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CAS No 855-96-9 , 5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-6,7-dimethoxychromen-4-one

  • Name: 5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-6,7-dimethoxychromen-4-one
  • Synonyms: 855-96-9;Eupatorine;5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-6,7-dimethoxychromen-4-one; NSC 106402; ST50331588; 3',5-Dihydroxy-4',6,7-trimethoxyflavone;
  • CAS Registry Number:
  • Melting Point: 194-196°C
  • Flash Point: 216°C
  • Boiling Point: 587°C at 760 mmHg
  • Density: 1.387g/cm3
  • Refractive index: 1.627
  • Safety Statements: R36/37/38:Irritatingtoeyes,respiratorysystemandskin.;
  • Flash Point: 216°C
  • Molecular Weight: 344.31544
  • InchiKey: KLAOKWJLUQKWIF-UHFFFAOYSA-N
  • InChI: InChI=1S/C18H16O7/c1-22-12-5-4-9(6-10(12)19)13-7-11(20)16-14(25-13)8-15
    (23-2)18(24-3)17(16)21/h4-8,19,21H,1-3H3
  • Risk Statements: S26:Incaseofcontactwitheyes,rinseimmediatelywithplentyofwaterandseekmedicaladvice.;S36:Wearsuitableprotectiveclothing.;
  • Molecular Formula: C18H16O7
  • Molecular Structure:CAS No:855-96-9 5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-6,7-dimethoxychromen-4-one

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References of 5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-6,7-dimethoxychromen-4-one
Title: Eupatorin
CAS Registry Number: 855-96-9
CAS Name: 5-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)-6,7-dimethoxy-4H-1-benzopyran-4-one
Synonyms: 3￠,5-dihydroxy-4￠,6,7-trimethoxyflavone
Molecular Formula: C18H16O7
Molecular Weight: 344.32
Percent Composition: C 62.79%, H 4.68%, O 32.53%
Literature References: Isoln from Eupatorium semiserratum DC., Compositae and structure: Kupchan et al., J. Pharm. Sci. 54, 929 (1965).
Properties: Crystals from dioxane + water, mp 196-198°. uv max (alcohol): 243, 254, 274, 342 nm (e 17400, 19300, 19800, 27700).
Melting point: mp 196-198°
Absorption maximum: uv max (alcohol): 243, 254, 274, 342 nm (e 17400, 19300, 19800, 27700)