Qianhucoumarin E

前胡香豆素E

Also known as: (2E)-2-Methyl-2-butenoic acid (9R)-9,10-dihydro-8,8-dimethyl-2,10-dioxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester, (9R)-8,8-Dimethyl-2,10-dioxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2E)-2-methyl-2-butenoate, 2-Butenoic acid, 2-methyl-, (9R)-9,10-dihydro-8,8-dimethyl-2,10-dioxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester, (2E)-, 2-Butenoic acid,2-methyl-,(9R)-9,10-dihydro-8,8-dimethyl-2,10-dioxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-ylester, (2E)- (9CI)

Qianhucoumarin E (CAS 156041-02-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C19H18O6 and a molecular weight of 342.343 g/mol. It is also known as (2E)-2-Methyl-2-butenoic acid (9R)-9,10-dihydro-8,8-dimethyl-2,10-dioxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester, (9R)-8,8-Dimethyl-2,10-dioxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2E)-2-methyl-2-butenoate and 2-Butenoic acid, 2-methyl-, (9R)-9,10-dihydro-8,8-dimethyl-2,10-dioxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester, (2E)-. Key properties include a boiling point of 516.9±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 228.4±30.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

156041-02-0

Jingsj CID

J-1529461-8

Molecular Formula

C₁₉H₁₈O₆

Chinese Name

前胡香豆素E

Molecular Weight

342.343 g/mol

Category

Organic Compounds

Last updated

8/21/2026