Pharmaceutical Grade Cholestyramine Resin from Mexico
High-purity Cholestyramine resin USP, cross-linked polyvinylbenzyltrimethylammonium chloride, supplied as fine powder for compounding into lipid-lowering medications. HTS 3914.00.20.00 applies as it meets the precise polymer definition in primary (unprocessed) form.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Obtain FDA Drug Master File (DMF) reference if available; declare 'for pharmaceutical use only' to avoid cosmetic classification; test for heavy metals and microbial limits per USP monograph