Ethyl 1-(4-chlorophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate

Modify Date: 2025-08-21 10:39:35

Ethyl 1-(4-chlorophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate Structure
Ethyl 1-(4-chlorophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate structure
Common Name Ethyl 1-(4-chlorophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate
CAS Number 55983-92-1 Molecular Weight 266.680
Density 1.4±0.1 g/cm3 Boiling Point 379.2±44.0 °C at 760 mmHg
Molecular Formula C12H11ClN2O3 Melting Point N/A
MSDS N/A Flash Point 183.2±28.4 °C

 Names

Name Ethyl 1-(4-chlorophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 379.2±44.0 °C at 760 mmHg
Molecular Formula C12H11ClN2O3
Molecular Weight 266.680
Flash Point 183.2±28.4 °C
Exact Mass 266.045807
LogP 1.63
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.611

 Synonyms

MFCD03966886
1H-Pyrazole-3-carboxylic acid, 1-(4-chlorophenyl)-4,5-dihydro-5-oxo-, ethyl ester
Ethyl 1-(4-chlorophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate
1-(4-Chloro-phenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester
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