Methyl 5-bromo-2-iodobenzoate
Methyl 5-bromo-2-iodobenzoate (CAS: 181765-86-6) is a chemical compound with the formula BrC6H3(I)CO2CH3 and a molecular weight of 340.94 g/mol. This organic ester serves as a versatile building block in chemical synthesis. Its structure, featuring both bromine and iodine substituents on a benzoate core, allows for diverse synthetic transformations. It is primarily utilised in research and development settings for the creation of more complex molecules.

Organic Synthesis Intermediate
Methyl 5-bromo-2-iodobenzoate is a key intermediate in the synthesis of complex organic molecules. Its di-halogenated structure enables selective functionalisation through various cross-coupling reactions and other transformations.
Pharmaceutical Research
This compound is employed in the research and development of novel pharmaceutical agents. It can be incorporated into synthetic routes for potential drug candidates, leveraging its specific structural features.
Material Science
The molecule's unique arrangement of halogen atoms and the ester group may find application in the development of new materials with specific electronic or optical properties.
| Molecular weight | 340.94 |
|---|---|
| Linear formula | BrC6H3(I)CO2CH3 |
| Assay | 97% |
| Melting point | 45-49 °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 |
|---|---|
| Flash point | >110 °C / >230 °F |
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 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 Methyl 5-bromo-2-iodobenzoate used for?
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Methyl 5-bromo-2-iodobenzoate is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and potentially in material science.
What are the CAS number and formula for Methyl 5-bromo-2-iodobenzoate?
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The CAS number is 181765-86-6, and its chemical formula is BrC6H3(I)CO2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl 5-bromo-2-iodobenzoate with an assay of 97%. This is a technical/research grade, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia standard.
How should Methyl 5-bromo-2-iodobenzoate be handled safely?
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This compound is classified as toxic if swallowed and causes serious eye irritation. Handle with appropriate personal protective equipment, including eyeshields, face shields, gloves, and a type P2 respirator. It has a flash point over 110 °C (230 °F).
Is Methyl 5-bromo-2-iodobenzoate a controlled substance?
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The provided data indicates a hazard code of 'T' in Europe, signifying toxicity, and a Risk Statement of R25 (Toxic if swallowed), with precautionary statements P301 + P310 (IF SWALLOWED: Immediately call a POISON CENTER/doctor). It is not explicitly listed as a controlled or scheduled substance in the provided safety information.
How is Methyl 5-bromo-2-iodobenzoate packed and shipped?
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This chemical is shipped under UN 2811, Hazard Class 6.1, Packing Group III. Packaging adheres to regulations for toxic substances.
How can I request a quote or sample?
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Please contact our sales department via the website or provided contact details to request a quote or arrange for a sample of Methyl 5-bromo-2-iodobenzoate.
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