4-[(4-Chloro-2-nitrophenyl)azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid ethyl ester

Modify Date: 2025-09-12 13:10:25

4-[(4-Chloro-2-nitrophenyl)azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid ethyl ester Structure
4-[(4-Chloro-2-nitrophenyl)azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid ethyl ester structure
Common Name 4-[(4-Chloro-2-nitrophenyl)azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid ethyl ester
CAS Number 1929-56-2 Molecular Weight 415.787
Density 1.5±0.1 g/cm3 Boiling Point 553.6±60.0 °C at 760 mmHg
Molecular Formula C18H14ClN5O5 Melting Point N/A
MSDS N/A Flash Point 288.6±32.9 °C

 Names

Name Ethyl 4-[2-(4-chloro-2-nitrophenyl)diazenyl]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 553.6±60.0 °C at 760 mmHg
Molecular Formula C18H14ClN5O5
Molecular Weight 415.787
Flash Point 288.6±32.9 °C
Exact Mass 415.068359
LogP 4.42
Vapour Pressure 0.0±1.5 mmHg at 25°C
Index of Refraction 1.677
InChIKey XXGRQUKHXMCRNJ-UHFFFAOYSA-N
SMILES CCOC(=O)C1=NN(c2ccccc2)C(=O)C1N=Nc1ccc(Cl)cc1[N+](=O)[O-]

 Synonyms

1h-pyrazole-3-carboxylic acid, 4-((4-chloro-2-nitrophenyl)azo)-4,5-dihydro-5-oxo-1-phenyl-, ethyl ester
Ethyl 4-[(E)-(4-chloro-2-nitrophenyl)diazenyl]-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate
Ethyl 4-[2-(4-chloro-2-nitrophenyl)diazenyl]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylate
1H-Pyrazole-3-carboxylic acid, 4-[(E)-2-(4-chloro-2-nitrophenyl)diazenyl]-4,5-dihydro-5-oxo-1-phenyl-, ethyl ester
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