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
  • 4-(Aminomethyl)-4-(2-cyclopentylethyl)cyclohexan-1-ol
  • 1-{2-[3-(difluoromethyl)-1-methyl-1H-pyrazol-4-yl]ethyl}cyclopropan-1-ol
  • 2-[(1S)-2,2,2-trifluoro-1-hydroxyethyl]benzene-1,3,5-triol
  • 2,2-Difluoro-1-(2,4,6-trihydroxyphenyl)cyclopropane-1-carboxylic acid
  • 4-(2-Chloro-6-methylpyridin-3-yl)butan-2-ol
  • rac-(1R,3R)-3-(3-chloro-2,4-difluorophenyl)-2,2-dimethylcyclopropan-1-amine
  • rac-[(1R,2R)-2-(3-chloro-4-fluorophenyl)cyclopropyl]methanamine
  • 2-[(5,6-Dichloropyridin-3-yl)oxy]ethan-1-amine
  • 1-(5-Chloro-2-nitrophenyl)cyclopropane-1-carboxylic acid
  • 1-(4-Chloro-3-nitrophenyl)cyclopropane-1-carbaldehyde
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