Lidocaine Free Base Research Grade from Canada
High-purity (>99.5%) lidocaine base for pharmaceutical research and analytical standards. Classified under HTS 2924.29.57.00 as chemically defined aromatic cyclic amide drug meeting Chapter 29 purity criteria. Used as reference standard in HPLC method validation.
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 NIST-traceable certificate of analysis with assigned purity value for research chemical exemption
• Declare quantities <1kg with end-use statement for laboratory research to avoid bulk drug scrutiny
• Segregate research-grade from GMP production shipments; different documentation and inspection requirements