5,6,7,8-tetrahydrocinnolin-3-yl)piperidin-4-yl]pyrimidin-2-amine 2097901-85-2
N-{[6-(trifluoromethyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridin-3-yl]methyl}-5,6,7,8-tetrahydroquinazolin-4-amine 2097921-09-8
N-[2-(4-oxo-3,4-dihydro-1,2,3-benzotriazin-3-yl)ethyl]-2,3-dihydro-1,4-benzodioxine-6-sulfonamide 2097926-90-2
N-[2-(7-chloro-3-oxo-2,3,4,5-tetrahydro-1,4-benzoxazepin-4-yl)ethyl]-1-methylpiperidine-3-carboxamide 2034332-19-7
3-cyano-N-[(oxan-4-yl)(thiophen-2-yl)methyl]benzamide 2097871-98-0
4-(dimethylamino)-N-[(oxan-4-yl)(thiophen-2-yl)methyl]benzamide 2097912-42-8
Methyl 4-{[(oxan-4-yl)(thiophen-2-yl)methyl]carbamoyl}benzoate 2097869-21-9
N-[(oxan-4-yl)(thiophen-2-yl)methyl]-1,3-thiazole-4-carboxamide 2097858-92-7
3-({5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)-1-(thiophene-3-carbonyl)azetidine 2097869-41-3
4-Methyl-5-[3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidine-1-carbonyl]-1,2,3-thiadiazole 2097858-97-2
1-(2,3-Dihydro-1,4-benzodioxine-2-carbonyl)-3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidine 2097897-19-1
1-(7-Methoxy-1-benzofuran-2-carbonyl)-3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidine 2097923-11-8
2-[(2,2-Dimethyl-2,3-dihydro-1-benzofuran-7-yl)oxy]-1-[3-({5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}oxy)azetidin-1-yl]ethan-1-one 2097921-23-6

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