HTS code 2941.10.30.00 covers "Antibiotics › Penicillins and their derivatives with a penicillanic acid structure; salts thereof › Penicillin G salts › Carfecillin, sodium; Cloxacillin, sodium; Dicloxacillin, sodium; Flucloxacillin (Floxacillin); and Oxacillin, sodium" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.