Ethyl 3-oxo-1,2-dihydropyrazole-4-carboxylate

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Names

[ CAS No. ]:
7251-53-8

[ Name ]:
Ethyl 3-oxo-1,2-dihydropyrazole-4-carboxylate

[Synonym ]:
Ethyl 5-hydroxy-1H-pyrazole-4-carboxylate
1H-pyrazole-4-carboxylic acid, 5-hydroxy-, ethyl ester
1H-Pyrazole-4-carboxylic acid, 2,3-dihydro-3-oxo-, ethyl ester
3-Oxo-2,3-dihydro-1H-pyrazol-4-carbonsaeure-aethylester
ethyl 3-hydroxypyrazole-4-carboxylate
Ethyl 3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate
Ethyl 5-hydroxy-4-pyrazolecarboxylate
4-ethoxycarbonyl-1,2-dihydro-3-pyrazolone
ethyl 3-oxo-2,3-dihydropyrazole-4-carboxylate
3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid ethyl ester
ethyl 3-hydroxy-1H-pyrazole-4-carboxylate
3-Hydroxy-1H-pyrazole-4-carboxylic acid ethyl ester

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
311.7ºC at 760 mmHg

[ Molecular Formula ]:
C6H8N2O3

[ Molecular Weight ]:
156.139

[ Flash Point ]:
142.3ºC

[ Exact Mass ]:
156.053497

[ PSA ]:
75.21000

[ LogP ]:
-0.31

[ Index of Refraction ]:
1.496

[ Storage condition ]:
2-8°C

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2933199090

Precursor & DownStream

Precursor

  • Diethyl ethoxymethylenemalonate
  • Sodium ethoxide
  • 1,3-dimethyl-2,4-dioxopyrimidine-5-carbohydrazide
  • Propanedioic acid,2-[(dimethylamino)methylene]-, 1,3-diethyl ester
  • Diethyl (aminomethylene)malonate
  • 1,1,3,3-tetraethyl prop-1-ene-1,1,3,3-tetracarboxylate

DownStream

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%

Related Compounds

  • ethyl 3-benzo[1,3]dioxol-5-yl-5-oxo-1,2-dihydropyrazole-4-carboxylate; hydrazine
  • ethyl 3-indol-2-ylidene-1,2-dihydropyrazole-4-carboxylate
  • 5-butoxy-N-ethyl-3-oxo-1,2,4-thiadiazole-2-carboxamide
  • 3-oxo-1,2-dihydropyrazole-4-carbaldehyde
  • ethyl (3-oxo-1,2,3,4-tetrahydrocarbazol-9-yl)acetate
  • ethyl (3-oxo-1,2,3,4-tetrahydrocarbazol-9-yl)acetate glycol ketal
  • 2-[[4-(Trifluoromethoxy)phenyl]methyl]isoindole-1,3-dione
  • 2-Acetyloxy-2-[4-fluoro-2-(trifluoromethyl)phenyl]acetic acid
  • N-Sorboylmorpholine
  • benzyl N-[(1R)-2-cyano-1-phenylethyl]carbamate
  • (3-Chlorophenyl)(pyridin-2-yl)methanamine
  • (2-Methoxyphenyl)(pyridin-2-yl)methanamine
  • Methyl I(2)-[[(1,1-dimethylethoxy)carbonyl]amino]-4-methoxybenzenepropanoate
  • 2-(4-Methoxy-phenyl)-1-methyl-1H-benzoimidazole-4-carboxylic acid amide
  • N-(1-(3,4-dimethoxyphenyl)-5-oxopyrrolidin-3-yl)-3,4-dihydroquinoline-1(2H)-carboxamide
  • 4-(benzo[d][1,3]dioxol-5-ylmethyl)-N-(1-(3,4-dimethoxyphenyl)-5-oxopyrrolidin-3-yl)piperazine-1-carboxamide