98767-57-8

Basic information

• Product Name: 2-(1-Chloro-vinyl)-5-phenyl-2,5-dihydro-pyrazolo[3,4-d]pyridazin-4-one
• CAS NO: 98767-57-8
• Molecular Weight: 272.694
• Mol File: 98767-57-8.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 2-(1-Chloro-vinyl)-5-phenyl-2,5-dihydro-pyrazolo[3,4-d]pyridazin-4-one(CAS DataBase Reference)
• NIST Chemistry Reference: 2-(1-Chloro-vinyl)-5-phenyl-2,5-dihydro-pyrazolo[3,4-d]pyridazin-4-one(98767-57-8)
• EPA Substance Registry System: 2-(1-Chloro-vinyl)-5-phenyl-2,5-dihydro-pyrazolo[3,4-d]pyridazin-4-one(98767-57-8)

Safety Data

• Hazardous Substances Data: 98767-57-8(Hazardous Substances Data)

Upstream product

• 41932-99-4 4-chloro-5-(1-methylhydrazino)-2-phenyl-3(2H)-pyridazinone 
• 98767-49-8 5-(N-Methyl-hydrazino)-2-phenyl-2H-pyridazin-3-one 
• 1698-53-9 4,5-dichloro-1-phenylpyridazin-6-one 

Relevant articles and documents

Synthesis of Pyrazolopyridazines from 5-(1-Methylhydrazino)-pyridazines by Means of the Vilsmeier-Haack Reaction

Reaction of 2-substituted 5-(1-methylhydrazino)-3(2H)-pyridazinones (2a-d) with dimethylformamide-phosphorus oxychloride afforded 5-substituted 1,5-dihydro-1-methyl-4H-pyrazolopyridazin-4-ones (3a-d) in good yields.However, concurrent formation of