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-(3-(3,5-dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-(2-fluorophenoxy)propanamide 1396847-62-3
(2-Fluoro-5-(isobutylcarbamoyl)phenyl)boronic acid 2096339-96-5
N-(2-(3-(3,5-dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)propanamide 1351630-59-5
3(4H)-Quinazolinepropanamide, N-[2-[3-(3,5-dimethyl-1H-pyrazol-1-yl)-6-oxo-1(6H)-pyridazinyl]ethyl]-4-oxo- 1351647-39-6
N-(2-(3-(3,5-dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2,6-difluorobenzamide 1351604-81-3
N-(2-(3-(1H-imidazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2,4-difluorobenzamide 1396879-58-5
N-(2-(3-(1H-imidazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-(4-chloro-3-methylphenoxy)acetamide 1396709-89-9
N-{2-[3-(1H-imidazol-1-yl)-6-oxo-1,6-dihydropyridazin-1-yl]ethyl}-1-methanesulfonylpiperidine-4-carboxamide 1396791-69-7
3-Cyclopropoxy-N,N-dimethyl-5-nitropyridin-2-amine 1243281-76-6
3-[3-Chloro-4-(difluoromethoxy)phenyl]prop-2-enoic acid 1251450-97-1
N-(2-(3-(3,5-dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonamide 1351610-36-0
N-(2-(3-(1H-imidazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-5-chlorothiophene-2-sulfonamide 1396847-71-4
N-(3-Cyclopropoxy-5-isopropoxyphenyl)methanesulfonamide 1243391-98-1
2-(5-Bromo-2-furanyl)pyrrolidine 383127-34-2
N-(4-(4-methyl-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)benzo[d]thiazole-2-carboxamide 1396880-45-7
5-Cyclopropoxy-N3,N3-dimethylpyridine-2,3-dicarboxamide 1243454-30-9
4-methyl-N-(4-(4-methyl-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)thiophene-2-carboxamide 1396880-55-9
1-(2-methoxyphenyl)-3-(4-(4-methyl-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)urea 1396798-08-5
1-(2-methoxybenzyl)-2-methyl-1H-benzo[d]imidazole hydrochloride 1351644-16-0
N-(4-(4-methyl-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)-1-phenylmethanesulfonamide 1396749-40-8
2-fluoro-N-(4-(4-methyl-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)benzenesulfonamide 1396847-13-4
3-methoxy-N-(4-(4-methyl-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)benzenesulfonamide 1396683-42-3
4-(4-Aminopiperidin-1-yl)-3-chloropyridine 1537734-64-7
N-(4-(4-(2-methoxyethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)-2-(thiophen-2-yl)acetamide 1396847-18-9
N-(4-(4-(2-methoxyethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)-4-methyl-1,2,3-thiadiazole-5-carboxamide 1396798-31-4
N-{4-[4-(2-methoxyethyl)-5-oxo-4,5-dihydro-1H-1,2,3,4-tetrazol-1-yl]phenyl}-4-(trifluoromethoxy)benzamide 1396711-64-0
1-(benzo[d][1,3]dioxol-5-yl)-3-(4-(4-(2-methoxyethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)urea 1396798-38-1
3-{4-[4-(2-methoxyethyl)-5-oxo-4,5-dihydro-1H-1,2,3,4-tetrazol-1-yl]phenyl}-1-[3-(trifluoromethyl)phenyl]urea 1396806-06-6
N-(4-(4-(2-methoxyethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)propane-1-sulfonamide 1396881-18-7
N-(4-(4-(2-amino-2-oxoethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)-3-(trifluoromethyl)benzamide 1396568-44-7
N-(4-(4-(2-amino-2-oxoethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)-2-ethoxy-1-naphthamide 1396815-46-5
N-(4-(4-(2-amino-2-oxoethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)-2-(benzylthio)acetamide 1396683-87-6
N-{4-[4-(carbamoylmethyl)-5-oxo-4,5-dihydro-1H-1,2,3,4-tetrazol-1-yl]phenyl}-1-(4-chlorophenyl)cyclopentane-1-carboxamide 1396712-05-2
N-(4-(4-(2-amino-2-oxoethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)-1-(4-fluorophenyl)-5-oxopyrrolidine-3-carboxamide 1396864-68-8
N-(4-(4-(2-amino-2-oxoethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)-1-(3,4-dimethylphenyl)-5-oxopyrrolidine-3-carboxamide 1396876-64-4
N-(4-(4-(2-amino-2-oxoethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)-3-(4-methoxyphenyl)propanamide 1396806-12-4
N-(4-(4-(2-amino-2-oxoethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)pyrazine-2-carboxamide 1396847-39-4
2-{4-[4-(3,4-dimethoxybenzenesulfonamido)phenyl]-5-oxo-4,5-dihydro-1H-1,2,3,4-tetrazol-1-yl}acetamide 1396881-62-1
2-(5-oxo-4-(4-(phenylmethylsulfonamido)phenyl)-4,5-dihydro-1H-tetrazol-1-yl)acetamide 1396683-96-7
2-(4-(4-(5-fluoro-2-methoxyphenylsulfonamido)phenyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)acetamide 1396712-30-3
4-Cyclopropoxy-5-ethylpyridine-3-sulfonamide 1243444-86-1
2-(4-fluorophenyl)-N-(4-(4-(2-(methylamino)-2-oxoethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)acetamide 1396751-36-2
N-(4-(4-(2-(methylamino)-2-oxoethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)benzofuran-2-carboxamide 1396881-77-8
3-methoxy-1-methyl-N-(4-(4-(2-(methylamino)-2-oxoethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)-1H-pyrazole-4-carboxamide 1396712-42-7
N-(4-(4-(2-(methylamino)-2-oxoethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)-3-(phenylsulfonyl)propanamide 1396881-88-1
N-(4-(4-(2-(methylamino)-2-oxoethyl)-5-oxo-4,5-dihydro-1H-tetrazol-1-yl)phenyl)-1-(thiophen-2-yl)cyclopentanecarboxamide 1396684-04-0
1-(3-ethoxy-4-prop-2-enoxyphenyl)-2-(pyridin-4-ylmethyl)-4a,5,6,7,8,8a-hexahydro-1H-chromeno[2,3-c]pyrrole-3,9-dione 866237-38-9
N-methyl-2-(5-oxo-4-(4-(3-(4-(trifluoromethyl)phenyl)ureido)phenyl)-4,5-dihydro-1H-tetrazol-1-yl)acetamide 1396847-41-8
N-cyclopropyl-2-(5-oxo-4-(4-(2-(o-tolyloxy)acetamido)phenyl)-4,5-dihydro-1H-tetrazol-1-yl)acetamide 1396864-83-7
N-[4-(aminomethyl)phenyl]-6-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine 1204400-74-7

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