Dihydrostreptomycin Hydrochloride from Canada
The hydrochloride salt derivative of dihydrostreptomycin, a broad-spectrum antibiotic effective against gram-negative bacteria. As a chemically defined organic salt derivative, it is specifically provided for under HTS 2941.20.10.00.
Duty Rate — Canada → United States
3.5%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Submit structural analysis (NMR/IR) confirming hydrochloride salt formation per Chapter 29 salt classification rules
• Check for dual-use restrictions; may require veterinary drug approval from USDA/APHIS
• Ensure packaging prevents moisture absorption to maintain chemical stability during import