4-Bromothiazole-2-carboxaldehyde
4-Bromothiazole-2-carboxaldehyde (CAS: 167366-05-4) is a halogenated heterocyclic organic compound with the molecular formula C4H2BrNOS and a molecular weight of 192.03 g/mol. It is primarily utilised as a versatile building block in organic synthesis. Its reactive aldehyde group and brominated thiazole ring make it a valuable intermediate for creating more complex molecules, particularly in the fields of pharmaceutical research and materials science.
- IUPAC
- 4-Bromo-2-formylthiazole,4-Bromothiazole-2-carbaldehyde
- Synonyms
- 4-Bromo-2-formylthiazole4-Bromothiazole-2-carbaldehyde

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of complex organic molecules. Its functional groups allow for diverse chemical transformations, enabling the construction of novel compounds.
Pharmaceutical Research
Utilised in the development of potential new drug candidates. The thiazole moiety is a common feature in many biologically active compounds.
Materials Science
Can be incorporated into the design and synthesis of novel materials with specific electronic or optical properties.
| Molecular weight | 192.03 |
|---|---|
| Empirical formula | C4H2BrNOS |
| Assay | 96% |
| Melting point | 66-70 °C |


Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36-43 |
| Safety statements (S) | 26-36/37 |
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-Bromothiazole-2-carboxaldehyde used for?
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4-Bromothiazole-2-carboxaldehyde is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and materials science for creating complex molecules.
What is the CAS number and chemical formula for 4-Bromothiazole-2-carboxaldehyde?
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The CAS number is 167366-05-4 and the chemical formula is C4H2BrNOS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromothiazole-2-carboxaldehyde with a purity of 96%. We do not represent this product as USP, BP, or EP grade.
How should 4-Bromothiazole-2-carboxaldehyde be handled safely?
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This compound is classified as Danger, with hazards including H302 (Harmful if swallowed), H319 (Causes serious eye irritation), and H334 (May cause allergy or asthma symptoms or breathing difficulties if inhaled). Use appropriate personal protective equipment including a dust mask type N95, eyeshields, face shields, and gloves. Ensure adequate ventilation.
How is 4-Bromothiazole-2-carboxaldehyde packed and shipped?
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Tech Serve Solutions, as a global supplier and exporter, ensures appropriate packaging for safe international shipment of chemicals like 4-Bromothiazole-2-carboxaldehyde.
How can I request a quote or sample?
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To request a quote or a sample of 4-Bromothiazole-2-carboxaldehyde, please contact our sales team through the TSS website or by calling us directly.
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