Amitriptyline Hydrochloride is a tricyclic antidepressant that broadly inhibits serotonin and norepinephrine reuptake, used not only for major depressive disorder but also widely off-label for chronic neuropathic pain and migraine prophylaxis. Simson Pharma's Amitriptyline Hydrochloride reference standard and impurities support stability-indicating method development across this multi-indication therapeutic.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Amitriptyline Hydrochloride 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.