Tobramycin Bulk API from China
Tobramycin is a natural aminoglycoside antibiotic isolated from Streptomyces tenebrarius, used IV for Pseudomonas infections in cystic fibrosis patients. HTS 2941.90.10.10 applies to this pure natural product as it constitutes a separate chemically defined organic compound per Chapter 29 note (a). Supplied as sterile lyophilized powder.
Duty Rate — China → 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
• Submit fermentation origin proof and chiral purity data confirming natural tobramycin stereochemistry
• Ensure GMP certification and endotoxin limits (<0.33 EU/mg) per USP monograph
• Avoid reclassification by declaring as 'not for human use' only if truly veterinary grade