3-Quinuclidinyl Benzilate Analytical Reagent from Mexico
Analytical-grade 3-quinuclidinyl benzilate (QNB) for chromatography and spectroscopy standards, specifically enumerated under HTS 2933.39.61.10. This heterocyclic pyridine compound qualifies as a separate chemically defined organic compound per chapter notes.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%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 Material Safety Data Sheet (MSDS) and purity assay results; segregate from other shipments due to toxicity hazard class 6.1; verify importer's chemical handling permits