Benzonatate is a non-narcotic antitussive structurally related to local anaesthetics, suppressing cough by anaesthetising stretch receptors in the respiratory tract and lung tissue. Simson Pharma's Benzonatate reference standard and impurities support compendial QC for this widely used cough-suppressant therapy.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Benzonatate Reference Standards, pharmacopoeial reference materials, and its related impurities to pharmaceutical manufacturers, CROs, analytical laboratories, universities, and regulatory organizations worldwide. To service the Europe and America market efficiently, Simson Pharma Limited has set up Simson Pharma Global Ltd. in United Kingdom and Simson Pharma Global LLC in USA respectively.