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
  • (1S,5S)-5-(hydroxymethyl)-1-methylcyclopent-2-en-1-ol
  • Benzenesulfonamide, 4-fluoro-3-methyl-N-[4-(2-phenyldiazenyl)phenyl]-
  • (4-Chloro-phenyl)-prop-2-ynyloxy-acetic acid 2-[2-(4-chloro-phenyl)-2-prop-2-ynyloxy-acetoxy]-ethyl ester
  • (5-Bromo-2-methylphenyl)methanethiol
  • N-(Benzo[d]thiazol-2-ylmethyl)aniline
  • [5-(Trifluoromethyl)-4H-1,2,4-triazol-3-YL]methanamine
  • Ethyl (2-hydroxyethyl)glycinate hydrochloride
  • (3S)-1-methanesulfonylpyrrolidin-3-amine
  • 3-Amino-4-methylpiperidin-2-one
  • 4-Quinoxalin-6-yl-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester
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