Water Insoluble Cilnidipine Powder consists of heavy metals not more than 10 PPM, loss on drying not more than 0.5 % w/w, ignited residue not more than 0.1 % w/w and assay not less than 99%. The Cilnidipine is practically insoluble in water, sparingly soluble in ethanol. The Cilnidipine is a light yellow crystalline powder. The Water Insoluble Cilnidipine Powder has melting point ranging from 105 to 110 ° c.