Research-Grade Ricin for Toxin Neutralization Assays from Mexico
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 — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Potency certification required; match lot to published standards
• Avoid bulk imports without registered importer status