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-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)benzo[d][1,3]dioxole-5-carboxamide 1903718-39-7
N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)pyrazine-2-carboxamide 1903605-38-8
1-Cyclohexyl-3-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)urea 1903153-25-2
3-(3,5-dimethyl-1H-pyrazol-1-yl)-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)propanamide 1904021-03-9
N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)cyclopropanecarboxamide 1903278-78-3
N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)methanesulfonamide 1904367-38-9
5-chloro-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)thiophene-2-sulfonamide 1903385-50-1
1-(Furan-2-ylmethyl)-3-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)urea 1903426-19-6
1-(3-Methoxypropyl)-3-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)urea 1904411-68-2
N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)nicotinamide 1903426-25-4
1-Methyl-3-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)urea 1903435-58-4
N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)tetrahydrofuran-2-carboxamide 1903516-00-6
1-methyl-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)-1H-pyrazole-5-carboxamide 1903436-09-8
N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)-1H-indole-4-carboxamide 1904307-67-0
N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)thiophene-3-carboxamide 1903631-93-5
3-chloro-4-fluoro-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)benzamide 1904021-08-4
3-(2-methoxyphenyl)-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)propanamide 1903765-30-9
1-(3-Methoxybenzyl)-3-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)urea 1903419-08-8
2-(pyridin-4-ylthio)-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)acetamide 1903516-05-1
N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)furan-3-carboxamide 1903765-35-4
3-fluoro-4-methoxy-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)benzamide 1904367-43-6
1-methyl-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)-1H-indazole-3-carboxamide 1904198-32-8
2-(4-fluorophenoxy)-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)acetamide 1903718-46-6
1-phenyl-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)cyclopropanecarboxamide 1903419-12-4
2,6-dimethoxy-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)nicotinamide 1903157-16-3
2-chloro-6-fluoro-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)benzamide 1903041-41-7
4-chloro-1-ethyl-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)-1H-pyrazole-3-carboxamide 1903278-87-4
N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)cyclopropanesulfonamide 1904198-37-3
N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)-3-(trifluoromethyl)benzamide 1903157-20-9
1,2-dimethyl-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)-1H-imidazole-4-sulfonamide 1903041-52-0
3,5-dimethyl-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)isoxazole-4-sulfonamide 1904179-10-7
Dimethyl({[6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]methyl}sulfamoyl)amine 1904411-85-3
5-methyl-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)thiophene-2-sulfonamide 1903605-45-7
2-fluoro-N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)benzenesulfonamide 1903719-28-7
N-((6-(thiophen-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)-2,3-dihydrobenzofuran-5-sulfonamide 1903419-15-7
2-(1H-indol-3-yl)-N-((3-(1-methyl-1H-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-oxoacetamide 1904198-50-0
N-(4-methyl-2-(N-((3-(1-methyl-1H-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)methyl)sulfamoyl)phenyl)acetamide 1904412-08-3
N-((3-(1-methyl-1H-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)methyl)tetrahydrofuran-2-carboxamide 1903419-41-9
2-(5-Methylpyridazin-3-yl)propan-2-ol 1800399-53-4
1-(2-methoxyphenyl)-5-methyl-N-(2-(3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)-1H-1,2,3-triazole-4-carboxamide 1904302-20-0
N-(2-(3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)-3-(3-(o-tolyl)-1,2,4-oxadiazol-5-yl)propanamide 1903386-28-6
5-oxo-N-(2-(3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)-1-(2-(thiophen-2-yl)ethyl)pyrrolidine-3-carboxamide 1903875-86-4
1-methyl-2-oxo-N-(2-(3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)-1,2-dihydropyridine-3-carboxamide 1903843-60-6
N-(2-(3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)pent-4-enamide 1903766-13-1
1-methyl-N-(2-(3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)-3-phenyl-1H-pyrazole-5-carboxamide 1904302-25-5
2-(benzylthio)-N-(2-(3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)acetamide 1903437-28-4
2,4-dimethyl-N-(2-(3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)thiazole-5-carboxamide 1904021-49-3
4-methyl-N-(2-(3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)-1,2,3-thiadiazole-5-carboxamide 1903843-64-0
2-(4-(isopropylthio)phenyl)-N-(2-(3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)acetamide 1903154-24-4
N-(2-(3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)-4-phenyltetrahydro-2H-pyran-4-carboxamide 1903843-70-8

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