4-Bromothiophene-3-carboxamide
4-Bromothiophene-3-carboxamide (CAS: 100245-61-2) is a halogenated heterocyclic organic compound with the molecular formula C5H4BrNOS and a molecular weight of 206.06 g/mol. Supplied at a minimum assay of 97%, this thiophene derivative serves as a valuable building block in chemical synthesis, particularly for researchers and manufacturers involved in the development of novel pharmaceuticals and advanced materials. Its structure facilitates diverse chemical transformations.
- IUPAC
- 4-Bromothiophene-3-carboxylic acid amide

Pharmaceutical Intermediate
Utilised as a key intermediate in the synthesis of active pharmaceutical ingredients (APIs). Its brominated thiophene core allows for functionalisation in drug discovery programs.
Organic Synthesis Building Block
A versatile reagent for constructing complex organic molecules. Its reactivity enables its incorporation into diverse synthetic pathways for novel compound development.
Materials Science Research
Employed in research for the development of new organic electronic materials or functional polymers, leveraging the unique properties of the thiophene ring.
| Molecular weight | 206.06 |
|---|---|
| Empirical formula | C5H4BrNOS |
| Assay | 97% |
| Melting point | 150-155 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- 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) | 22-36/37/38-43 |
| 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-Bromothiophene-3-carboxamide used for?
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4-Bromothiophene-3-carboxamide (CAS: 100245-61-2) is primarily used as a building block in organic synthesis, particularly for the development of pharmaceutical intermediates and potentially in materials science research.
What is the CAS number and molecular formula for 4-Bromothiophene-3-carboxamide?
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The CAS number is 100245-61-2 and the molecular formula is C5H4BrNOS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromothiophene-3-carboxamide with a minimum assay of 97%. This compound is not represented as USP, BP, EP, or pharmacopoeia grade.
What are the safety considerations when handling 4-Bromothiophene-3-carboxamide?
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This compound is classified under GHS07 with a Warning signal word. It is harmful if swallowed (H302), causes skin irritation (H315), may cause an allergic skin reaction (H317), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment (P280) and follow recommended safety precautions (P261, P305 + P351 + P338).
Is 4-Bromothiophene-3-carboxamide a controlled substance?
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The provided data does not indicate that 4-Bromothiophene-3-carboxamide is a controlled substance.
How is 4-Bromothiophene-3-carboxamide typically packed and shipped?
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Tech Serve Solutions expertly packs and ships fine chemicals, pharmaceutical intermediates, and laboratory reagents globally, adhering to all necessary regulations for safe and compliant transport.
How can I request a sample or quote for 4-Bromothiophene-3-carboxamide?
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Please contact our sales department through the website or direct email to request a sample or obtain a quotation for 4-Bromothiophene-3-carboxamide.
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