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CAS No 578-74-5 , 4H-1-Benzopyran-4-one,7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(4-hydroxyphenyl)- Search by region : China

  • Name: 4H-1-Benzopyran-4-one,7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(4-hydroxyphenyl)-
  • Synonyms: 4H-1-Benzopyran-4-one,7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(4-hydroxyphenyl)-; Apigenin 7-O-b-D-glucoside; 4',5,7-Trihydroxyflavone 7-glucoside; Apigenin 7-O-b-glucoside;Cosmetin; Apigenin 7-b-glucoside; Cosmociin; 7-O-b-D-Glucosylapigenin; Cosmoside; Cosmosioside; Apigenin7-O-glucoside; Apigenin 7-monoglucoside; Apigenin 7-O-b-D-glucopyranoside; NSC 407303; Apigetrin; Apigenin 7-b-D-glucoside; Apigenin-7-O-b-glucopyranoside;Cosmosiin (7CI,8CI);Apigenin,7-b-D-glucopyranoside (6CI); Cosmosiine;
  • CAS Registry Number:
  • Melting Point: 230-237°C
  • Flash Point: 280.7°C
  • Boiling Point: 788.9°Cat760mmHg
  • Density: 1.642g/cm3
  • Refractive index: 1.717
  • Flash Point: 280.7°C
  • EINECS: 209-430-5
  • Molecular Weight: 432.38
  • InChI: InChI=1/C21H20O10/c22-8-16-18(26)19(27)20(28)21(31-16)29-11-5-12(24)17-13(25)7-14(30-15(17)6-11)9-1-3-10(23)4-2-9/h1-7,16,18-24,26-28H,8H2/t16-,18+,19+,20-,21-/m1/s1
  • Molecular Formula: C21H20 O10
  • Molecular Structure:CAS No:578-74-5 4H-1-Benzopyran-4-one,7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(4-hydroxyphenyl)-

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References of 4H-1-Benzopyran-4-one,7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(4-hydroxyphenyl)-
Title: Apigetrin
CAS Registry Number: 578-74-5
CAS Name: 7-(b-D-Glucopyranosyloxy)-5-hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
Synonyms: apigenin-7-D-glucoside; 7-D-glycosylapigenin; cossmetin
Molecular Formula: C21H20O10
Molecular Weight: 432.38
Percent Composition: C 58.33%, H 4.66%, O 37.00%
Literature References: Isoln from flowers of Anthemis nobilis L., Compositae: Power, Browning, J. Chem. Soc. 105, 1833 (1914); from parsley: Nordstr?m, Swain, Chem. Ind. (London) 1953, 85; J. Chem. Soc. 1953, 2764.
Properties: Pale yellow, cryst powder, dec 178-180°. Astringent taste. uv max (ethanol): 335, 268 nm. Sol in water, dil alcohol.
Absorption maximum: uv max (ethanol): 335, 268 nm