20933-38-4

Basic information

• Product Name: 4-methyl-2-(5-methyl-2-phenyl-2H-pyrazol-3-yl)-phenol
• CAS NO: 20933-38-4
• Molecular Weight: 264.327
• Mol File: 20933-38-4.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 4-methyl-2-(5-methyl-2-phenyl-2H-pyrazol-3-yl)-phenol(CAS DataBase Reference)
• NIST Chemistry Reference: 4-methyl-2-(5-methyl-2-phenyl-2H-pyrazol-3-yl)-phenol(20933-38-4)
• EPA Substance Registry System: 4-methyl-2-(5-methyl-2-phenyl-2H-pyrazol-3-yl)-phenol(20933-38-4)

Safety Data

• Hazardous Substances Data: 20933-38-4(Hazardous Substances Data)

Upstream product

• 27129-25-5 3-acetyl-2,6-dimethylchromone 
• 77487-89-9 3-cyano-2,6-dimethylchromone 
• 59-88-1 phenylhydrazine hydrochloride 
• 107089-91-8 2,6-dimethyl-4-oxo-4H-chromene-3-carboxylic acid 
• 16636-64-9 1-(2-hydroxy-5-methylphenyl)butane-1,3-dione 
• 100-63-0 phenylhydrazine 

Relevant articles and documents

Benzopyrans: Part XX - 4-Oxo-4H-benzopyran-3-carbonitrile/Carboxylic Acid: Change of Their Reaction Courses by a Methyl Substituent at 2-Position

2-Methyl-4-oxo-4H-benzopyran-3-carbonitriles (1b) and the corresponding carboxylic acids (2b), unlike their 2-unsubstituted analogues (1a) and (2a), give with phenyl hydrazine the hydrazones (6b) and the pyrazoles (13b), respectively.The hydrazones (6b) have been converted into the benzopyranopyrazoles (8b).