4-Formylcinnamic acid, predominantly trans
4-Formylcinnamic acid, predominantly trans (CAS 23359-08-2) is a white to off-white crystalline solid with a molecular weight of 176.17 g/mol. It is an organic compound featuring both aldehyde and carboxylic acid functional groups, offering versatility as a building block in chemical synthesis. Primarily utilised in the creation of more complex molecules, it serves as an intermediate in various organic chemistry research and development applications, particularly within pharmaceutical and materials science research.
- Synonyms
- HCOC6H4CH=CHCO2H

Organic Synthesis Intermediate
4-Formylcinnamic acid is a valuable intermediate in the synthesis of complex organic molecules. Its dual functionality allows for diverse chemical transformations, making it useful in multi-step synthetic pathways for novel compounds.
Pharmaceutical Research
This compound may be employed in the synthesis of potential pharmaceutical agents. Its structure is suitable for derivatization into molecules with targeted biological activities, aiding in drug discovery efforts.
Materials Science
As a building block, 4-Formylcinnamic acid can be incorporated into polymers or functional materials. Its structure lends itself to the development of materials with specific optical or electronic properties.
| Molecular weight | 176.17 |
|---|---|
| Linear formula | HCOC6H4CH=CHCO2H |
| Application | 4-Formylcinnamic acid may be used in the synthesis of (E)-4-[(5,6,7,8-tetrahydro-5,5,8,8-tetramethylnaphth-2-yl)-ethynyl]-cinnamic acid. |
| Melting point | 251-254 °C (dec.)(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) | 26-37/39 |
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 4-Formylcinnamic acid predominantly trans used for?
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4-Formylcinnamic acid, predominantly trans, is primarily used as an intermediate in organic synthesis. It can be utilised in the preparation of more complex molecules, such as (E)-4-[(5,6,7,8-tetrahydro-5,5,8,8-tetramethylnaphth-2-yl)-ethynyl]-cinnamic acid, and is relevant in pharmaceutical and materials science research.
What are the CAS number and formula for 4-Formylcinnamic acid?
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The CAS number for 4-Formylcinnamic acid is 23359-08-2. Its linear formula is HCOC6H4CH=CHCO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Formylcinnamic acid, predominantly trans, with a stated purity based on the product specifications. As this is a research chemical, it is supplied for laboratory and research purposes and is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should 4-Formylcinnamic acid be handled?
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4-Formylcinnamic acid is classified as a Warning. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). When handling, use a dust mask type N95 (US), wear eyeshields and gloves, and ensure adequate ventilation. Avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes and remove contact lenses if present and easy to do. Continue rinsing.
Does Tech Serve Solutions export 4-Formylcinnamic acid?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Formylcinnamic acid, serving customers worldwide.
How can I request a sample or quote for 4-Formylcinnamic acid?
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To request a sample or a quotation for 4-Formylcinnamic acid, please contact the Tech Serve Solutions sales team via the website or direct inquiry channels.
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