3,4-Dimethoxycinnamic acid, predominantly trans
3,4-Dimethoxycinnamic acid (CAS: 2316-26-9), predominantly in its trans configuration, is an organic compound with the molecular formula (CH3O)2C6H3CH=CHCO2H and a molecular weight of 208.21 g/mol. This carboxylic acid derivative, also known as caffeic acid dimethyl ether, serves as a valuable building block in organic synthesis. It is employed in research and development for the creation of more complex molecules and chemical intermediates.
- IUPAC
- Caffeic acid dimethyl ether
- Synonyms
- 2316-26-9(CH3O)2C6H3CH=CHCO2HCaffeic acid dimethyl ether

Organic Synthesis Intermediate
3,4-Dimethoxycinnamic acid is utilised as a key intermediate in the synthesis of various organic compounds. Its structure allows for diverse chemical transformations, making it a useful starting material in multi-step synthetic routes.
Research and Development
This compound finds application in academic and industrial R&D laboratories for exploring novel chemical pathways and developing new materials. Its well-defined structure facilitates predictable reaction outcomes in research settings.
Building Block for Complex Molecules
As an organic building block, 3,4-Dimethoxycinnamic acid contributes to the construction of larger, more intricate molecular architectures. It is often incorporated into the synthesis of potential pharmaceutical agents or specialty chemicals.
| Molecular weight | 208.21 |
|---|---|
| Linear formula | (CH3O)2C6H3CH=CHCO2H |
| Assay | 99% |
| Melting point | 181-183 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 3,4-Dimethoxycinnamic acid predominantly used for?
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3,4-Dimethoxycinnamic acid is primarily used as a building block and intermediate in organic synthesis and research and development for creating more complex molecules.
What is the CAS number and formula for 3,4-Dimethoxycinnamic acid?
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The CAS number for 3,4-Dimethoxycinnamic acid is 2316-26-9, and its linear formula is (CH3O)2C6H3CH=CHCO2H.
What grade and purity does Tech Serve Solutions supply for 3,4-Dimethoxycinnamic acid?
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Tech Serve Solutions supplies 3,4-Dimethoxycinnamic acid with an assay of 99%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should 3,4-Dimethoxycinnamic acid be handled and stored?
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Handle 3,4-Dimethoxycinnamic acid with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Store in a cool, dry place away from incompatible materials. Refer to the safety data sheet for detailed hazard information. It has a WGK Germany classification of 3.
Is 3,4-Dimethoxycinnamic acid a controlled substance?
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The provided data does not indicate that 3,4-Dimethoxycinnamic acid is a controlled substance.
How can I request a quote or sample for 3,4-Dimethoxycinnamic acid?
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To request a quote or sample of 3,4-Dimethoxycinnamic acid, please contact our sales team through the website or by phone. We can arrange for export to your location.
What is the melting point of 3,4-Dimethoxycinnamic acid?
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3,4-Dimethoxycinnamic acid has a melting point of 181-183 °C.
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