2-Amino-3-methoxybenzoic acid
2-Amino-3-methoxybenzoic acid (CAS: 3177-80-8) is a substituted anthranilic acid derivative with the molecular formula H2NC6H3(OCH3)CO2H and a molecular weight of 167.16 g/mol. This aromatic compound serves as a valuable building block in organic synthesis, particularly in the development of pharmaceuticals and biologically active molecules. Its structure, featuring both an amine and a carboxylic acid group alongside a methoxy substituent, allows for diverse chemical modifications.
- IUPAC
- 3-Methoxyanthranilic acid
- Synonyms
- 3-Methoxyanthranilic acid

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. Its functional groups enable participation in a wide range of chemical reactions for building novel compounds.
Pharmaceutical Research
A crucial component in the research and development of new pharmaceutical agents. It can be incorporated into molecular scaffolds designed for therapeutic applications.
Chemical Biology Probes
Employed in the creation of chemical probes for studying biological processes. The compound's structure is amenable to derivatisation for use in biochemical assays.
Peptide Chemistry
Serves as an unnatural amino acid derivative in peptide synthesis, allowing for the introduction of modified side chains into peptide structures for altered properties.
| Molecular weight | 167.16 |
|---|---|
| Linear formula | H2NC6H3(OCH3)CO2H |
| Assay | 98% |
| Melting point | 169-170 °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) | 26-37/39 |
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-methoxybenzoic acid used for?
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2-Amino-3-methoxybenzoic acid (CAS: 3177-80-8) is primarily used as an intermediate in organic synthesis, particularly for pharmaceutical research, the development of chemical biology probes, and in peptide chemistry.
What are the CAS number and formula for 2-Amino-3-methoxybenzoic acid?
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The CAS number is 3177-80-8, and the molecular formula is H2NC6H3(OCH3)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Amino-3-methoxybenzoic acid with a minimum assay of 98%. This product is suitable for research and chemical synthesis applications. TSS does not represent this product as USP, BP, or EP grade.
How should 2-Amino-3-methoxybenzoic acid be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (NIOSH N95 recommended), eyeshields, and gloves. Avoid inhalation of dust and ensure adequate ventilation, as it may cause respiratory tract irritation. Refer to the Safety Data Sheet for comprehensive information.
Is 2-Amino-3-methoxybenzoic acid exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2-Amino-3-methoxybenzoic acid, and ships worldwide.
How can I request a sample or quote for 2-Amino-3-methoxybenzoic acid?
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To request a sample or quote, please visit the Tech Serve Solutions website or contact our sales department directly with your requirements.
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