2-(3,4-dimethoxyphenyl)-3,5,6-trihydroxy-7-methoxychromen-4-one

Names

[ CAS No. ]:
99499-83-9

[ Name ]:
2-(3,4-dimethoxyphenyl)-3,5,6-trihydroxy-7-methoxychromen-4-one

[Synonym ]:
4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-3,5,6-trihydroxy-7-methoxy
Quercetagetin 7,3',4'-trimethyl ether
3,5,6-trihydroxy-3',4',7-trimethoxyflavone
Thtmof

Chemical & Physical Properties

[ Density]:
1.482g/cm3

[ Boiling Point ]:
606.7ºC at 760 mmHg

[ Molecular Formula ]:
C18H16O8

[ Molecular Weight ]:
360.31500

[ Flash Point ]:
222.4ºC

[ Exact Mass ]:
360.08500

[ PSA ]:
118.59000

[ LogP ]:
2.60260

[ Index of Refraction ]:
1.658

Safety Information

[ HS Code ]:
2914509090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2-(3,4-dimethoxyphenyl)-3-hydroxy-7-methoxy-4-oxo-5-(tosyloxy)-4H-chromen-6-yl acetate
  • 2-(3,4-dimethoxyphenyl)-3,5-dihydroxy-7-methoxy-6-(methoxymethoxy)-4H-chromen-4-one
  • 2-(3,4-dimethoxyphenyl)-3,6-dihydroxy-7-methoxy-4-oxo-4H-chromen-5-yl 4-methylbenzenesulfonate

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%