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3,5-Dimethoxystilbene CAS NO 21956-56-9
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CAS No.:21956-56-9
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
3,5-Dimethoxystilbene is a high-purity synthetic organic compound belonging to the stilbene class of chemicals. This compound serves as a versatile pharmaceutical intermediate and a valuable building block in advanced organic synthesis. It is essential for R&D and production in the pharmaceutical, agrochemical, and fine chemical industries, where its unique molecular structure enables the development of novel active ingredients and functional materials.
Application
- Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly in oncology and anti-inflammatory research.
- Agrochemical Synthesis: Used as a building block for developing advanced crop protection agents and plant growth regulators.
- Organic Light-Emitting Diodes (OLEDs): Acts as a core material or dopant in the development of emissive layers due to its conjugated structure.
- UV Absorber & Stabilizer: Incorporated into polymer formulations and coatings to enhance resistance to photodegradation.
- Fluorescent Probe & Dye: Utilized in biochemical research and analytical chemistry for labeling and detection applications.
- Academic & Industrial R&D: Serves as a standard or starting material for chemical research in universities and corporate laboratories.
Basic Information
| Product Name | 3,5-Dimethoxystilbene |
| CAS No. | 21956-56-9 |
| Molecular Formula | C16H16O2 |
| Molecular Weight | 240.30 g/mol |
| Synonyms | trans-3,5-Dimethoxystilbene; 1,3-Dimethoxy-5-[(E)-2-phenylethenyl]benzene; (E)-1,2-Bis(3,5-dimethoxyphenyl)ethene (common misnomer); 3,5-Dimethoxy-(E)-stilbene; Stilbene, 3,5-dimethoxy-; Bibenzyl, 3,5-dimethoxy-α,β-didehydro- |
| EINECS | Contact for details |
Quality Control
Our 3,5-Dimethoxystilbene is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. We provide full traceability and detailed Certificates of Analysis (COA) for all shipments, supporting compliance with cGMP and ISO 9001 standards for research and industrial use.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be handled under appropriate conditions to maintain stability.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Purity (HPLC) | ≥ 98.0% |
| Melting Point | 118 - 122 °C |
| Loss on Drying | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals (as Pb) | ≤ 20 ppm |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






