Pterostilbene
Pterostilbene (CAS: 537-42-8, C16H16O3) is a naturally occurring stilbenoid found in blueberries and grapes, closely related to resveratrol. This white to off-white solid, with a molecular weight of 256.30 g/mol, is recognised for its potent antioxidant properties and is widely studied for its potential role in cellular research, including apoptosis induction and cell cycle modulation.
- IUPAC
- 3,5-Dimethoxy-4′-hydroxystilbene,4-[(1E)-2-(3,5-Dimethoxyphenyl)ethenyl]phenol,Pterocarpus marsupium
- Synonyms
- 3,5-Dimethoxy-4′-hydroxystilbene4-[(1E)-2-(3,5-Dimethoxyphenyl)ethenyl]phenolPterocarpus marsupium

Cellular Research
Pterostilbene is extensively used in cell biology research to investigate mechanisms of apoptosis and cell cycle regulation. Its bioactive properties make it a valuable tool for studying cellular signaling pathways.
Neuroscience Studies
This compound is employed in neuroscience research to explore its potential effects on neuronal health and function. Its antioxidant capacity is of particular interest in neuroprotection studies.
Bioactive Small Molecule Research
As a naturally derived bioactive small molecule, Pterostilbene serves as a subject in studies exploring its diverse biological activities and therapeutic potential.
| Molecular weight | 256.30 |
|---|---|
| Empirical formula | C16H16O3 |
| Assay | ≥97% (HPLC) |
| Form | solid |
| Solubility | DMSO: >20 mg/mLH2O: insoluble |
| Storage temperature | 2-8°C |


Hazard statements
- H318Causes serious eye damage
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 41-51/53 |
| Safety statements (S) | 26-39-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Storage Condition | protect from light |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Pterostilbene used for?
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Pterostilbene is primarily used in research settings for investigating apoptosis, cell cycle regulation, and cellular signaling pathways, particularly within cell biology and neuroscience.
What are the CAS number and formula for Pterostilbene?
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The CAS number for Pterostilbene is 537-42-8, and its molecular formula is C16H16O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pterostilbene with a purity of ≥97% (HPLC). TSS does not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should Pterostilbene be handled safely?
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Pterostilbene is classified as Danger, with hazards including serious eye damage (H318) and toxicity to aquatic life with long-lasting effects (H411). It requires protection from light and should be handled with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves. Storage at 2-8°C is recommended.
Is Pterostilbene a controlled substance?
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The provided data does not indicate that Pterostilbene is a controlled substance.
How is Pterostilbene shipped and exported?
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Pterostilbene is shipped and exported as UN 3077, Class 9, Packing Group III, under conditions that protect it from light. For international shipments, compliance with ADR regulations (UN 3077 9 / PGIII) is followed.
How can I request a sample or quote for Pterostilbene?
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To request a sample or a quote for Pterostilbene, please contact Tech Serve Solutions directly through our established channels.
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