isorhapontigenin
Synonym(s):(E)- 3′-methoxy-3,4′,5-stilbenetriol;(E)-5-[2-(4-Hydroxy-3-methoxyphenyl)ethenyl]-1,3-benzenediol;3′-Methoxyresveratrol;Isorhapotigenin;Isorhapotogenin
- CAS NO.：32507-66-7
- Empirical Formula: C15H14O4
- Molecular Weight: 258.27
- MDL number: MFCD12407151
- EINECS: 803-480-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-24 17:36:03
What is isorhapontigenin?
Definition
ChEBI: Isorhapontigenin is a stilbenoid.
Biochem/physiol Actions
Isorhapontigenin or 4-methoxyresveratrol is a stilbene derivative isolated from a number of plants including Chinese medical herbs Gnetum Cleistostachyum and Iris Domestica (Belamcanda chinensis, leopard lily), and wine grapes. Similarly to resveratrol, isorhapontigenin is a potent antioxidant that attenuates ROS generation. Also, Isorhapontigenin exhibits pro-apoptopic and anti-cancer activities through downregulation of XIAP (X-linked inhibitor of apoptosis protein).
Properties of isorhapontigenin
| Melting point: | 180.0 to 184.0 °C |
| Boiling point: | 471.8±35.0 °C(Predicted) |
| Density | 1.345 |
| storage temp. | room temp |
| solubility | DMSO: soluble15mg/mL, clear |
| pka | 9.16±0.10(Predicted) |
| form | powder |
| color | white to light brown |
Safety information for isorhapontigenin
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
Computed Descriptors for isorhapontigenin
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