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
  • N-(3-bromo-4-methoxyphenyl)cyclopropanecarboxamide
  • 2-((4-Ethylpiperazin-1-yl)(phenyl)methyl)-1H-indole
  • 1-But-3-ynyl-2,3-dihydroindole
  • 2-(2-Bromo-5-fluorophenyl)-1,1,1,3,3,3-hexafluoro-2-propanol
  • 1-((6-Methoxypyridin-2-yl)methyl)-1h-pyrazol-4-amine
  • 2-(2-Bromo-4-fluorophenyl)-1,1,1,3,3,3-hexafluoro-2-propanol
  • 1-((6-Methoxypyridin-2-yl)methyl)-1h-1,2,4-triazol-3-amine
  • 2-[2-Bromo-4-(trifluoromethyl)phenyl]-1,1,1,3,3,3-hexafluoro-2-propanol
  • 4-[3-(Methoxymethyl)phenoxy]butyric acid, methyl ester
  • 2-(2-Bromo-5-methoxyphenyl)-1,1,1,3,3,3-hexafluoro-2-propanol
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