Lidocaine Patch Active Pharmaceutical Ingredient from Canada
Micronized lidocaine base specifically processed for transdermal patch matrix (particle size D90<10μm). Classified HTS 2924.29.57.00 as pure aromatic amide API before patch assembly. Meets skin permeation pharmacopeial requirements.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Include laser diffraction PSD report confirming D90<10μm for patch matrix compatibility
• Document polymorphic form (Form I preferred) affecting skin permeation rates
• Avoid milling post-import; particle size growth during storage affects patch performance