Decursin

紫花前胡素

Also known as: (+)-decursin, (S)-(+)-decursin, (7S)-7,8-Dihydro-8,8-dimethyl-2-oxo-2H,6H-benzo[1,2-b:5,4-b′]dipyran-7-yl 3-methyl-2-butenoate, (7S)-8,8-Dimethyl-2-oxo-7,8-dihydro-2H,6H-pyrano[3,2-g]chromen-7-yl 3-methylbut-2-enoate, Decursin (紫花前胡素), Decursin, 98%, from Angelica decursiva (Miq.) Franch. & Sav.

Decursin (CAS 5928-25-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C19H20O5 and a molecular weight of 328.359 g/mol. It is also known as (+)-decursin, (S)-(+)-decursin and (7S)-7,8-Dihydro-8,8-dimethyl-2-oxo-2H,6H-benzo[1,2-b:5,4-b′]dipyran-7-yl 3-methyl-2-butenoate. Key properties include a melting point of 93-94ºC, a boiling point of 469.4±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 206.6±28.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5928-25-6

Jingsj CID

J-1981556-5

Molecular Formula

C₁₉H₂₀O₅

Chinese Name

紫花前胡素

Molecular Weight

328.359 g/mol

Category

Organic Compounds

Last updated

8/21/2026