Gamma-HCH Pharmaceutical Grade from Canada
Pharmaceutical-grade gamma-hexachlorocyclohexane (lindane) meeting USP standards for scabicide synthesis. Classified in HTS 2903.81.00.00 as pure HCH isomer, a halogenated cyclanic hydrocarbon. Excluded from Chapter 30 as it's a bulk chemical, not formulated dosage form.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include USP/EP certificate of analysis confirming pharma purity standards
• File FDA 'bulk chemical' declaration; avoid therapeutic claims in docs