Dihydrostreptomycin Sulfate Powder EP from Canada
European Pharmacopoeia grade dihydrostreptomycin sulfate powder, a white to off-white crystalline salt used as bulk active pharmaceutical ingredient. Classified under HTS 2941.20.10.00 as it meets Chapter 29 requirements for chemically defined antibiotic salts.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096.5%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 EP certificate and HPLC purity certificate (>99%) to confirm chemical identity and prevent misclassification as mixtures
• Register as bulk drug substance with FDA; provide DMF reference if available
• Avoid anti-caking agents exceeding stabilizer limits per Chapter 29 note (f) to maintain pure compound status