Clobazam Working Standard from Mexico
Pharmaceutical working standard Clobazam for routine HPLC assay calibration and stability testing in quality control laboratories. Meets Chapter 29 definition of separate chemically defined compound with impurities. Specifically provided for under HTS 2933.72.00.00 nomenclature.
Duty Rate — Mexico → 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 chromatograms demonstrating assigned purity value and uncertainty measurements
• Package in amber glass vials with desiccants to maintain stability during ocean freight
• Label 'Not for therapeutic use - analytical reference material only' to prevent FDA drug review