Isorhapontigenin

异丹叶大黄素

Also known as: (E)-3'-Methoxystilbene-3,4',5-triol, (E)-3,4',5-Trihydroxy-3'-methoxystilbene, (E)-3-Methoxy-stilbene-4,3',5'-triol, 1,3-Benzenediol, 5-[(E)-2-(4-hydroxy-3-methoxyphenyl)ethenyl]-, 3,4',5-Trihydroxy-3'-methoxy-trans-stilbene, 4,3',5'-trihydroxy-3-methoxystilbene, 5-[(1E)-2-(4-Hydroxy-3-methoxyphenyl)ethenyl]-1,3-benzenediol, 5-[(E)-2-(4-Hydroxy-3-methoxyphenyl)ethenyl]-1,3-benzenediol, 5-[(E)-2-(4-Hydroxy-3-methoxyphenyl)vinyl]benzene-1,3-diol, 5-[(E)-2-(4-hydroxy-3-methoxyphenyl)ethenyl]benzene-1,3-diol, Isorhapontigenin

Isorhapontigenin (CAS 32507-66-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H14O4 and a molecular weight of 258.269 g/mol. It is also known as (E)-3'-Methoxystilbene-3,4',5-triol, (E)-3,4',5-Trihydroxy-3'-methoxystilbene and (E)-3-Methoxy-stilbene-4,3',5'-triol. Key properties include a melting point of 182 - 184ºC, a boiling point of 471.8±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 239.1±25.9 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
32507-66-7
Jingsj CID
J-1981446-3
Molecular Formula
C15H14O4
Chinese Name
异丹叶大黄素
Molecular Weight
258.269 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point182 - 184ºC
Boiling Point471.8±35.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point239.1±25.9 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of Isorhapontigenin?

The CAS number of Isorhapontigenin is 32507-66-7.

What are the molecular formula and molecular weight of Isorhapontigenin?

Isorhapontigenin has molecular formula C15H14O4 and molecular weight 258.269 g/mol.

Is Isorhapontigenin hazardous?

Isorhapontigenin has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Isorhapontigenin (CAS 32507-66-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1981446-3 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.