2933.39.61.30/1,8-Bis[N-(3-dimethylcarbamoxy-α-picolyl)-N-ethyl-N-hexylammonio]-octane-2,7-dione Dibromide (n=6)/Canada
1,8-Bis[N-(3-dimethylcarbamoxy-α-picolyl)-N-ethyl-N-hexylammonio]-octane-2,7-dione Dibromide (n=6) from Canada
An n=6 asymmetric dialkyl (ethyl+hexyl=C8 ≤C10) bis-pyridinium dibromide with precise carbamoxy-α-picolyl substitution on octane dione. Fits HTS 2933.39.61.30 as a chemically defined heterocyclic pyridine compound under additional U.S. note 3. Supplied to research labs for nerve agent reactivation studies.
Duty Rate — Canada → 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
• Submit structural formula and molecular weight for verification; avoid retail packaging to prevent Chapter 32/38 shifts; monitor for REACH-like compliance if EU transshipment