Eupatorin

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
Additional Names: 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)
Eupatorium Euprocin Evening Primrose Oil Everolimus Evodiamine