Carbachol is a synthetic choline ester that acts at both muscarinic and nicotinic receptors, used as a miotic agent in ophthalmic surgery and as an intraocular solution to constrict the pupil during cataract procedures. Simson Pharma's Carbachol reference standard and impurities support the stringent QC required of this direct-contact ocular injectable.

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