Chlorothymol Crystals USP Grade from Canada
USP grade chlorothymol crystals are high-purity solids used in compounded pharmaceuticals, specifically named in HTS 2908.19.10.00. Provides antiseptic properties in topical formulations.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide USP monograph testing results confirming assay ≥99% and residue on ignition limits
• Compounding pharmacy bulk ingredient; verify 503A/503B facility registration requirements
• Sublimes at low temperatures; use sealed containers with desiccant to prevent moisture absorption