Pharma-Grade Dimethyl Propylphosphonate from Canada
Pharmaceutical intermediate grade dimethyl propylphosphonate meeting USP standards for drug synthesis. HTS 2931.42.00.00 classification as pure organo-inorganic phosphorus compound, not excluded under Chapter notes.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include FDA-compliant COA and DMF if applicable; declare 'not for direct human use' to avoid Chapter 30 pharma exclusions