Methyl 6-methylnicotinate

It’s a starting material that undergoes several reactions, including condensation and cyclization, to form the complex molecule of etoricoxib. Methyl 6-methylnicotinate is a crucial chemical intermediate (building block) used in the industrial synthesis of the COX-2 inhibitor drug, etoricoxib, providing the core pyridine structure needed for the final active ingredient, essential for its anti-inflammatory properties.