Erythromycin Base USP from Mexico
Erythromycin base USP is the pure, non-salt form of the antibiotic meeting United States Pharmacopeia standards for potency against streptococci. Though 'base,' it qualifies under HTS 2941.50.00.00 as the parent erythromycin compound for derivatives/salts heading. Used as reference standard or direct API.
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
• Include USP CoA and microbial limits testing; store under inert atmosphere
• Avoid exposure to light/moisture during shipping