Erythromycin Base USP from China
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 — China → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include USP CoA and microbial limits testing; store under inert atmosphere
• Avoid exposure to light/moisture during shipping