3-Amino-5-bromobenzoic acid
3-Amino-5-bromobenzoic acid (CAS 42237-85-4) is a versatile organic compound with the molecular formula C7H6BrNO2 and a molecular weight of 216.03 g/mol. As a substituted aromatic amino acid, it functions as a key building block in chemical synthesis. It is particularly valuable in the development of novel molecules within chemical biology, peptide chemistry, and the creation of unnatural amino acid derivatives.

Chemical Synthesis Intermediate
Serves as a crucial intermediate in the synthesis of more complex organic molecules. Its amino and carboxylic acid functionalities, coupled with the bromine substituent, allow for diverse chemical transformations.
Building Block for Specialty Chemicals
Utilised as a foundational building block in the creation of specialty chemicals and advanced materials. The specific arrangement of functional groups enables targeted molecular design.
Research and Development
Employed in research laboratories for exploring new synthetic pathways and developing novel compounds in areas such as medicinal chemistry and materials science.
Peptide and Amino Acid Derivative Synthesis
Applicable in the synthesis of modified peptides and unnatural amino acid derivatives, expanding the scope of biochemical and pharmaceutical research.
| Molecular weight | 216.03 |
|---|---|
| Empirical formula | C7H6BrNO2 |
| Assay | 97% |
| Melting point | 217-221 °C |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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-Amino-5-bromobenzoic acid used for?
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3-Amino-5-bromobenzoic acid is primarily used as an intermediate and building block in chemical synthesis, particularly in research and development for creating complex organic molecules, including those in peptide chemistry and chemical biology.
What is the CAS number and chemical formula for 3-Amino-5-bromobenzoic acid?
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The CAS number for 3-Amino-5-bromobenzoic acid is 42237-85-4, and its empirical formula is C7H6BrNO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Amino-5-bromobenzoic acid with a minimum purity of 97% (Assay). We do not represent this product as USP, BP, or EP grade.
How should 3-Amino-5-bromobenzoic acid be handled safely?
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This compound is classified as toxic if swallowed (H301) and requires careful handling. Use with adequate ventilation and wear appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, faceshields, and gloves. Consult the Safety Data Sheet (SDS) for comprehensive handling instructions.
Is 3-Amino-5-bromobenzoic acid suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3-Amino-5-bromobenzoic acid, adhering to all necessary shipping regulations for international delivery (UN 2811 6.1 / PGIII).
How can I request a sample or quote for 3-Amino-5-bromobenzoic acid?
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To request a sample or a quote for 3-Amino-5-bromobenzoic acid, please contact our sales team through the website or by phone, providing your specific requirements.
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