4,5-Dihydro-5-oxo-1H-pyrazole-3-carboxylic acid

Names

[ Name ]:
4,5-Dihydro-5-oxo-1H-pyrazole-3-carboxylic acid

[Synonym ]:
Pyrazolon-3-carbonsaeure
5-Oxo-2-pyrazoline-3-carboxylic acid
1H-Pyrazole-3-carboxylic acid,4,5-dihydro-5-oxo
5-Oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid

Chemical & Physical Properties

[ Density]:
1.84g/cm3

[ Molecular Formula ]:
C₄H₄N₂O₃

[ Molecular Weight ]:
128.08600

[ Exact Mass ]:
128.02200

[ PSA ]:
78.76000

[ Index of Refraction ]:
1.708

Safety Information

[ HS Code ]:
2933199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

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%