5-Amino-2-chlorobenzoic acid
5-Amino-2-chlorobenzoic acid (CAS: 89-54-3; Formula: H2NC6H3(Cl)CO2H; MW: 171.58) is a valuable aromatic amino acid derivative supplied by TSS. This compound serves as a key building block in chemical synthesis, particularly in the development of unnatural amino acids and in peptide chemistry. Its specific structural features make it useful in various chemical biology applications. TSS provides this chemical with high purity, meeting rigorous standards for research and development.

Chemical Synthesis Intermediate
Utilised as a versatile intermediate in organic synthesis, 5-Amino-2-chlorobenzoic acid is instrumental in constructing complex molecules. It is particularly relevant for creating novel compounds with specific functionalities.
Peptide Chemistry
This compound serves as a non-standard amino acid derivative for incorporation into peptides. Its inclusion can modify peptide structure, stability, and biological activity in research settings.
Chemical Biology Research
Researchers employ 5-Amino-2-chlorobenzoic acid in studies exploring biological pathways and molecular interactions. Its unique chemical properties facilitate the development of probes and tools for biological investigations.
Unnatural Amino Acid Synthesis
It is a critical precursor for synthesising unnatural amino acids, expanding the repertoire of building blocks available for designing modified proteins and peptidomimetics.
| Molecular weight | 171.58 |
|---|---|
| Linear formula | H2NC6H3(Cl)CO2H |
| Assay | 97% |
| Melting point | 184-188 °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) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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 5-Amino-2-chlorobenzoic acid used for?
+
5-Amino-2-chlorobenzoic acid is used as an intermediate in chemical synthesis, particularly for developing unnatural amino acids, in peptide chemistry, and in chemical biology research.
What is the CAS number and chemical formula for 5-Amino-2-chlorobenzoic acid?
+
The CAS number is 89-54-3 and the chemical formula is H2NC6H3(Cl)CO2H.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 5-Amino-2-chlorobenzoic acid with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How should 5-Amino-2-chlorobenzoic acid be handled?
+
Handle with appropriate personal protective equipment, including a dust mask (NIOSH N95 or equivalent), eye shields, and gloves. Avoid breathing dust. Ensure adequate ventilation, particularly in work areas. It is classified as a warning substance, causing skin irritation, serious eye irritation, and respiratory irritation (H315, H319, H335).
Is 5-Amino-2-chlorobenzoic acid a controlled substance?
+
Based on the provided data, there is no indication that 5-Amino-2-chlorobenzoic acid is a controlled substance.
How is 5-Amino-2-chlorobenzoic acid shipped and exported?
+
Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents. We adhere to all necessary regulations for the safe and compliant shipping and export of this product.
How can I request a quote or sample for 5-Amino-2-chlorobenzoic acid?
+
Please contact our sales team or use the online inquiry form on our website to request a quote or a sample of 5-Amino-2-chlorobenzoic acid.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis