5-Hydroxy-6,7,8-trimethoxy-2-phenyl-4H-1-benzopyran-4-one

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Names

[ CAS No. ]:
3151-82-4

[ Name ]:
5-Hydroxy-6,7,8-trimethoxy-2-phenyl-4H-1-benzopyran-4-one

[Synonym ]:
Alnetin
5-Hydroxy-6,7,8-trimethoxy-2-phenyl-4H-1-benzopyran-4-one
5-hydroxy-6,7,8-trimethoxy-2-phenyl-chromen-4-one
5-hydroxy-6,7,8-trimethoxyflavone

Chemical & Physical Properties

[ Density]:
1.314g/cm3

[ Boiling Point ]:
556.6ºC at 760mmHg

[ Molecular Formula ]:
C18H16O6

[ Molecular Weight ]:
328.31600

[ Flash Point ]:
205.3ºC

[ Exact Mass ]:
328.09500

[ PSA ]:
78.13000

[ LogP ]:
3.19140

[ Index of Refraction ]:
1.606

Safety Information

[ HS Code ]:
2914509090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • diazomethane
  • 5,6-Dihydroxy-7,8-dimethoxyflavone

DownStream

Customs

[ HS Code ]: 2914509090

[ Summary ]:
HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%