3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-[3-(trifluoromethyl)phenyl]-

Modify Date: 2025-09-25 12:59:48

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-[3-(trifluoromethyl)phenyl]- Structure
3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-[3-(trifluoromethyl)phenyl]- structure
Common Name 3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-[3-(trifluoromethyl)phenyl]-
CAS Number 321-05-1 Molecular Weight 242.19700
Density 1.35g/cm3 Boiling Point 346.4ºC at 760mmHg
Molecular Formula C11H9F3N2O Melting Point N/A
MSDS N/A Flash Point 163.3ºC

 Names

Name 5-methyl-2-[3-(trifluoromethyl)phenyl]-4H-pyrazol-3-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.35g/cm3
Boiling Point 346.4ºC at 760mmHg
Molecular Formula C11H9F3N2O
Molecular Weight 242.19700
Flash Point 163.3ºC
Exact Mass 242.06700
PSA 32.67000
LogP 2.31860
Index of Refraction 1.538
InChIKey FLRFRVFQDVMRPE-UHFFFAOYSA-N
SMILES CC1=NN(c2cccc(C(F)(F)F)c2)C(=O)C1

 Safety Information

HS Code 2933199090

 Synthetic Route

~75%

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-[3-(trifluoromethyl)phenyl]- Structure

3H-Pyrazol-3-on...

CAS#:321-05-1

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

 Precursor & DownStream

Precursor  2

DownStream  0

 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

3-methyl-1-(3-trifluoromethylphenyl)-3-pyrazolin-5-one
5-methyl-2-(3-trifluoromethyl-phenyl)-2,4-dihydro-pyrazol-3-one
1-(3-Trifluormethylphenyl)-3-methylpyrazolon-5
1-[3-(Trifluoromethyl)phenyl]-3-methyl-2-pyrazolin-5-one
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