Min. Order Reference FOB Price
1 kg US$50.00-60.00 / kg
Product Description
Cough medicine Promethazine hydrochlorine HCL 99% Medical grade CAS : 58-33-3 Promethazine hydrochloride is an organic substance with a chemical formula of C17H20ClN2S. It is a common cough medicine and an antihistamine. It can competitively block histamine H1 receptors and resist ...