High-Purity 2-Mercaptobenzothiazole Sodium Salt from Canada
99+% purity sodium salt of 2-mercaptobenzothiazole, a lab-grade reagent featuring the unfused benzothiazole ring. Precisely HTS 2934.20.20.00 as a chemically defined heterocyclic compound per Chapter 29 scope. Used in pharmaceutical synthesis and research.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Supply HPLC assay reports; register under TSCA if for R&D
• Pitfall: pharma end-use claims may require FDA prior notice