Pseudoephedrine-Guaifenesin Excipient Blend from Mexico
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 — Mexico → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
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