AMPICILLIN SODIUM STERILE CRYSTALLINE CONTAINS NOT LESS THAN 92.5%;AND NOT MORE THAN 100.5% OF C16H18N3O4NAS, CALCULATED ON THE DRIED;BASIS. THE SUM OF PERCENTAGE CONTENTS OF AMPICILLIN SODIUM AND;DEGRADATION PRODUCTS, CALCULATED AS C16H18N3O4NAS IS NOT LESS;THAN 97.5%, CALCULATED ON THE DRIED BASIS.