4,5-Dihydro-3-methyl-1H-pyrazole

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Names

[ CAS No. ]:
1911-30-4

[ Name ]:
4,5-Dihydro-3-methyl-1H-pyrazole

[Synonym ]:
3-methylpyrazoline
3-methyl-2-pyrazoline
4,5-Dihydro-3-methyl-1H-pyrazole
3-Methyl-4,5-dihydro-1H-pyrazol
1H-Pyrazole,4,5-dihydro-3-methyl

Chemical & Physical Properties

[ Molecular Formula ]:
C4H8N2

[ Molecular Weight ]:
84.11970

[ Exact Mass ]:
84.06870

[ PSA ]:
24.39000

[ LogP ]:
0.12000

Safety Information

[ HS Code ]:
2933199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Methyl vinyl ketone
  • 4-CHLORO-2-BUTANONE
  • trimethyl(3-oxobutyl)azanium,iodide
  • 1-formyl-5-methyl-4,5-dihydro-1H-pyrazole
  • 5-methyl-2-pyrazoline
  • Hydrochloric acid

DownStream

  • 3-Methylpyrazole

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

  • 5-(2-Furyl)-4,5-dihydro-3-methyl-1H-pyrazole
  • 4-[(2-ethoxyphenyl)azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-1-carboxamidine monohydrochloride
  • 1H-Pyrazole,4,5-dihydro-3-methyl-4-nitro-(9CI)
  • 4-[[4-(dimethylamino)phenyl]methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-1-carboxamidine monoacetate
  • 1H-Pyrazole,4,5-dihydro-3-methyl-1-nitroso-4-propyl-
  • 1H-Pyrazole,4,5-dihydro-3-methyl-4-(1-methylethyl)-1-nitroso-