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
2,6-difluoro-N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)benzamide 897614-15-2
3,4-difluoro-N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)benzamide 897614-16-3
N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)-4-(trifluoromethyl)benzamide 897614-17-4
N-[3-(6-methanesulfonylpyridazin-3-yl)phenyl]-3-(trifluoromethyl)benzamide 897614-18-5
N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)benzo[d][1,3]dioxole-5-carboxamide 897614-19-6
2-(4-chlorophenyl)-N-[3-(6-methanesulfonylpyridazin-3-yl)phenyl]acetamide 897614-20-9
N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)-2-(thiophen-2-yl)acetamide 897614-22-1
2,4-dimethoxy-N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)benzamide 897614-23-2
N-[3-(6-methanesulfonylpyridazin-3-yl)phenyl]-3-(4-methoxyphenyl)propanamide 897614-24-3
N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)-2-(trifluoromethyl)benzamide 897614-25-4
N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)-2-phenoxyacetamide 897614-26-5
2-(4-chlorophenoxy)-N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)acetamide 897614-27-6
2-methoxy-N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)acetamide 897614-28-7
N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)-2-(m-tolyl)acetamide 897614-29-8
2-(4-fluorophenyl)-N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)acetamide 897614-30-1
2-(4-ethoxyphenyl)-N-[3-(6-methanesulfonylpyridazin-3-yl)phenyl]acetamide 897614-31-2
2-(3,4-dimethoxyphenyl)-N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)acetamide 897614-32-3
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(3,4-dimethoxyphenethyl)acetamide 895017-55-7
2,4-difluoro-N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)benzamide 897614-33-4
N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)-2-oxo-2H-chromene-3-carboxamide 897614-34-5
N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)-2-(naphthalen-2-yloxy)acetamide 897614-36-7
2-ethoxy-N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)nicotinamide 897614-38-9
N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)quinoline-2-carboxamide 897614-40-3
N-(3-([1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl)-3-(trifluoromethyl)benzenesulfonamide 891124-39-3
2-(4-oxo-1-(o-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(2-(trifluoromethyl)phenyl)acetamide 895010-46-5
2-[1-(2-methylphenyl)-4-oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-5-yl]-N-[3-(trifluoromethyl)phenyl]acetamide 895010-53-4
2-(4-oxo-1-(o-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(4-(trifluoromethyl)phenyl)acetamide 895010-60-3
2-(4-oxo-1-(o-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(4-(trifluoromethoxy)phenyl)acetamide 895010-67-0
N-(3,4-dichlorophenyl)-2-(4-oxo-1-(o-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamide 895014-22-9
N-(2-chloro-5-(trifluoromethyl)phenyl)-2-(4-oxo-1-(o-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamide 895014-40-1
1-(3-chlorophenyl)-5-(2-oxo-2-(4-phenylpiperazin-1-yl)ethyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one 887457-37-6
5-(2-(4-benzylpiperidin-1-yl)-2-oxoethyl)-1-(3-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one 887457-41-2
1-(3-chlorophenyl)-5-(2-(3,4-dihydroquinolin-1(2H)-yl)-2-oxoethyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one 887457-44-5
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(naphthalen-1-yl)acetamide 887457-54-7
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-mesitylacetamide 895015-74-4
N-(4-butylphenyl)-2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamide 895015-81-3
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(2,4-difluorophenyl)acetamide 895015-88-0
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(2-ethoxyphenyl)acetamide 895016-02-1
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(4-ethoxyphenyl)acetamide 895016-08-7
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(2,5-dimethoxyphenyl)acetamide 895016-20-3
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(3,4-dimethoxyphenyl)acetamide 895016-26-9
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide 895016-38-3
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(2-(trifluoromethyl)phenyl)acetamide 895016-44-1
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(3-(trifluoromethyl)phenyl)acetamide 895016-50-9
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(4-(trifluoromethyl)phenyl)acetamide 895016-56-5
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(3-nitrophenyl)acetamide 895016-68-9
2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(4-nitrophenyl)acetamide 895016-74-7
ethyl 2-(2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamido)benzoate 895016-80-5
ethyl 4-(2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamido)benzoate 895016-87-2
methyl 4-(2-(1-(3-chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamido)benzoate 895016-94-1

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