4'-Demethyleucomin

(E)-5,7-二羟基-3-(4-羟基苯亚甲基)色满-4-酮

Also known as: 4'-Demethyleucomin, Demethyleucomine, O-Demethyleucomin, (E)-5,7-Dihydroxy-3-(4-hydroxybenzylidene)chroman-4-one, (3E)-5,7-Dihydroxy-3-(4-hydroxybenzylidene)-2,3-dihydro-4H-chromen-4-one, 3-[(E)-4-Hydroxybenzylidene]-5,7-dihydroxychroman-4-one, 4H-1-Benzopyran-4-one, 2,3-dihydro-5,7-dihydroxy-3-[(4-hydroxyphenyl)methylene]-, (3E)-

4'-Demethyleucomin (CAS 34818-83-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H12O5 and a molecular weight of 284.263 g/mol. It is also known as Demethyleucomine, O-Demethyleucomin and (E)-5,7-Dihydroxy-3-(4-hydroxybenzylidene)chroman-4-one. Key properties include a boiling point of 588.3±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 226.4±23.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

34818-83-2

Jingsj CID

J-1023513-5

Molecular Formula

C₁₆H₁₂O₅

Chinese Name

(E)-5,7-二羟基-3-(4-羟基苯亚甲基)色满-4-酮

Molecular Weight

284.263 g/mol

Category

Ketones

Last updated

8/21/2026