2-Phenyl-2H-pyrazole-3(4H)-one

Modify Date: 2024-01-10 18:58:23

2-Phenyl-2H-pyrazole-3(4H)-one Structure
2-Phenyl-2H-pyrazole-3(4H)-one structure
Common Name 2-Phenyl-2H-pyrazole-3(4H)-one
CAS Number 876-92-6 Molecular Weight 160.17300
Density N/A Boiling Point N/A
Molecular Formula C9H8N2O Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 2-phenyl-4H-pyrazol-3-one
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C9H8N2O
Molecular Weight 160.17300
Exact Mass 160.06400
PSA 32.67000
LogP 0.90970

 Safety Information

HS Code 2933199090

 Synthetic Route

~38%

2-Phenyl-2H-pyrazole-3(4H)-one Structure

2-Phenyl-2H-pyr...

CAS#:876-92-6

Literature: PFIZER PRODUCTS INC. Patent: WO2008/23235 A1, 2008 ; Location in patent: Page/Page column 30 ;

~36%

2-Phenyl-2H-pyrazole-3(4H)-one Structure

2-Phenyl-2H-pyr...

CAS#:876-92-6

Literature: Sanofi Patent: US5750550 A1, 1998 ;

~72%

2-Phenyl-2H-pyrazole-3(4H)-one Structure

2-Phenyl-2H-pyr...

CAS#:876-92-6

Literature: Guillou, Sandrine; Janin, Yves L. Chemistry - A European Journal, 2010 , vol. 16, # 15 p. 4669 - 4677

 Precursor & DownStream

Precursor  1

DownStream  1

 Customs

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1-phenylpyrazolin-5-one
1-phenyl-2-pyrazolin-5-one
2,4-dihydro-2-phenyl-3H-pyrazol-3-one
QC-4512
2-phenyl-2,4-dihydro-pyrazol-3-one