Valacyclovir Hydrochloride Bulk from Mexico
Valacyclovir hydrochloride bulk is a prodrug antiviral mixed for herpes virus therapy, used in manufacturing tablets like Valtrex. As a non-retail mixed medicament, it falls under HTS 3003.90.0120 for antivirals.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Register with FDA's Drug Registration and Listing system before import
• Test for related substances per USP; common issue is solvent residue limits
• Declare therapeutic use explicitly to confirm Chapter 30 status