3-Bromobenzothiophene-2-carboxaldehyde
3-Bromobenzothiophene-2-carboxaldehyde (CAS: 10135-00-9) is a halogenated heterocyclic aldehyde with a molecular weight of 241.10 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly for the construction of complex molecules containing the benzothiophene core. Its reactivity, stemming from both the aldehyde and the bromo-substituent, makes it a versatile intermediate for research and development in areas like medicinal chemistry and materials science.

Organic Synthesis Intermediate
Utilised as a key building block for synthesising novel organic compounds. The presence of both an aldehyde and a bromine atom allows for diverse synthetic transformations.
Medicinal Chemistry Research
A precursor for developing potential pharmaceutical agents and drug candidates. Benzothiophene derivatives are explored for various biological activities.
Materials Science
Investigated for its potential in creating new functional materials, such as organic semiconductors or fluorescent probes, due to its heterocyclic structure.
| Molecular weight | 241.10 |
|---|---|
| Empirical formula | C9H5BrOS |
| Assay | 95% |
| Melting point | 117-121 °C123 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-36 |
| Safety statements (S) | 26-36/37-45 |
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 3-Bromobenzothiophene-2-carboxaldehyde used for?
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3-Bromobenzothiophene-2-carboxaldehyde is primarily used as a building block in organic synthesis, particularly in medicinal chemistry research and materials science for creating novel compounds.
What is the CAS number and molecular formula?
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The CAS number for 3-Bromobenzothiophene-2-carboxaldehyde is 10135-00-9, and its empirical formula is C9H5BrOS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Bromobenzothiophene-2-carboxaldehyde with an assay of 95%. This product is intended for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
What are the safety and handling considerations?
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This compound is classified as Danger (GHS06) with hazard statements H301 and H319, indicating it is toxic if swallowed and causes serious eye irritation. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and P2 respirator cartridges, is required. Handle with extreme care and follow emergency procedures (P301 + P310, P305 + P351 + P338).
How is this chemical shipped and exported?
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Shipments of 3-Bromobenzothiophene-2-carboxaldehyde adhere to UN 2811 6.1 / PGIII regulations. Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals.
How can I request a quote or sample?
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To request a quote or a sample of 3-Bromobenzothiophene-2-carboxaldehyde, please contact our sales department through the website or by telephone.
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