4-Bromo-3-methylthiophene-2-carboxaldehyde
4-Bromo-3-methylthiophene-2-carboxaldehyde (CAS 30153-47-0) is a heterocyclic organic compound with the molecular formula C6H5BrOS and a molecular weight of 205.07 g/mol. This thiophene derivative functions as a valuable building block in organic synthesis. It is primarily utilised in the research and development of novel chemical entities and advanced materials, particularly within the pharmaceutical and agrochemical sectors.

Organic Synthesis Intermediate
Serves as a key intermediate in the construction of more complex organic molecules. Its functional groups allow for diverse synthetic transformations.
Pharmaceutical Research
Employed in the development of new drug candidates and medicinal chemistry programs. The thiophene core is a common motif in various bioactive compounds.
Materials Science
Investigated for its potential incorporation into functional materials and polymers due to its heterocyclic structure.
Agrochemical Development
Utilised in the synthesis of potential new agrochemical agents, contributing to crop protection research.
| Molecular weight | 205.07 |
|---|---|
| Empirical formula | C6H5BrOS |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 72-77 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
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-Bromo-3-methylthiophene-2-carboxaldehyde used for?
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This compound is primarily used as a building block in organic synthesis, particularly in research and development within the pharmaceutical and agrochemical industries, and potentially in materials science.
What is the CAS number and chemical formula?
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The CAS number is 30153-47-0 and the empirical formula is C6H5BrOS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical at a minimum purity of 97%. We do not represent it as USP, BP, or EP grade.
How should 4-Bromo-3-methylthiophene-2-carboxaldehyde be handled?
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This compound is classified as Danger. It can cause severe eye damage (H318) and may cause respiratory irritation (H335), is harmful if swallowed (H302), and causes skin irritation (H315). Handle with appropriate personal protective equipment, avoid breathing dust/fume/gas/mist/vapours/spray, and ensure good ventilation. Wear protective gloves/protective clothing/eye protection/face protection.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions securely packs and exports fine chemicals globally, adhering to all relevant transport regulations.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales team through the website or by phone.
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