Research-Grade Ricin for Toxin Neutralization Assays from Canada
Standardized ricin for in vitro neutralization assays testing antitoxin efficacy. Under HTS 3002.49.0010 as a diagnostic immunological product. Critical for validating therapeutic antibodies.
Duty Rate — Canada → 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
• Potency certification required; match lot to published standards
• Avoid bulk imports without registered importer status