3H-Pyrazol-3-one,2,4-dihydro-

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Names

[ CAS No. ]:
137-44-0

[ Name ]:
3H-Pyrazol-3-one,2,4-dihydro-

[Synonym ]:
1,4-dihydropyrazol-5-one

Chemical & Physical Properties

[ Density]:
1.44g/cm3

[ Melting Point ]:
162 °C

[ Molecular Formula ]:
C3H4N2O

[ Molecular Weight ]:
84.07670

[ Exact Mass ]:
84.03240

[ PSA ]:
41.46000

[ Index of Refraction ]:
1.63

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2933199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Methyl 3-oxopropanoate

DownStream

  • 1-Methyl-1H-pyrazol-5(4H)-one

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

  • 3h-pyrazol-3-one,2,4-dihydro-5-pentyl
  • 3H-Pyrazol-3-one,2,4-dihydro-4-methyl-
  • 3H-Pyrazol-3-one,2,4-dihydro-5-tridecyl
  • 3H-Pyrazol-3-one,2,4-dihydro-2,5-diphenyl
  • 3H-Pyrazol-3-one,2,4-dihydro-2,4-dimethyl
  • 3H-Pyrazol-3-one,2,4-dihydro-4,4-dihydroxy
  • 4-Methoxy-2-methylhexanoic acid
  • 1-(3-bromo-4-chlorophenyl)-1H-pyrazole-3-carboxylic acid
  • 2-Amino-1-(1-ethyl-1H-1,2,3-triazol-4-yl)ethan-1-ol
  • 2-[1-(Piperidin-4-yl)ethyl]pyridine
  • 2,2-Difluoro-1-(3-methylthiophen-2-yl)ethan-1-ol
  • 2-Amino-3-chloro-5-methylbenzonitrile
  • 1-(2-Chloro-3,4-dimethoxyphenyl)-2,2-difluoroethan-1-ol
  • 2,2-Difluoro-1-[3-(methoxymethyl)phenyl]ethan-1-ol
  • 2,2-difluoro-1-[3-(4-fluorophenyl)-1H-pyrazol-4-yl]ethan-1-ol
  • 1-(5-chloro-1,3-dimethyl-1H-pyrazol-4-yl)-2,2-difluoroethan-1-ol
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