2933.39.61.30/1,10-Bis[N-(3-dimethylcarbamoxy-α-picolyl)-N-butyl-N-methylammonio]-decane-2,9-dione Dibromide (n=8)/Mexico
1,10-Bis[N-(3-dimethylcarbamoxy-α-picolyl)-N-butyl-N-methylammonio]-decane-2,9-dione Dibromide (n=8) from Mexico
This n=8 homolog features butyl-methyl (C5 total ≤C10) ammonio groups on a decane dione chain bridged by carbamoxy-picolyl pyridines, as a dibromide salt. It matches HTS 2933.39.61.30 exactly as a product described in additional U.S. note 3 to section VI for nitrogen-heterocyclic pyridines. Used in advanced chemical research for potential therapeutic applications.
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
• Label with precise n-value and alkyl specifications to match tariff; obtain EPA TSCA premanufacture notice if first import; ensure packaging prevents moisture absorption per chapter note f stabilizers