Home > Name List By 4 > 4H-1-Benzopyran-4-one,7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,6-dimethoxy-

CAS No 35595-03-0 , 4H-1-Benzopyran-4-one,7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,6-dimethoxy-

  • Name: 4H-1-Benzopyran-4-one,7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,6-dimethoxy-
  • Synonyms: 4H-1-Benzopyran-4-one,7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,6-dimethoxy-;Centaurein(7CI);
  • CAS Registry Number:
  • Flash Point: 285.2°C
  • Boiling Point: 836.7°Cat760mmHg
  • Density: 1.64g/cm3
  • Refractive index: 1.692
  • Flash Point: 285.2°C
  • Molecular Weight: 0
  • InChI: InChI=1/C24H26O13/c1-32-11-5-4-9(6-10(11)26)21-23(34-3)18(29)15-12(35-21)7-13(22(33-2)17(15)28)36-24-20(31)19(30)16(27)14(8-25)37-24/h4-7,14,16,19-20,24-28,30-31H,8H2,1-3H3/t14-,16-,19+,20-,24+/m1/s1
  • Molecular Formula: C24H26 O13
  • Molecular Structure:CAS No:35595-03-0 4H-1-Benzopyran-4-one,7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,6-dimethoxy-

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35595-03-0 CENTAUREIN(RG)

  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
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35595-03-0 CENTAUREIN

  • Germany Cfm Oskar Tropitzsch [Manufacturer]
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References of 4H-1-Benzopyran-4-one,7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,6-dimethoxy-
Title: Centaurein
CAS Registry Number: 35595-03-0
CAS Name: 7-(b-D-Glucopyranosyloxy)-5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,6-dimethoxy-4H-1-benzopyran-4-one
Synonyms: 3￠,5,7-trihydroxy-3,4￠,6-trimethoxyflavone 7-b-D-glucoside
Molecular Formula: C24H26O13
Molecular Weight: 522.46
Percent Composition: C 55.17%, H 5.02%, O 39.81%
Literature References: Isoln from root of Centaurea jacea L., Compositae: Bridel, Charaux, Compt. Rend. 175, 833, 1168 (1922). Structure: Farkas et al., Ber. 97, 1666 (1964).
 
Derivative Type: Monohydrate
Properties: Yellow crystals, mp 208-209°. [a]D20 -76.6° (c = 1.4 in methanol). uv max (methanol): 349, 258 nm (log e 4.31, 4.30). Sol in hot water, hot alcohol, and hot acetone; practically insol in cold water, chloroform, ether.
Melting point: mp 208-209°
Optical Rotation: [a]D20 -76.6° (c = 1.4 in methanol)
Absorption maximum: uv max (methanol): 349, 258 nm (log e 4.31, 4.30)