51105-55-6

Basic information

• Product Name: 1H-Pyrazole, 4-methyl-3-(phenylsulfonyl)-
• CAS NO: 51105-55-6
• Molecular Formula: C10H10N2O2S
• Molecular Weight: 222.268
• Mol File: 51105-55-6.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: 1H-Pyrazole, 4-methyl-3-(phenylsulfonyl)-(CAS DataBase Reference)
• NIST Chemistry Reference: 1H-Pyrazole, 4-methyl-3-(phenylsulfonyl)-(51105-55-6)
• EPA Substance Registry System: 1H-Pyrazole, 4-methyl-3-(phenylsulfonyl)-(51105-55-6)

Safety Data

• Hazardous Substances Data: 51105-55-6(Hazardous Substances Data)

Upstream product

• 186581-53-3 diazomethane 
• 2525-42-0 phenylsulfonylpropa-1,2-diene 
• 51445-25-1 4,5-dihydro-4-methylene-3-(phenylsulfonyl)-1H-pyrazole 

Relevant articles and documents

Cycloaddition of (Phenylsulfonyl)-1,2-propadienes with Diazomethane. Novel Rearrangement Reactions of the Resulting Cycloadducts

The cycloaddition reactions of several phenylsulfonyl-substituted allenes with diazomethane have been investigated.The major products formed were identified as 3-(phenylsulfonyl)-4-methylene-2-pyrazolines.These pyrazolines engage in a variety of mechanist