Sulfathiazole Sodium API from Canada
Sodium salt of sulfathiazole, a water-soluble sulfonamide anti-infective agent used in injectable drug formulations. Specifically named in HTS 2935.90.3300 as a bulk active pharmaceutical ingredient (API) under the sulfonamides category for anti-infective drugs. Meets Chapter 29 requirements for chemically defined organic compounds.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
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
• Include FDA registration and establishment inspection reports for the manufacturing facility
• Label shipments clearly as 'Sodium Sulfathiazole USP' to match exact HTS description and avoid delays
• Test for sodium content and stability per pharmacopeia standards to comply with import purity requirements