3-Ethoxycinnamic acid, predominantly trans
3-Ethoxycinnamic acid, predominantly trans (CAS: 103986-73-8) is a fine chemical compound with the linear formula C2H5OC6H4CH=CHCO2H and a molecular weight of 192.21 g/mol. It serves as a valuable building block in organic synthesis. This carboxylic acid derivative is primarily utilised in chemical research and development for constructing more complex molecules within pharmaceutical and materials science sectors.
- Synonyms
- C2H5OC6H4CH=CHCO2H

Organic Synthesis Intermediate
This compound functions as a key intermediate in multi-step organic synthesis. Its structure allows for various chemical transformations, making it useful for creating novel compounds.
Research and Development
Utilized in academic and industrial research settings to explore new chemical reactions and develop novel materials or active pharmaceutical ingredients. Its specific structural features offer unique synthetic pathways.
Building Block for Complex Molecules
As an organic building block, it contributes specific functionalities and structural motifs essential for the synthesis of larger, more complex chemical entities.
| Molecular weight | 192.21 |
|---|---|
| Linear formula | C2H5OC6H4CH=CHCO2H |
| Assay | 97% |
| Melting point | 131-133 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-Ethoxycinnamic acid, predominantly trans used for?
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3-Ethoxycinnamic acid, predominantly trans (CAS: 103986-73-8) is used as a building block and intermediate in organic synthesis, particularly in research and development for creating complex molecules.
What is the CAS number and formula for 3-Ethoxycinnamic acid, predominantly trans?
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The CAS number is 103986-73-8 and the linear formula is C2H5OC6H4CH=CHCO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Ethoxycinnamic acid, predominantly trans with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 3-Ethoxycinnamic acid, predominantly trans be handled safely?
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Handle with appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, and gloves. It is a Warning substance with hazards H315, H319, and H335 (causes skin irritation, serious eye irritation, and may cause respiratory irritation).
Is 3-Ethoxycinnamic acid, predominantly trans suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and laboratory reagents.
How can I request a quote or sample?
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To request a quote or sample of 3-Ethoxycinnamic acid, predominantly trans, please contact our sales team through the website or by phone.
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