1,6-Bis[N-(3-dimethylcarbamoxy-α-picolyl)-N,N-diethylammonio]-hexane-2,5-dione Dibromide (n=4)
A bis-oxime pyridinium dibromide with n=4, containing diethylammonium groups (C4 alkyl ≤C10) and a hexane dione linker with carbamoxy-substituted picolyl moieties. Classified under HTS 2933.39.61.30 due to its precise structural match to the heading for unfused pyridine heterocycles listed in U.S. note 3. Primarily imported for chemical research and synthesis of nerve agent antidotes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not specifically listed in note 3
Other pyridine compounds without exact note 3 description go to general 'other' subheading before note 3 catch-all.
If considered quaternary ammonium base without full heterocycle
Simplified ammonium compounds may classify under Chapter 29 acyclic oxygen functions if pyridine not dominant.
If formulated as herbicide or pesticide
If put up for agricultural use, shifts to Chapter 38 for pesticides, not pure chemical.
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Import Tips & Compliance
• Include Safety Data Sheet (SDS) and CAS number (if assigned) for customs clearance; verify alkyl chain length ≤C10 to stay within subheading; watch for DEA scheduling if precursor-like structure triggers scrutiny
Related Products under HTS 2933.39.61.30
1,4-Bis[N-(3-dimethylcarbamoxy-α-picolyl)-N,N-dimethylammonio]-butane-2,3-dione Dibromide (n=2)
This is a specific bis-pyridinium oxime compound with n=2, featuring two pyridine rings linked by a butane dione chain with dimethylcarbamoxy groups and dibromide counterions. It falls under HTS 2933.39.61.30 as a heterocyclic compound containing unfused pyridine rings, described in additional U.S. note 3 to section VI. Used primarily as a research chemical or potential antidote intermediate in pharmaceutical synthesis.
1,10-Bis[N-(3-dimethylcarbamoxy-α-picolyl)-N-butyl-N-methylammonio]-decane-2,9-dione Dibromide (n=8)
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.
1,12-Bis[N-(3-dimethylcarbamoxy-α-picolyl)-N,N-dipropylammonio]-dodecane-2,11-dione Dibromide (n=10)
The longest chain variant (n=12 max) with dipropyl (C6 ≤C10) ammonio groups, pyridine-carbamoxy units, and dodecane dione core as dibromide. Directly specified under HTS 2933.39.61.30 for these exact bis-ammonio alkane dione dibromides per U.S. note 3. Imported mainly for synthetic chemistry and pharmacological studies.
1,8-Bis[N-(3-dimethylcarbamoxy-α-picolyl)-N-ethyl-N-hexylammonio]-octane-2,7-dione Dibromide (n=6)
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.