5-Methylpyridine-3-carboxylic acid
5-Methylpyridine-3-carboxylic acid (CAS 3222-49-9), with the molecular formula C7H7NO2 and a molecular weight of 137.14 g/mol, is a substituted pyridine derivative. This heterocyclic compound functions as a valuable building block in organic synthesis, particularly for creating more complex molecules. It is primarily utilised in chemical research and development, contributing to the synthesis of various organic compounds.
- IUPAC
- 5-Methylnicotinic acid

Organic Synthesis Intermediate
Serves as a key building block in the multi-step synthesis of complex organic molecules. Its pyridine core and carboxylic acid functionality allow for diverse chemical transformations.
Heterocyclic Chemistry
Used in the development of novel heterocyclic compounds. It is particularly relevant in research involving pyridine derivatives for potential pharmaceutical or material science applications.
Research and Development
A useful reagent in academic and industrial research laboratories for exploring new synthetic pathways and creating novel chemical entities.
| Molecular weight | 137.14 |
|---|---|
| Empirical formula | C7H7NO2 |
| Assay | 97% |
| Melting point | 207-215 °C |

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 |
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-Methylpyridine-3-carboxylic acid used for?
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5-Methylpyridine-3-carboxylic acid is used as a building block in organic synthesis and heterocyclic chemistry, primarily in research and development.
What are the CAS number and formula for 5-Methylpyridine-3-carboxylic acid?
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The CAS number is 3222-49-9 and the molecular formula is C7H7NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Methylpyridine-3-carboxylic acid with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 5-Methylpyridine-3-carboxylic acid be handled?
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Handle with appropriate personal protective equipment including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid inhalation of dust and ensure adequate ventilation, as it can cause respiratory irritation (H335).
How is 5-Methylpyridine-3-carboxylic acid packed and shipped?
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5-Methylpyridine-3-carboxylic acid is carefully packed for secure transit and exported globally by Tech Serve Solutions.
How can I request a sample or quote?
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To request a sample or quote for 5-Methylpyridine-3-carboxylic acid, please contact our sales team via the website or email.
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