Isoastilbin

异落新妇苷

Also known as: (2R,3S)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-4-oxo-3,4-dihydro-2H-chromen-3-yl 6-deoxy-α-L-mannopyranoside, (2R,3S)-Astilbin, 4H-1-Benzopyran-4-one, 3-[(6-deoxy-α-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (2R,3S)-, CID 9981176, Isoastilbin, 10 mM in DMSO, Taxifolin 3-O-rhamnoside, Taxifolin 3-rhamnoside

Isoastilbin (CAS 54081-48-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H22O11 and a molecular weight of 450.393 g/mol. It is also known as (2R,3S)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-4-oxo-3,4-dihydro-2H-chromen-3-yl 6-deoxy-α-L-mannopyranoside, (2R,3S)-Astilbin and 4H-1-Benzopyran-4-one, 3-[(6-deoxy-α-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (2R,3S)-. Key properties include a boiling point of 801.1±65.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 282.9±27.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

54081-48-0

Jingsj CID

J-1958440-1

Molecular Formula

C₂₁H₂₂O₁₁

Chinese Name

异落新妇苷

Molecular Weight

450.393 g/mol

Category

Organic Compounds

Last updated

8/21/2026