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
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Supply HPLC assay reports; register under TSCA if for R&D
• Pitfall: pharma end-use claims may require FDA prior notice