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Pterostilbene

Also known as: trans-3,5-Dimethoxy-4'-hydroxystilbene, (E)-3,5-Dimethoxy-4'-hydroxystilbene, 3,5-Dimethoxy-4'-hydroxy-trans-stilbene, 4-[(E)-2-(3,5-Dimethoxyphenyl)ethenyl]phenol, 3',5'-Dimethoxy-4-stilbenol, Pterocarpus marsupium extract

Pterostilbene (CAS 537-42-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H16O3 and a molecular weight of 256.296 g/mol. Key properties include a melting point of 89-92ºC, a boiling point of 420.5±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 208.1±25.9 °C. It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage and H411 — Toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
537-42-8
Jingsj CID
J-1325005-0
Molecular Formula
C16H16O3
Molecular Weight
256.296 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point89-92ºC
Boiling Point420.5±35.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point208.1±25.9 °C
Exact Mass256.109955
PSA38.69000
LogP4.13
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.640
Storage Conditions2-8°C
Additional PropertyDMSO: >20mg/mL

GHS Safety & Compliance

Corrosion / Environmental HazardSignal word: Danger
  • H318 — Causes serious eye damage
  • H411 — Toxic to aquatic life with long lasting effects

Activity & Biological Data

Additional Information[1]. McCormack D, et al. A review of pterostilbene antioxidant activity and disease modification. Oxid Med Cell Longev. 2013;2013:575482. [2]. Hong Bin W, et al. Pterostilbene (3',5'-dimethoxy-resveratrol) exerts potent antitumor effects in HeLa human cervical cancer cells via disruption of mitochondrial membrane potential, apoptosis induction and targeting m-TOR/PI3K/Akt signalling pathway. J BUON. 2018 Sep-Oct;23(5):1384-1389. [3]. Perecko T, et al. The effects of pterostilbene on neutrophil activity in experimental model of arthritis. Biomed Res Int. 2013;2013:106041. [4]. Acharya JD, et al. Protective effect of Pterostilbene against free radical mediated oxidative damage. BMC Complement Altern Med. 2013 Sep 26;13:238.

Customs & Trade Information

HS Code2909500000
Summary2909500000 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 Pterostilbene?

The CAS number of Pterostilbene is 537-42-8.

What are the molecular formula and molecular weight of Pterostilbene?

Pterostilbene has molecular formula C16H16O3 and molecular weight 256.296 g/mol.

Is Pterostilbene hazardous?

Pterostilbene has GHS signal word Danger and hazard statements H318 — Causes serious eye damage; H411 — Toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of Pterostilbene?

For Pterostilbene, Upstream Products: 1-Iodo-3,5-dimethoxybenzene, 4-Vinylphenol, 3,5-Dimethoxybenzaldehyde; Downstream Products: (Z)-Pterostilbene, Pinostilbene, 3,5-Dimethoxybenzoic acid.

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

Last updated:

How to cite: Jingsj. "Pterostilbene (CAS 537-42-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1325005-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.