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

Paraldehyde Pharmaceutical Intermediate from Canada

High-purity paraldehyde used as intermediate in synthesis of other pharmaceuticals, confirmed USP-equivalent standards. HTS 2912.29.30.00 covers this cyclic aldehyde polymer explicitly for medicinal chemical applications. Excludes formulated drugs per Chapter exclusions.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Pre-register with FDA for bulk pharmaceutical chemical imports

Use UN-approved packaging for flammable liquid classification

Document cyclic trimer structure to distinguish from acetaldehyde monomer