Pinostilbene
Also known as: 3,4'-Dihydroxy-5-methoxy-trans-stilbene, 3-[(1E)-2-(4-Hydroxyphenyl)ethenyl]-5-methoxyphenol, 3-[(E)-2-(4-Hydroxyphenyl)vinyl]-5-methoxyphenol, 3-[(E)-2-(4-hydroxyphenyl)ethenyl]-5-methoxyphenol, 3-methoxy-4',5-dihydroxy-trans-stilbene, 3-methoxyresveratrol, 4,3'-dihydroxy-5'-methoxystilbene, 5,4'-dihydroxy-3-methoxystilbene, Phenol, 3-[(E)-2-(4-hydroxyphenyl)ethenyl]-5-methoxy-, Pinostilbene hydrate, Pistilbene, mono-methylated resveratrol, phenol (3-[(E)-2-(4-hydroxyphenyl)ethenyl]-5-methoxy, trans-3,4'-dihydroxy-5-methoxystilbene, trans-Pinostilbene, trans-Pinostilbene hydrate
Pinostilbene (CAS 42438-89-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H14O3 and a molecular weight of 242.270 g/mol. Key properties include a melting point of 117-118℃, a boiling point of 454.3±33.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 228.5±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 42438-89-1
- Jingsj CID
- J-1486-8
- Molecular Formula
- C15H14O3
- Molecular Weight
- 242.270 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 117-118℃ |
|---|---|
| Boiling Point | 454.3±33.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 228.5±25.4 °C |
| Exact Mass | 242.094299 |
| PSA | 49.69000 |
| LogP | 3.80 |
| Appearance | white to tan |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.692 |
| Storage Conditions | 2-8°C |
| Additional Property | DMSO: ≥13mg/mL |
Activity & Biological Data
| Additional Information | [1]. Sun Y, et al. Identification of pinostilbene as a major colonic metabolite of pterostilbene and its inhibitory effects on colon cancer cells. Mol Nutr Food Res. 2016 Sep;60(9):1924-32. [2]. Chao J, et al. Protective effects of pinostilbene, a resveratrol methylated derivative, against 6-hydroxydopamine-induced neurotoxicity in SH-SY5Y cells. J Nutr Biochem. 2010 Jun;21(6):482-9. |
|---|
Customs & Trade Information
| HS Code | 2909500000 |
|---|---|
| Summary | 2909500000 ether-phenols, ether-alcohol-phenols and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Pinostilbene?
The CAS number of Pinostilbene is 42438-89-1.
What are the molecular formula and molecular weight of Pinostilbene?
Pinostilbene has molecular formula C15H14O3 and molecular weight 242.270 g/mol.
What are the upstream and downstream products of Pinostilbene?
For Pinostilbene, Upstream Products: Pterostilbene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pinostilbene (CAS 42438-89-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1486-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.