Purity: 98% Appearance:white to light yellow powder Packing: 25kg/drum or as your request Uses: is a peripheral decarboxylase inhibitor that is commonly used in combination with L-DOPA (D533751) for treatment of Parkinsonism. S(-)-Carbidopa ( has also been shown to prolong the elimination half-life of L-DOPA from blood plasma and skeletal muscle.