Oxacillin Sodium Monohydrate API from Mexico
Oxacillin sodium monohydrate is a first-generation isoxazolyl penicillin explicitly covered by HTS 2941.10.30.00 due to its penicillanic acid core and sodium salt. Used in hospital settings for methicillin-sensitive Staphylococcus aureus infections, this API form is for parenteral administration.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• File prior notice via FDA's PNSI system at least 2 hours before arrival for air/land imports
• Include heavy metals certificate (<20 ppm total) per USP <231> to meet pharmacopeial standards
• Avoid mislabeling monohydrate vs anhydrous forms, which affects potency calculations