</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2932.99.90.90/Trioxane Pharmaceutical Intermediate/Mexico

Trioxane Pharmaceutical Intermediate from Mexico

Trioxane is a heterocyclic compound with oxygen hetero-atoms only, used as an intermediate in pharmaceutical synthesis for antimalarial drugs like artemisinin derivatives. It features a six-membered ring with three oxygen atoms, fitting precisely under HTS 2932.99 for other heterocyclic oxygen compounds not elsewhere specified. This pure chemical compound meets Chapter 29 requirements for separate chemically defined organic compounds.

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

• Provide detailed chemical analysis certificates confirming heterocyclic structure and oxygen hetero-atoms only to avoid misclassification

• Ensure COA (Certificate of Analysis) verifies purity >98% as mixtures may shift to different headings

• Label shipments clearly as 'pharmaceutical intermediate - not for direct medicinal use' to comply with FDA import requirements

Trioxane Pharmaceutical Intermediate from Mexico — Import Duty Rate | HTS 2932.99.90.90