4-Acetamido-2-methylbenzoic acid
4-Acetamido-2-methylbenzoic acid (CAS 103204-69-9) is an aromatic organic compound with the linear formula CH3CONHC6H3(CH3)CO2H and a molecular weight of 193.20. Supplied by Tech Serve Solutions at an assay of 96%, this compound serves as a valuable building block in chemical synthesis and research, particularly within the realms of peptide chemistry and the development of unnatural amino acid derivatives. Its structure allows for diverse functionalisation in organic chemistry.

Chemical Synthesis
Utilised as a versatile intermediate in the synthesis of more complex organic molecules. Its aromatic ring and functional groups offer multiple sites for chemical modification and elaboration.
Peptide Chemistry
Serves as a modified amino acid derivative for incorporation into peptides, enabling the exploration of novel peptide structures and functionalities in research settings.
Chemical Biology Research
A useful reagent for researchers investigating biological processes at a molecular level. Its structure may be relevant in studies involving biomolecules or enzyme interactions.
Unnatural Amino Acid Development
Contributes to the synthesis and study of unnatural amino acids, expanding the toolkit available for creating novel proteins and peptidomimetics.
| Molecular weight | 193.20 |
|---|---|
| Linear formula | CH3CONHC6H3(CH3)CO2H |
| Assay | 96% |
| Melting point | 237-242 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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-Acetamido-2-methylbenzoic acid used for?
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4-Acetamido-2-methylbenzoic acid is primarily used in chemical synthesis, peptide chemistry, chemical biology research, and the development of unnatural amino acid derivatives.
What is the CAS number and formula for 4-Acetamido-2-methylbenzoic acid?
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The CAS number is 103204-69-9, and the linear formula is CH3CONHC6H3(CH3)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Acetamido-2-methylbenzoic acid with an assay of 96%. This product is not represented as USP, BP, EP, or any pharmacopoeia grade.
What are the safety and handling precautions for this chemical?
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Appropriate personal protective equipment, including eyeshields and gloves, should be worn. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It is classified under WGK Germany 3.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter since 1998, ensures appropriate packaging and adherence to regulations for the safe transport and export of chemicals.
How can I request a sample or quote for 4-Acetamido-2-methylbenzoic acid?
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Please contact our sales team via the website or direct contact details to request a sample or a formal quotation.
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