Pharmaceutical Grade Ampicillin Base from Mexico
High-purity ampicillin free base (anhydrous form) used as intermediate for salt production in antibiotic manufacturing. Meets HTS 2941.10.10.00 as the core penicillin compound with penicillanic acid structure, whether as base or salt per subheading. Supplied as micronized powder for API synthesis.
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
• Provide DMF Type II documentation; ensure particle size distribution certificates; segregate from salt forms during customs inspection to avoid confusion