Dichloromethane (methylene chloride) is a widely used pharmaceutical manufacturing solvent classified as a class 2 residual solvent under ICH Q3C guidelines, requiring control to defined limits in APIs and finished products. Simson Pharma's Dichloromethane reference standard supports residual-solvent testing in pharmaceutical QC programmes.

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