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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If similar but different counterion
Other dibromide salts in note 3 but not exact structure may use broader note 3 subheading.
If guanidine-like function dominates
Carbamoyl groups could lead to classification under cyclic amidines if pyridine secondary.
If imported as diagnostic reagent kit
Lab reagents containing this compound classify as diagnostic preparations in Chapter 38.
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Import Tips & Compliance
• 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
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.
1,6-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.
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.