trans-5-Bromo-2-methoxycinnamic acid
trans-5-Bromo-2-methoxycinnamic acid (CAS: 40803-53-0) is a valuable organic compound with the molecular formula C10H9BrO3 and a molecular weight of 257.08 g/mol. This bromo-methoxy substituted cinnamic acid derivative serves as a versatile building block in organic synthesis. It is primarily employed in the chemical industry for the development of novel molecules and intermediates, particularly within research and development settings, contributing to advancements in material science and medicinal chemistry.

Organic Synthesis Intermediate
This compound functions as a key intermediate in multi-step organic syntheses. Its specific structural features, including the bromine atom and methoxy group on the aromatic ring, and the cinnamic acid moiety, allow for diverse chemical transformations.
Building Block for Novel Compounds
It is utilized as a fundamental building block for constructing more complex organic molecules. Researchers and chemists leverage its reactivity to design and synthesize new chemical entities for various research purposes.
Research and Development
Primarily used in R&D laboratories, trans-5-Bromo-2-methoxycinnamic acid supports the exploration of new chemical pathways and the creation of novel materials or potential pharmaceutical candidates.
| Molecular weight | 257.08 |
|---|---|
| Linear formula | BrC6H3(OCH3)CH=CHCO2H |
| Assay | 98% |
| Melting point | 224-227 °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) | 26-37/39 |
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 trans-5-Bromo-2-methoxycinnamic acid used for?
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trans-5-Bromo-2-methoxycinnamic acid is used as a building block and intermediate in organic synthesis, primarily for research and development purposes to create novel chemical compounds.
What is the CAS number and formula for trans-5-Bromo-2-methoxycinnamic acid?
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The CAS number is 40803-53-0, and the linear formula is BrC<sub>6</sub>H<sub>3</sub>(OCH<sub>3</sub>)CH=CHCO<sub>2</sub>H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-5-Bromo-2-methoxycinnamic acid with a purity of 98%. This product is typically supplied for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should trans-5-Bromo-2-methoxycinnamic acid be handled safely?
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Handle with appropriate personal protective equipment including eyeshields, gloves, and a dust mask (type N95 or equivalent). Avoid inhalation of dust and ensure adequate ventilation, as it may cause skin, eye, and respiratory irritation (H315-H319-H335).
Is trans-5-Bromo-2-methoxycinnamic acid available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including trans-5-Bromo-2-methoxycinnamic acid.
How can I request a quote or sample?
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Please contact our sales team directly through our website or by phone to request a quote or sample of trans-5-Bromo-2-methoxycinnamic acid.
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