3,5,6,7-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one

Names

[ CAS No. ]:
4472-73-5

[ Name ]:
3,5,6,7-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one

[Synonym ]:
6-hydroxykaempferol 3,5,6,7,4'-pentamethyl ether
3,5,6,7,4'-pentamethoxyflavone
3,4',5,6,7-PENTAMETHOXYFLAVONE
3,5,6,7,4'-Pentamethoxy-flavon

Chemical & Physical Properties

[ Density]:
1.29g/cm3

[ Boiling Point ]:
558.9ºC at 760 mmHg

[ Molecular Formula ]:
C20H20O7

[ Molecular Weight ]:
372.36900

[ Flash Point ]:
245.6ºC

[ Exact Mass ]:
372.12100

[ PSA ]:
76.36000

[ LogP ]:
3.50300

[ Index of Refraction ]:
1.588

Safety Information

[ HS Code ]:
2914509090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 6-hydroxy-3,5,7-trimethoxy-2-(4-methoxy-phenyl)-chromen-4-one
  • Dimethyl sulfate
  • penduletin
  • Eupalitin
  • Benzoic acid,4-methoxy-, 1,1'-anhydride
  • diazomethane
  • 1-(2,6-dihydroxy-3,4-dimethoxy-phenyl)-2-methoxy-ethanone
  • 1-(3,6-dihydroxy-2,4-dimethoxyphenyl)-2-methoxyethanone
  • 4H-1-Benzopyran-4-one,2,3-dihydro-5,6,7-trimethoxy-2-(4-methoxyphenyl)-
  • 3-hydroxy-5,6,7,4'-tetramethoxymethoxyflavone

DownStream

  • 5-Hydroxy-3,6,7,4'-tetramethoxyflavone

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%