</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2931.42.00.00/Pharma-Grade Dimethyl Propylphosphonate/Mexico

Pharma-Grade Dimethyl Propylphosphonate from Mexico

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 — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Calculate with your customs valueVerify classification with AI

Import Tips

• Include FDA-compliant COA and DMF if applicable; declare 'not for direct human use' to avoid Chapter 30 pharma exclusions

Pharma-Grade Dimethyl Propylphosphonate from Mexico — Import Duty Rate | HTS 2931.42.00.00