3-Methylpyridine-2-carboxylic acid
3-Methylpyridine-2-carboxylic acid (CAS: 4021-07-2), with the molecular formula C7H7NO2 and a molecular weight of 137.14 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of pyridine chemistry. This compound is utilised in the development of novel molecules and intermediates across various scientific research and development sectors.
- IUPAC
- 3-Methylpicolinic acid

Chemical Synthesis Intermediate
3-Methylpyridine-2-carboxylic acid is employed as an intermediate in the synthesis of more complex organic molecules. Its pyridine ring and carboxylic acid functional group offer versatile reaction sites for chemists.
Research and Development
This compound is a useful reagent in research laboratories for exploring new chemical pathways and developing novel compounds. Its specific structure lends itself to targeted synthetic strategies.
Heterocyclic Chemistry
As a substituted pyridine, it is a key component in studies and syntheses involving heterocyclic compounds, which are prevalent in pharmaceuticals and agrochemicals.
| Molecular weight | 137.14 |
|---|---|
| Empirical formula | C7H7NO2 |
| Assay | 97% |
| Melting point | 114-118 °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) | 26-36 |
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 3-Methylpyridine-2-carboxylic acid used for?
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3-Methylpyridine-2-carboxylic acid is primarily used as a building block and intermediate in chemical synthesis, particularly in the field of heterocyclic and pyridine chemistry for research and development purposes.
What is the CAS number and formula for 3-Methylpyridine-2-carboxylic acid?
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The CAS number is 4021-07-2 and the empirical formula is C7H7NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methylpyridine-2-carboxylic acid with an assay of 97%. This product is not specified as USP, BP, or EP grade.
How should 3-Methylpyridine-2-carboxylic acid be handled?
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Handle 3-Methylpyridine-2-carboxylic acid with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. It is classified as a Warning with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation).
Is 3-Methylpyridine-2-carboxylic acid a controlled substance?
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The provided data does not indicate that 3-Methylpyridine-2-carboxylic acid is a controlled substance.
How is 3-Methylpyridine-2-carboxylic acid shipped by TSS?
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Tech Serve Solutions exports fine chemicals globally. Specific shipping and packing details are available upon request.
How can I request a sample or quote for 3-Methylpyridine-2-carboxylic acid?
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To request a sample or a quote for 3-Methylpyridine-2-carboxylic acid, please contact the TSS sales team through our official website or listed contact channels.
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