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-(2-(Ethylthio)benzoyl)piperidin-4-yl)oxy)nicotinonitrile 1797957-41-5
4-((3-cyanopyridin-2-yl)oxy)-N-(thiophen-2-ylmethyl)piperidine-1-carboxamide 1797127-94-6
4-((3-cyanopyridin-2-yl)oxy)-N-(2-(trifluoromethyl)phenyl)piperidine-1-carboxamide 1797754-72-3
N-(2-hydroxy-2-(4-(methylthio)phenyl)ethyl)naphthalene-1-sulfonamide 1448131-15-4
4-(morpholinosulfonyl)-N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)benzamide 1396863-02-7
N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)-5,6,7,8-tetrahydronaphthalene-2-sulfonamide 1396791-61-9
methyl 3-(N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)sulfamoyl)thiophene-2-carboxylate 1396879-49-4
N-(2-(3-(1H-imidazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-3-chloro-4-fluorobenzenesulfonamide 1396792-03-2
N-(4-(N-(2-hydroxy-2-(4-(methylthio)phenyl)ethyl)sulfamoyl)phenyl)isobutyramide 1448128-67-3
2-(2-fluorophenoxy)-N-(4-(4-methyl-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)acetamide 1396805-25-6
1-benzhydryl-3-(4-(4-methyl-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)urea 1396876-05-3
N-([1,1'-biphenyl]-2-yl)-6-(3,5-dimethyl-1H-pyrazol-1-yl)pyridazine-3-carboxamide 1351642-38-0
N1-(5-chloro-2-cyanophenyl)-N2-(2-hydroxy-2-(4-(methylthio)phenyl)ethyl)oxalamide 1448123-25-8
N-(6-chlorobenzo[d]thiazol-2-yl)-6-(3,5-dimethyl-1H-pyrazol-1-yl)pyridazine-3-carboxamide 1351594-72-3
3-Cyclopropoxy-5-methoxy-N,N-dimethylaniline 1243320-93-5
6-(3,5-dimethyl-1H-pyrazol-1-yl)-N-(2-(3-(4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl)ethyl)pyridazine-3-carboxamide 1351618-70-6
6-(3,5-dimethyl-1H-pyrazol-1-yl)-N-(2-(2-(4-methoxyphenyl)thiazol-4-yl)ethyl)pyridazine-3-carboxamide 1351589-03-1
1-(2,4-dimethylphenyl)-N-[1-(3-methyl-1,2,4-oxadiazol-5-yl)cyclohexyl]-5-oxopyrrolidine-3-carboxamide 1421583-83-6
4-Bromo-3-iodo-1H-pyrazole 27258-14-6
1-(1-(3-Phenyl-1,2,4-oxadiazol-5-yl)cyclohexyl)-3-(o-tolyl)urea 1396794-97-0
1-(2-Hydroxy-2-(4-(methylthio)phenyl)ethyl)-3-(thiophen-2-ylmethyl)urea 1448079-41-1
3,4-difluoro-N-(1-(3-phenyl-1,2,4-oxadiazol-5-yl)cyclohexyl)benzenesulfonamide 1396809-26-9
N-[1-(3-pyridin-3-yl-1,2,4-oxadiazol-5-yl)cyclohexyl]-2-furamide 1396854-94-6
N-(1-(3-(pyridin-3-yl)-1,2,4-oxadiazol-5-yl)cyclohexyl)benzo[d][1,3]dioxole-5-carboxamide 1396679-55-2
N-(3-methoxybenzyl)-N'-{1-[3-(3-thienyl)-1,2,4-oxadiazol-5-yl]cyclohexyl}urea 1396680-11-7
2-(4-(2-ethoxyacetamido)phenyl)-2H-tetrazole-5-carboxamide 1396674-81-9
Ethyl 5-(cyclohex-3-ene-1-amido)pyrazolo[1,5-a]pyridine-3-carboxylate 1396868-40-8
2-(2,5-dioxopyrrolidin-1-yl)-N-(furan-3-ylmethyl)-N-(2-methoxyethyl)acetamide 1421529-62-5
(5-Cyclopropoxy-2-ethylpyridin-3-YL)methanamine 1243369-85-8
4-Tert-butoxy-1-cyclopropoxy-2-methylbenzene 1243362-03-9
3-(4-(Tert-butyl)phenyl)-1-(furan-3-ylmethyl)-1-(2-methoxyethyl)urea 1421442-33-2
N-(furan-3-ylmethyl)-4-methoxy-N-(thiophen-2-ylmethyl)benzamide 1421455-79-9
2-chloro-N-(furan-3-ylmethyl)-N-(thiophen-2-ylmethyl)benzamide 1428364-60-6
N-(furan-3-ylmethyl)-4-(2-methoxyphenyl)-N-(thiophen-2-ylmethyl)tetrahydro-2H-pyran-4-carboxamide 1428364-91-3
3-(6-Bromo-4-oxo-3,4-dihydroquinazolin-3-yl)-2,2-dimethylpropanoic acid 1519896-65-1
N-(furan-3-ylmethyl)-N-(thiophen-2-ylmethyl)pyridine-3-sulfonamide 1448027-42-6
N-(furan-3-ylmethyl)-N-(thiophen-2-ylmethyl)thiophene-2-sulfonamide 1428348-31-5
6-{[1-(1-Benzofuran-2-carbonyl)piperidin-4-YL]oxy}pyridine-3-carbonitrile 1421529-14-7
N-(furan-3-ylmethyl)-N-(2-(thiophen-2-yl)ethyl)cinnamamide 1428381-68-3
(E)-N-(furan-3-ylmethyl)-3-(thiophen-2-yl)-N-(2-(thiophen-2-yl)ethyl)acrylamide 1428381-97-8
3-chloro-N-(furan-3-ylmethyl)-N-(2-(thiophen-2-yl)ethyl)benzamide 1421507-92-7
2-(2,5-dioxopyrrolidin-1-yl)-N-(furan-3-ylmethyl)-N-(2-(thiophen-2-yl)ethyl)acetamide 1428380-55-5
3,4-difluoro-N-(furan-3-ylmethyl)-N-(2-(thiophen-2-yl)ethyl)benzamide 1421505-03-4
N-(furan-3-ylmethyl)-N-(2-(thiophen-2-yl)ethyl)benzofuran-2-carboxamide 1421528-08-6
N-(furan-3-ylmethyl)-2-phenyl-N-(2-(thiophen-2-yl)ethyl)butanamide 1421530-17-7
N-(furan-3-ylmethyl)-2-phenoxy-N-(2-(thiophen-2-yl)ethyl)propanamide 1421499-05-9
N-(furan-3-ylmethyl)-2-(methylthio)-N-(2-(thiophen-2-yl)ethyl)benzamide 1421508-03-3
2-(2-fluorophenoxy)-N-(furan-3-ylmethyl)-N-(2-(thiophen-2-yl)ethyl)acetamide 1421512-85-7
N-(furan-3-ylmethyl)-N-(2-(thiophen-2-yl)ethyl)-1-naphthamide 1421489-69-1
N-(furan-3-ylmethyl)-2-methyl-N-(2-(thiophen-2-yl)ethyl)imidazo[1,2-a]pyridine-3-carboxamide 1428358-00-2

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