Process Chemicals Co. Supplies Nikethamide BP / IP in Slightly Yellowish Color. Process Chemicals Co. Is an ISO 9001:2000 accredited company. Nikethamide BP / IP in Slightly Yellowish Color has been available in the form of oily liquid or crystalline solid of N, N - diethylpyridine-3-Carboxamide. Nikethamide BP / IP in Slightly Yellowish Color can be miscible with water. This can use as a respiratory stimulant. The molecular weight of this chemical is 178.23. The molecular formula of this chemical is C10H14N2O.