4-Amino-3-bromobenzoic acid
4-Amino-3-bromobenzoic acid (CAS: 6311-37-1) is an aromatic amino acid derivative with the molecular formula H2NC6H3(Br)CO2H and a molecular weight of 216.03 g/mol. It serves as a valuable building block in organic synthesis, particularly in the fields of chemical biology and peptide chemistry. This compound is typically supplied at an assay of 97% and is intended for research and laboratory applications.

Chemical Synthesis Intermediate
4-Amino-3-bromobenzoic acid is utilised as a key intermediate in the synthesis of more complex organic molecules. Its functional groups allow for diverse chemical transformations, making it useful in the development of novel compounds.
Peptide Chemistry
As an unnatural amino acid derivative, it can be incorporated into peptide chains to modify their structure and properties. This is important for research in chemical biology and drug discovery.
Research and Development
This compound finds application in academic and industrial research laboratories for exploring new chemical reactions and creating bespoke molecules for specific scientific investigations.
| Molecular weight | 216.03 |
|---|---|
| Linear formula | H2NC6H3(Br)CO2H |
| Assay | 97% |
| Melting point | 211-215 °C |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| 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) | 22-36/37/38 |
| Safety statements (S) | 26-36 |
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-Amino-3-bromobenzoic acid used for?
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4-Amino-3-bromobenzoic acid is primarily used as an intermediate in chemical synthesis, particularly in peptide chemistry and chemical biology research, to create novel organic molecules and modified peptides.
What are the CAS number and chemical formula for 4-Amino-3-bromobenzoic acid?
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The CAS number is 6311-37-1 and the linear chemical formula is H2NC6H3(Br)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Amino-3-bromobenzoic acid at an assay of 97%. This is a technical/research grade material, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia standard.
How should 4-Amino-3-bromobenzoic acid be handled safely?
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4-Amino-3-bromobenzoic acid is classified as Danger, with hazards including toxicity if swallowed, skin irritation, serious eye irritation, and respiratory irritation (H301-H315-H319-H335). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, face shields, and gloves, is essential. Ensure good ventilation and avoid breathing dust. Handle only in a well-ventilated area or fume hood.
How is 4-Amino-3-bromobenzoic acid packed, shipped, and exported?
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4-Amino-3-bromobenzoic acid is shipped according to its hazard classification (UN 2811, Class 6.1, PGIII). Tech Serve Solutions adheres to all international shipping regulations for hazardous materials, ensuring safe and compliant export globally.
How can I request a sample or quote for 4-Amino-3-bromobenzoic acid?
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To request a sample or a quotation, please use the contact form on our website or email our sales department directly, providing your details and the product name or CAS number.
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