Pterostilbene ( 3',5'-Dimethoxy-resveratrol )

Pterostilbene

Other names: 3′,5′-dimethoxy-resveratrol, 3,5-dimethoxy-4′-hydroxystilbene, 4-[(1E)-2-(3,5-dimethoxyphenyl)ethenyl]phenol, trans-pterostilbene

CAS Number: 537-42-8

EC Number: 611-041-4

Sum Formula: C16H16O3

Molar Mass: 256.30 g/mol

Appearance: white to off-white crystalline powder

Pterostilbene is an organic stilbenoid compound structurally related to resveratrol. It contains a trans-stilbene framework, one phenolic hydroxyl group and two methoxy groups. The compound occurs naturally in selected plant sources and is also used as a research compound in specialized chemical, analytical and material science applications.

Due to its stilbenoid structure, pterostilbene is used in studies involving polyphenolic compounds, aromatic systems, methoxy-substituted stilbenes and reference analysis of naturally occurring organic compounds.

Chemical and Physical Properties:

Density: approximately 1.17–1.20 g/cm3

Melting Point: approximately 86–92°C

Boiling Point: approximately 420.5°C

Solubility in Water: insoluble or very poorly soluble

Solubility in Other Solvents: soluble in selected organic solvents, including DMSO

Odor: odorless

Type of compound: stilbenoid, methoxy-substituted phenolic compound, resveratrol derivative

Stability: stable under normal conditions; protect from light

Applications:

Chemical Research:

Used in studies of stilbenoid compounds, substituted phenols, methoxy derivatives and antioxidant-like structural systems.

Material Science:

Explored as a structural analogue in the synthesis and characterization of stilbenoid-based materials and functional organic compounds.

Analytical Chemistry:

Employed as a reference compound in chromatographic, spectroscopic and comparative analytical methods.

Organic Synthesis:

May be used as a starting material or intermediate in the synthesis of stilbene derivatives and related aromatic compounds.

Key Properties:

Stilbenoid Structure: contains a trans-stilbene backbone related to resveratrol.

Methoxy Substitution: two methoxy groups influence its solubility, reactivity and chemical behavior.

Phenolic Functionality: contains one hydroxyl group, making it suitable for research involving phenolic compounds.

Reference Use: suitable for analytical, comparative and laboratory research involving stilbenoids and polyphenols.

Storage:

Store in a tightly closed container in a cool, dry and well-ventilated area.

Recommended storage temperature: 2–8°C.

Protect from light, moisture and contamination.

Keep away from strong oxidizing agents and incompatible materials.

Handling:

Avoid formation and inhalation of dust.

Avoid contact with skin, eyes and clothing.

Use in a well-ventilated area.

Use appropriate personal protective equipment, including protective gloves, eye protection and protective clothing.

Prevent release to the environment.

This product is intended strictly for technical, laboratory and research use. It is not intended for consumption, medical, pharmaceutical, cosmetic or feed applications.