4-Methylpyridine丨CAS 108-89-4

4-Methylpyridine (CAS 108-89-4), also known as 4-picoline, is an important heteroaromatic compound used as a building block in pharmaceuticals, agrochemicals, and chemical research. It serves as a precursor for the synthesis of vitamins, such as niacin (vitamin B3), as well as antihypertensive and anti-inflammatory agents. In agrochemistry, it is applied in the preparation of herbicides, fungicides, and insecticides where the pyridine ring enhances biological activity. Additionally, 4-methylpyridine is used in the production of dyes, polymers, and specialty chemicals, as well as in laboratory research for the synthesis of pyridine derivatives and functional heterocycles.

The benefits of 4-methylpyridine stem from its aromatic nitrogen and methyl substituent, which confer high reactivity and versatility in chemical transformations. Its structure enables selective functionalization at the pyridine ring or methyl group, facilitating the synthesis of complex molecules with tailored properties. In pharmaceuticals, it contributes to improved solubility, metabolic stability, and target specificity of derivatives. In agrochemical and material applications, it enhances potency, durability, and chemical resistance. Its relatively low toxicity, stability, and availability make it convenient for both laboratory and industrial-scale use, supporting efficient synthesis of high-value compounds.