Methyl 5-aminosalicylate
Methyl 5-aminosalicylate (CAS 42753-75-3), with the molecular formula C8H9NO3 and a molecular weight of 167.16 g/mol, is a useful organic compound. It serves as a versatile building block in chemical synthesis and is employed in the development of various organic molecules. This ester is recognised for its utility in constructing more complex chemical structures within research and industrial settings.

Organic Synthesis
Methyl 5-aminosalicylate functions as a key intermediate and building block in the synthesis of diverse organic compounds. Its chemical structure allows for various functional group transformations and elaborations.
Pharmaceutical Research
This compound can be utilized in the early stages of drug discovery and development as a precursor or intermediate. It offers a scaffold for creating novel molecular entities with potential therapeutic applications.
Material Science
The unique functional groups present in Methyl 5-aminosalicylate may lend themselves to applications in the development of new materials or polymers, though specific applications are under ongoing research.
| Molecular weight | 167.16 |
|---|---|
| Empirical formula | C8H9NO3 |
| Assay | 97% |
| Melting point | 95-99 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38-43 |
| Safety statements (S) | 26 |
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 Methyl 5-aminosalicylate used for?
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Methyl 5-aminosalicylate is primarily used as a building block and intermediate in organic synthesis, with potential applications in pharmaceutical research and material science.
What are the CAS number and molecular formula for Methyl 5-aminosalicylate?
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The CAS number for Methyl 5-aminosalicylate is 42753-75-3, and its molecular formula is C8H9NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl 5-aminosalicylate with an assay of 97%. This product is not classified as USP, BP, or EP grade and is intended for research and laboratory use.
How should Methyl 5-aminosalicylate be handled safely?
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Handling should involve using a dust mask type N95, eyeshields, faceshields, and gloves. Avoid breathing dust/fume/gas/mist/vapours/spray. It is classified as harmful if swallowed, causes skin irritation, may cause an allergic skin reaction, causes serious eye irritation, and may cause respiratory irritation.
Is Methyl 5-aminosalicylate a controlled substance?
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Based on the provided data, Methyl 5-aminosalicylate is not listed as a controlled substance.
How is Methyl 5-aminosalicylate packaged and shipped?
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Tech Serve Solutions exports fine chemicals globally, ensuring appropriate packaging for safe transport. Specific packaging details can be provided upon request.
How can I request a quote or sample for Methyl 5-aminosalicylate?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number (42753-75-3).
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