CAS Number: 318-98-9
Chemical Name: Propranolol Hydrochloride
Molecular Formula: C16H22ClNO2
Molecular Weight: 295.80

CAS Number: 2172495-51-9
Chemical Name: Propranolol Hydrochloride - Impurity B (Hydrochloride Salt)
Molecular Formula: C29H34ClNO4
Molecular Weight: 496.04