Diflufenican is a phytoene desaturase inhibitor herbicide that bleaches susceptible weeds by disrupting carotenoid biosynthesis, used extensively in cereal crops for broad-leaved weed control. Simson Pharma's Diflufenican reference standard supports residue analysis and agrochemical quality testing.

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