Paraldehyde Pharmaceutical Intermediate from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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