2-Bromo-5-methoxybenzoic acid
2-Bromo-5-methoxybenzoic acid (CAS: 22921-68-2) is a key organic building block with the molecular formula BrC6H3(OCH3)CO2H and a molecular weight of 231.04 g/mol. This aromatic carboxylic acid features both a bromine atom and a methoxy group on the benzene ring, making it a versatile intermediate in organic synthesis. It is commonly employed in the creation of more complex molecules within the pharmaceutical and chemical industries.

Pharmaceutical Intermediate
Serves as a crucial building block in the multi-step synthesis of active pharmaceutical ingredients (APIs). Its specific functional groups allow for targeted chemical modifications to develop novel therapeutic compounds.
Organic Synthesis
Utilised as a reagent in academic and industrial research for the construction of complex organic molecules. It enables the introduction of a substituted benzoic acid moiety into larger structures.
Material Science
Can be incorporated into the synthesis of specialty polymers or advanced materials requiring specific aromatic functionalities and reactivity.
| Molecular weight | 231.04 |
|---|---|
| Linear formula | BrC6H3(OCH3)CO2H |
| Assay | 98% |
| Melting point | 157-159 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 2-Bromo-5-methoxybenzoic acid primarily used for?
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2-Bromo-5-methoxybenzoic acid is primarily used as an intermediate in organic synthesis, particularly in the development of pharmaceuticals and other complex organic molecules.
What are the CAS number and chemical formula for 2-Bromo-5-methoxybenzoic acid?
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The CAS number for 2-Bromo-5-methoxybenzoic acid is 22921-68-2, and its chemical formula is BrC6H3(OCH3)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Bromo-5-methoxybenzoic acid with a minimum purity of 98% (assay). This product is suitable for research and general chemical synthesis; TSS does not represent it as USP, BP, or EP grade.
How should 2-Bromo-5-methoxybenzoic acid be handled?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if airborne exposure is possible. Consult the Safety Data Sheet for detailed information.
How is 2-Bromo-5-methoxybenzoic acid packed and shipped?
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This chemical is carefully packed and exported in compliance with all relevant transportation regulations to ensure safe delivery worldwide.
How can I request a quote or sample for 2-Bromo-5-methoxybenzoic acid?
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To request a quote or sample, please contact our sales team through the website or by phone, providing your specific requirements.
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