5-(Acetylamino)-2-hydroxybenzoic acid
5-(Acetylamino)-2-hydroxybenzoic acid (CAS 51-59-2) is an organic compound with the molecular formula C9H9NO4 and a molecular weight of 195.17 g/mol. This acetylated derivative of salicylic acid functions as a valuable intermediate in organic synthesis. Its structure, featuring both a carboxylic acid and a phenolic hydroxyl group, alongside an amide, makes it a versatile building block for more complex molecules in chemical research and development.
- IUPAC
- Acetylmesalazine,5-Acetamidosalicylic acid,N-Acetyl-5-aminosalicylic acid,NSC 54183
- Synonyms
- Acetylmesalazine5-Acetamidosalicylic acidN-Acetyl-5-aminosalicylic acidNSC 54183

Organic Synthesis Intermediate
Utilised as a fundamental building block in the synthesis of various organic compounds. Its functional groups allow for diverse chemical transformations.
Chemical Research
Employed in laboratory settings for the exploration of new chemical entities and reaction pathways. It serves as a precursor in academic and industrial R&D projects.
Pharmaceutical Precursor
Can be used in the multi-step synthesis of active pharmaceutical ingredients (APIs) or related research compounds.
| Molecular weight | 195.17 |
|---|---|
| Empirical formula | C9H9NO4 |
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-(Acetylamino)-2-hydroxybenzoic acid used for?
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5-(Acetylamino)-2-hydroxybenzoic acid is primarily used as an intermediate in organic synthesis and chemical research, potentially serving as a precursor in pharmaceutical development.
What are the CAS number and chemical formula?
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The CAS number for 5-(Acetylamino)-2-hydroxybenzoic acid is 51-59-2, and its chemical formula is C9H9NO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound for research and chemical synthesis purposes. The specific grade and purity are available upon request; we do not represent it as USP, BP, or EP grade.
What are the safety and handling precautions for 5-(Acetylamino)-2-hydroxybenzoic acid?
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Refer to the Safety Data Sheet (SDS) for detailed hazard information and handling precautions. General laboratory safety practices should be observed, including wearing appropriate personal protective equipment.
How is 5-(Acetylamino)-2-hydroxybenzoic acid packed, shipped, and exported?
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This chemical is carefully packed according to international regulations for safe transport. Tech Serve Solutions is an experienced global exporter of fine chemicals.
How can I request a sample or quote for 5-(Acetylamino)-2-hydroxybenzoic acid?
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To request a sample or a detailed quotation, please contact our sales team through the website or by calling us directly. Please reference the product name and CAS number.
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