Dihydrostreptomycin Sulfate USP from China
Dihydrostreptomycin sulfate is the sulfate salt of dihydrostreptomycin, a semi-synthetic aminoglycoside antibiotic derived from streptomycin. It is chemically defined as a separate organic compound and falls under HTS 2941.20.10.00 as a dihydrostreptomycin derivative salt used primarily in veterinary and human antibiotic formulations.
Duty Rate — China → United States
3.5%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide Certificate of Analysis (CoA) confirming USP grade purity and identity as dihydrostreptomycin sulfate to avoid reclassification
• Ensure FDA prior notice and drug import documentation; veterinary vs human use affects labeling requirements
• Verify absence of impurities exceeding pharmacopeia limits to maintain classification under Chapter 29 antibiotics