CAS NO:69-52-3 Ampicillin Sodium Product Name Ampicillin Sodium English Name Ampicillin Sodium CAS RN 69-52-3 Molecular Formula C16H18N3NaO4S Molecular Weight 371.39 Quality Standard CP2010/USP32/EP6 Appearance White or off-white powder or crystal, no odor or has slight odor, with slightly bitter taste. Solubility Easily soluble in water, slightly soluble in ethyl alcohol, insoluble in ethyl ether. PH Value8.0-10.0 dichloromethane