Pseudoephedrine-Guaifenesin Excipient Blend from Japan
Bulk excipient blend of pseudoephedrine and guaifenesin for expectorant formulations. Classified in HTS 3003.42.00.00 as a multi-constituent alkaloid-containing medicament in bulk form.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.6215%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide stability data confirming mixture integrity during transport
• Declare exact pseudoephedrine quantity per CBP Form 236 for precursor tracking
• Avoid dental or veterinary-specific preparations excluded from Chapter 30