1-phenyl-3-(trifluoromethyl)-2-pyrazolin-5-one

Modify Date: 2025-08-25 17:01:05

1-phenyl-3-(trifluoromethyl)-2-pyrazolin-5-one Structure
1-phenyl-3-(trifluoromethyl)-2-pyrazolin-5-one structure
Common Name 1-phenyl-3-(trifluoromethyl)-2-pyrazolin-5-one
CAS Number 321-07-3 Molecular Weight 228.17100
Density 1.39g/cm3 Boiling Point 278.7ºC at 760mmHg
Molecular Formula C10H7F3N2O Melting Point 195-196°C
MSDS USA Flash Point 122.3ºC

 Names

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

 Chemical & Physical Properties

Density 1.39g/cm3
Boiling Point 278.7ºC at 760mmHg
Melting Point 195-196°C
Molecular Formula C10H7F3N2O
Molecular Weight 228.17100
Flash Point 122.3ºC
Exact Mass 228.05100
PSA 32.67000
LogP 1.84220
Index of Refraction 1.543
InChIKey GLGRRRKQSFURGD-UHFFFAOYSA-N
SMILES O=C1CC(C(F)(F)F)=NN1c1ccccc1

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36

 Bioassay

View more

Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: Screen for inhibitors of RMI FANCM (MM2) intereaction
Source: 11908
Target: N/A
External Id: RMI-FANCM-MM2
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: Antiprion activity in ScN2a cells assessed as inhibition of protease-resistant prion ...
Source: ChEMBL
Target: ScN2a
External Id: CHEMBL894352
Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750
Name: Cytotoxicity against human NB69 cells by MTT assay
Source: ChEMBL
Target: NB69
External Id: CHEMBL895428
Name: Cytotoxicity against mouse ScN2a cells by MTT assay
Source: ChEMBL
Target: ScN2a
External Id: CHEMBL895429
Name: Cytotoxicity against mouse F3 cells by MTT assay
Source: ChEMBL
Target: N/A
External Id: CHEMBL895430
Name: Antiprion activity in F3 cells assessed as inhibition of protease-resistant prion pro...
Source: ChEMBL
Target: NON-PROTEIN TARGET
External Id: CHEMBL894353
Name: Dicer-mediated maturation of pre-microRNA
Source: Center for Chemical Genomics, University of Michigan
Target: N/A
External Id: TargetID_659_CEMA
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 Synonyms

1-phenyl-3-trifluoromethyl-5-pyrazolone
3-trifluoromethyl-1-phenyl-2-pyrazolin-5-one
3-triuoromethyl-1-phenyl-2-pyrazolin-5-one
1-Phenyl-3-trifluoromethyl-2-pyrazolin-5-one
MFCD00051655
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