Levothyroxine Sodium BP/EP Grade from Mexico
European Pharmacopoeia (EP) and British Pharmacopoeia (BP) compliant levothyroxine sodium for international thyroid hormone formulations. Falls under HTS 2937.90.4000 as the chemically defined sodium salt of l-thyroxine, a Chapter 29 hormone derivative.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide EP/BP certificates of compliance; US importers often need USP equivalence bridging studies
• Declare iodine content precisely (<0.1% free iodine); impurities affect classification purity
• Avoid retail packaging; bulk drums only to prevent Chapter 30 misclassification