Carbaryl is a carbamate insecticide that reversibly inhibits acetylcholinesterase in insects, used in agricultural pest control and veterinary ectoparasiticide products. Simson Pharma's Carbaryl reference standard supports residue analysis and impurity testing in agrochemical quality programmes.

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