1,3,4-trimethylpyrano[2,3-c]pyrazol-6-one

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Names

[ CAS No. ]:
5775-94-0

[ Name ]:
1,3,4-trimethylpyrano[2,3-c]pyrazol-6-one

[Synonym ]:
1,3,4-Trimethyl-6-oxo-pyrano<5,6-d>pyrazol
HMS1661M08
1,3,4-Trimethyl-6-oxo-1,6-dihydro-pyrano<2,3-c>

Chemical & Physical Properties

[ Density]:
1.3g/cm3

[ Boiling Point ]:
349.2ºC at 760 mmHg

[ Molecular Formula ]:
C9H10N2O2

[ Molecular Weight ]:
178.18800

[ Flash Point ]:
165ºC

[ Exact Mass ]:
178.07400

[ PSA ]:
48.03000

[ LogP ]:
1.14330

[ Index of Refraction ]:
1.611

[ Storage condition ]:
2-8℃

Safety Information

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Ethyl acetoacetate
  • 1,3-Dimethyl-5-pyrazolone
  • 3,4-DIMETHYL-1,6-DIHYDROPYRANO[2,3-C]PYRAZOL-6-ONE
  • methyl iodide
  • monomethylhydrazine

DownStream

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 1-butyl-3,4-dimethylpyrano[2,3-c]pyrazol-6-one
  • 1-ethyl-3,4-dimethylpyrano[2,3-c]pyrazol-6-one
  • 9-(2-hydroxyethyl)-5,7-dimethyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,7,10-trien-3-one
  • 2-ethyl-3,4-dimethylpyrano[2,3-c]pyrazol-6-one
  • 2-acetyl-3,4-dimethylpyrano[2,3-c]pyrazol-6-one
  • 2-butyl-3,4-dimethylpyrano[2,3-c]pyrazol-6-one