Retusin

Suppliers

Names

[ CAS No. ]:
1245-15-4

[ Name ]:
Retusin

[Synonym ]:
RETUSIN
Einecs 214-991-4
5-Hydroxy-3,3',4',7-tetramethoxyflavone
3,3',4',7-tetramethoxy-5-hydroxyflavone
QUERCETINTETRAMETHYLETHER
3,7,3',4'-Tetra-O-methylquercetin
3,7,3',4'-Tetra-O-methylguercetin

Chemical & Physical Properties

[ Density]:
1.36g/cm3

[ Boiling Point ]:
569.2ºC at 760mmHg

[ Melting Point ]:
156-161ºC

[ Molecular Formula ]:
C19H18O7

[ Molecular Weight ]:
358.34200

[ Flash Point ]:
205.6ºC

[ Exact Mass ]:
358.10500

[ PSA ]:
87.36000

[ LogP ]:
3.20000

[ Vapour Pressure ]:
1.48E-13mmHg at 25°C

[ Index of Refraction ]:
1.617

Safety Information

[ HS Code ]:
2914509090

Synthetic Route

Precursor & DownStream

Precursor

  • Quercetin
  • Dimethyl sulfate
  • methyl iodide
  • Quercetin 3,4'-dimethyl ether
  • Quercetin 3,5,7,3,4-pentamethyl ether
  • dms
  • diazomethane
  • 2''-HYDROXY-3,4,4'',6''-TETRAMETHOXYCHALCONE
  • (E)-3-(3,4-dimethoxyphenyl)-1-(2,4,6-trimethoxyphenyl)prop-2-en-1-one
  • 5-Hydroxy-3',4',7-trimethoxyflavone

DownStream

  • Veratric acid
  • flamenol
  • Quercetin 3,5,7,3,4-pentamethyl ether
  • 3,7,3',4'-TETRAMETHYLGOSSYPETIN

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%


Related Compounds

  • Retusin(Dalbergia)
  • Retusin(Dalbergia)
  • retusin dimethyl ether