4-Acetoxy-3-methoxycinnamaldehyde, predominantly trans
4-Acetoxy-3-methoxycinnamaldehyde, predominantly trans (CAS: 83071-67-4) is an organic compound with the linear formula CH3CO2C6H3(OCH3)CH=CHCHO and a molecular weight of 220.22 g/mol. This aldehyde derivative serves as a valuable building block in chemical synthesis, particularly within organic chemistry research and development. Its specific structure makes it useful for constructing more complex molecules. Tech Serve Solutions offers this compound for laboratory and industrial applications.
- Synonyms
- CH3CO2C6H3(OCH3)CH=CHCHO4-Acetoxy-3-methoxycinnamic aldehyde, trans

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of various organic molecules. Its aldehyde and acetoxy functionalities allow for diverse chemical transformations, making it useful in multi-step synthetic routes.
Research and Development
Utilised in academic and industrial R&D settings, 4-Acetoxy-3-methoxycinnamaldehyde supports the exploration of new chemical entities and reaction pathways. It is a component in the development of novel compounds with potential applications in materials science or pharmaceuticals.
Building Block for Fine Chemicals
As an organic building block, this cinnamaldehyde derivative is employed in the production of fine chemicals. Its well-defined structure is advantageous for researchers requiring specific molecular architectures.
| Molecular weight | 220.22 |
|---|---|
| Linear formula | CH3CO2C6H3(OCH3)CH=CHCHO |
| Assay | 95% |
| Vapour density | >0 (vs air) |
| Impurities tested | 2.46 wt. % diethyl ether |
| Melting point | 97-100 °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 4-Acetoxy-3-methoxycinnamaldehyde, predominantly trans used for?
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4-Acetoxy-3-methoxycinnamaldehyde, predominantly trans (CAS: 83071-67-4) is primarily used as a building block and intermediate in organic synthesis and chemical research and development.
What is the CAS number and chemical formula for this product?
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The CAS number is 83071-67-4, and the linear formula is CH3CO2C6H3(OCH3)CH=CHCHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 95%. It is supplied as a technical or research grade material and is not represented as USP, BP, EP, or any other pharmacopoeia standard.
How should 4-Acetoxy-3-methoxycinnamaldehyde, predominantly trans be handled safely?
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This compound is classified as a Warning with hazards H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Handle with a dust mask type N95 (US), eyeshields, and gloves in a well-ventilated area, following all applicable safety guidelines.
Is this product available for international export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and can arrange shipment worldwide.
How can I request a sample or quote for this chemical?
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To request a sample or quote, please contact our sales department through the website or by phone, providing the product name and CAS number (83071-67-4).
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