Cyclizine is a piperazine-class H1-receptor antagonist and anticholinergic with antiemetic properties, widely used for motion sickness, nausea and vomiting associated with opioid use and postoperative recovery. Simson Pharma's Cyclizine reference standard and impurities support compendial testing across oral, injectable and suppository formulations.

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