Chlorothymol Crystals USP Grade from Mexico
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 — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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