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Product Description
HHD Hot Selling Antihistamine Raw Material Promethazine Hydrochloride CAS 58-33-3 Product Description Product Name:Promethazine Hydrochloride CAS:58-33-3 MF:C17H21ClN2S MW:320.88 Melting Point: Solubility:Very soluble in water, freely soluble in ethanol (96 per cent) and in methy-lene chl ...