CAS No : 33778-93-7 | Product Name : Labetalol Hydrochloride - Impurity B (Hydrochloride Salt) | Chemical Name : Mixture of 4 stereoisomers of methyl 2-hydroxy-5-[1-hydroxy-2-[(1-methyl-3- phenylpropyl)amino]ethyl]benzoate Hydrochloride | Pharmaffiliates