4-Methylpyridine-3-carboxylic acid
4-Methylpyridine-3-carboxylic acid (CAS: 3222-50-2), with the molecular formula C7H7NO2 and a molecular weight of 137.14 g/mol, is a valuable heterocyclic building block. It is primarily utilised in chemical synthesis and research, serving as an intermediate for more complex organic molecules. This compound is a key component in the development of novel chemical entities within research and development laboratories.
- IUPAC
- 4-Methylnicotinic acid
- Synonyms
- 4-Methylnicotinic acid

Organic Synthesis Intermediate
Serves as a fundamental building block in the synthesis of various organic compounds. Its pyridine ring and carboxylic acid functionality allow for diverse chemical transformations.
Research and Development
Employed in laboratory settings for the exploration of new chemical pathways and the creation of novel molecular structures. Crucial for medicinal chemistry and materials science investigations.
Heterocyclic Chemistry
A key reagent in the field of heterocyclic chemistry, enabling the construction of pyridine-based derivatives with potential applications in pharmaceuticals and agrochemicals.
| Molecular weight | 137.14 |
|---|---|
| Empirical formula | C7H7NO2 |
| Assay | 97% |
| Melting point | 217-221 °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 4-Methylpyridine-3-carboxylic acid used for?
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4-Methylpyridine-3-carboxylic acid is primarily used as a building block in organic synthesis and in research and development laboratories for creating novel chemical entities.
What are the CAS number and formula for 4-Methylpyridine-3-carboxylic acid?
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The CAS number is 3222-50-2 and the empirical formula (Hill notation) is C7H7NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Methylpyridine-3-carboxylic acid with an assay of 97%. This is suitable for research and general chemical synthesis purposes; TSS does not represent it as USP, BP, or EP grade.
How should 4-Methylpyridine-3-carboxylic acid be handled?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust and ensure good ventilation. It is classified as an irritant to the skin, eyes, and respiratory tract (H315-H319-H335).
Is 4-Methylpyridine-3-carboxylic acid a controlled substance?
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The provided data does not indicate that 4-Methylpyridine-3-carboxylic acid is a controlled substance.
How is 4-Methylpyridine-3-carboxylic acid packed and shipped?
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It is typically supplied in quantities suitable for laboratory use. Tech Serve Solutions adheres to all regulations for the safe packing, shipping, and export of chemicals.
How can I request a quote or sample for 4-Methylpyridine-3-carboxylic acid?
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To request a quote or sample, please contact our sales department via the website or direct email, providing your contact details and the quantity required.
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