1-benzyl-3-methyl-2-pyrazolin-5-on

Modify Date: 2025-08-25 09:29:21

1-benzyl-3-methyl-2-pyrazolin-5-on Structure
1-benzyl-3-methyl-2-pyrazolin-5-on structure
Common Name 1-benzyl-3-methyl-2-pyrazolin-5-on
CAS Number 946-23-6 Molecular Weight 188.22600
Density 1.14g/cm3 Boiling Point 304.7ºC at 760 mmHg
Molecular Formula C11H12N2O Melting Point N/A
MSDS N/A Flash Point 138.1ºC

 Names

Name 2-benzyl-5-methyl-4H-pyrazol-3-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.14g/cm3
Boiling Point 304.7ºC at 760 mmHg
Molecular Formula C11H12N2O
Molecular Weight 188.22600
Flash Point 138.1ºC
Exact Mass 188.09500
PSA 32.67000
LogP 1.16830
Index of Refraction 1.593
InChIKey MEDQPHZEAUFCTK-UHFFFAOYSA-N
SMILES CC1=NN(Cc2ccccc2)C(=O)C1

 Safety Information

HS Code 2933199090

 Synthetic Route

~77%

1-benzyl-3-methyl-2-pyrazolin-5-on Structure

1-benzyl-3-meth...

CAS#:946-23-6

Literature: Duffy; Darcy; Delorme; Dillon; Eppley; Erickson-Miller; Giampa; Hopson; Huang; Keenan; Lamb; Leong; Liu; Miller; Price; Rosen; Shah; Shaw; Smith; Stark; Tian; Tyree; Wiggall; Zhang; Luengo Journal of Medicinal Chemistry, 2001 , vol. 44, # 22 p. 3730 - 3745

 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-benzyl-3-methyl-5-pyrazolone
2-benzyl-5-methyl-2,4-dihydropyrazol-3-one
1-Benzyl-3-methylpyrazolone-5
2-Benzyl-5-methyl-2H-pyrazol-3-ol
2-benzyl-5-methyl-1,2-dihydro-pyrazol-3-one
EINECS 213-416-4
2-Benzyl-2,4-dihydro-5-methyl-3H-pyrazol-3-one
2,4-dihydro-2-benzyl-5-methyl-3H-pyrazol-3-one
2-benzyl-1,2-dihydro-5-methyl-3H-pyrazol-3-one
2-benzyl-5-methyl-2,4-dihydro-3H-pyrazol-3-one
1-Benzyl-3-methylpyrazolin-5-one
2-Pyrazolin-5-one,1-benzyl-3-methyl
1-benzyl-3-methyl-2-pyrazolin-5-one
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