Product Name: Penicillin V Potassium COA Standard: BP2007CAS No: 132-98-9EC No: 205-086-5Molecular Formula:C16H17KN2O5S Molecular Weight: 388.47Appearance: A white or almost white, crystalline powder4-hydroxyphenoxymethyl penicillin potassium: 1.0%Assay: The sum of the percentage contents of penicillin potassium and 4- Hydroxyphenoxymethyl penicillin potassium is not less than 95.0% and not more than the equivalent of 102.0%, calculated with reference to the anhydrous substance.Potency (on dried basis): 1517u/mg