Paraldehyde Pharmaceutical Intermediate from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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