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
Ethyl 2,5-difluoroisonicotinate 1214387-10-6
N-(1-Ethyl-1H-pyrazol-4-yl)benzo[d]thiazol-2-amine 1155576-49-0
4,6-dimethyl-N-(1-methyl-1H-pyrazol-4-yl)pyrimidin-2-amine 1153208-24-2
N-(1-phenylcyclohexyl)-2-ethoxyethanamine 1072895-05-6
(2-(1-ethyl-1H-indol-2-yl)thiazol-4-yl)(4-hydroxypiperidin-1-yl)methanone 1170434-46-4
2-(3,4-dimethoxyphenyl)-N-(6-((2-oxo-2-(pyrrolidin-1-yl)ethyl)thio)pyridazin-3-yl)acetamide 1021225-83-1
4-(N,N-dimethylsulfamoyl)-N-(6-((2-oxo-2-(pyrrolidin-1-yl)ethyl)thio)pyridazin-3-yl)benzamide 1021225-86-4
Ethyl 1-(4-((6-acetamidopyridazin-3-yl)thio)butanoyl)piperidine-4-carboxylate 1105247-34-4
Ethyl 4-(4-((6-acetamidopyridazin-3-yl)thio)butanoyl)piperazine-1-carboxylate 1105247-42-4
N-(6-((4-oxo-4-(4-phenylpiperazin-1-yl)butyl)thio)pyridazin-3-yl)acetamide 1105209-78-6
N-(6-((4-(4-(2-chlorophenyl)piperazin-1-yl)-4-oxobutyl)thio)pyridazin-3-yl)acetamide 1105247-63-9
N-(6-((4-(4-(3-chlorophenyl)piperazin-1-yl)-4-oxobutyl)thio)pyridazin-3-yl)acetamide 1105209-94-6
N-(6-((4-(indolin-1-yl)-4-oxobutyl)thio)pyridazin-3-yl)acetamide 1105247-70-8
4-[(6-acetamidopyridazin-3-yl)sulfanyl]-N-(1,3-thiazol-2-yl)butanamide 1105247-92-4
4-((6-acetamidopyridazin-3-yl)thio)-N-(3-chloro-4-fluorophenyl)butanamide 1021225-96-6
4-((6-acetamidopyridazin-3-yl)thio)-N-(4-(trifluoromethyl)phenyl)butanamide 1021253-40-6
4-((6-acetamidopyridazin-3-yl)thio)-N-(4-(trifluoromethoxy)phenyl)butanamide 1105248-08-5
4-((6-acetamidopyridazin-3-yl)thio)-N-(5-chloro-2-methoxyphenyl)butanamide 1040647-81-1
4-((6-acetamidopyridazin-3-yl)thio)-N-(2,5-difluorophenyl)butanamide 1105248-24-5
4-((6-acetamidopyridazin-3-yl)thio)-N-(quinolin-3-yl)butanamide 1105210-58-9
4-((6-acetamidopyridazin-3-yl)thio)-N-(3-methylisoxazol-5-yl)butanamide 1105248-40-5
4-((6-acetamidopyridazin-3-yl)thio)-N-cyclopropylbutanamide 1105210-73-8
N-(5-acetamido-2-methoxyphenyl)-4-((6-acetamidopyridazin-3-yl)thio)butanamide 1105210-81-8
4-((6-acetamidopyridazin-3-yl)thio)-N-(4-sulfamoylphenyl)butanamide 1105248-56-3
N-(6-((4-(4-benzylpiperidin-1-yl)-4-oxobutyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1021253-43-9
Ethyl 1-(4-((6-(cyclopropanecarboxamido)pyridazin-3-yl)thio)butanoyl)piperidine-4-carboxylate 1040647-91-3
N-(6-((4-(4-(2-fluorophenyl)piperazin-1-yl)-4-oxobutyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1105248-72-3
N-(6-((4-oxo-4-((pyridin-3-ylmethyl)amino)butyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1040648-16-5
N-(6-((4-((2-fluorophenyl)amino)-4-oxobutyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1021226-04-9
N-(6-((4-((3,4-difluorophenyl)amino)-4-oxobutyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1040648-26-7
N-(6-((4-oxo-4-(pyridin-3-ylamino)butyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1040648-41-6
N-(6-((4-((6-methylpyridin-2-yl)amino)-4-oxobutyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1105248-80-3
N-(6-((4-((4-methylthiazol-2-yl)amino)-4-oxobutyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1021226-06-1
N-(6-((4-(cycloheptylamino)-4-oxobutyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1105248-88-1
N-(6-((4-((2-chlorophenyl)amino)-4-oxobutyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1040648-51-8
N-(6-((4-oxo-4-((4-(trifluoromethyl)phenyl)amino)butyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1040648-57-4
benzyl N-[2-[(2-methylpropan-2-yl)oxycarbonylamino]spiro[3.3]heptan-6-yl]carbamate 1239589-53-7
N-(6-((4-((3,4-dichlorophenyl)amino)-4-oxobutyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1040648-62-1
N-(6-((4-oxo-4-(quinolin-3-ylamino)butyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1040648-72-3
N-(6-((4-oxo-4-((4-sulfamoylphenyl)amino)butyl)thio)pyridazin-3-yl)cyclopropanecarboxamide 1105249-03-3
N-(6-((4-(methyl(1-methylpiperidin-4-yl)amino)-4-oxobutyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1040648-77-8
N-(6-((4-((furan-2-ylmethyl)amino)-4-oxobutyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1021226-14-1
N-(6-((4-oxo-4-((thiophen-2-ylmethyl)amino)butyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1040648-87-0
N-(6-((4-((2-fluorophenyl)amino)-4-oxobutyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1040648-92-7
6-(4-Ethylphenyl)-2-pyridinamine 1159817-54-5
N-(6-((4-oxo-4-(quinolin-3-ylamino)butyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1040649-32-8
1-(4-((6-(Thiophene-2-carboxamido)pyridazin-3-yl)thio)butanoyl)piperidine-4-carboxamide 1040649-36-2
N-(6-((4-((4-carbamoylphenyl)amino)-4-oxobutyl)thio)pyridazin-3-yl)thiophene-2-carboxamide 1040649-40-8
N-(6-((4-((2-methoxyethyl)amino)-4-oxobutyl)thio)pyridazin-3-yl)furan-2-carboxamide 1040649-44-2
N-(6-((4-((benzo[d][1,3]dioxol-5-ylmethyl)amino)-4-oxobutyl)thio)pyridazin-3-yl)furan-2-carboxamide 1040649-53-3

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