2-Amino-3-chlorobenzoic acid
2-Amino-3-chlorobenzoic acid (CAS: 6388-47-2; Formula: H2NC6H3(Cl)CO2H) is a substituted anthranilic acid derivative with a molecular weight of 171.58 g/mol. It serves as a valuable building block in organic synthesis, particularly in the development of complex molecules for chemical biology and peptide chemistry. Its chlorinated aromatic structure offers unique reactivity for various chemical transformations.
- IUPAC
- 3-Chloroanthranilic acid
- Synonyms
- 3-Chloroanthranilic acid

Chemical Synthesis Intermediate
Utilised as a key intermediate in multi-step organic syntheses. Its functional groups (amine, carboxylic acid, and chlorine) allow for diverse chemical modifications and coupling reactions.
Peptide and Unnatural Amino Acid Research
Incorporated into the synthesis of modified peptides and unnatural amino acids, enabling the study of protein structure-function relationships and the development of novel biomolecules.
Chemical Biology Reagent
Employed in the creation of chemical probes and labelled compounds for investigating biological processes at a molecular level. It aids in understanding cellular mechanisms and disease pathways.
| Molecular weight | 171.58 |
|---|---|
| Linear formula | H2NC6H3(Cl)CO2H |
| Assay | 95% |
| Melting point | 189-191 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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-Amino-3-chlorobenzoic acid used for?
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2-Amino-3-chlorobenzoic acid is primarily used as an intermediate in chemical synthesis, particularly for creating unnatural amino acids, modified peptides, and in chemical biology research.
What are the CAS number and formula for 2-Amino-3-chlorobenzoic acid?
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The CAS number is 6388-47-2 and the chemical formula is H2NC6H3(Cl)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Amino-3-chlorobenzoic acid with an assay of 95%. This product is not represented as USP, BP, or EP grade.
What are the safety precautions for handling 2-Amino-3-chlorobenzoic acid?
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Handle with care using appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust. This compound is classified as irritating to the skin, eyes, and respiratory tract (H315-H319-H335).
Is 2-Amino-3-chlorobenzoic acid a controlled substance?
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The provided data does not indicate that 2-Amino-3-chlorobenzoic acid is a controlled substance.
How is 2-Amino-3-chlorobenzoic acid packed and exported?
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2-Amino-3-chlorobenzoic acid is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a quote or sample for 2-Amino-3-chlorobenzoic acid?
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Please contact our sales team through the website to request a quote or sample for 2-Amino-3-chlorobenzoic acid.
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