L-Lysine Ethyl Ester Dihydrochloride
L-lysine ethyl ester dihydrochloride is the ethyl ester of lysine stabilized as a dihydrochloride salt, used in peptide synthesis and research. It is classified under tariff item 2922.41.00 as an ester of lysine and its salt, explicitly covered by the heading.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the ester is not specifically lysine but another amino-acid ester
Other amino-acid esters are classified under this item.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide a detailed chemical structure and purity analysis to confirm it is the ethyl ester dihydrochloride
• Indicate the end-use (peptide synthesis) to support classification under the ester provision
• Ensure proper labelling with the chemical name and CAS number for customs
Related Products under Tariff item 2922.41.00
Calcium L-Lysinate
Calcium L-lysinate is a chelated salt combining the essential amino acid L-lysine with calcium, used in nutritional supplements to enhance mineral absorption. It qualifies under tariff item 2922.41.00 as a salt of lysine, a chemically defined organic compound of heading 29.22.
DL-Lysine Hydrochloride
DL-lysine hydrochloride is a racemic mixture of D- and L-lysine salts, used in biochemical research and certain industrial applications. It falls under tariff item 2922.41.00 as a salt of lysine, a chemically defined organic compound, and is covered by the chapter's scope for mixtures of isomers.
DL-Lysine Hydrochloride USP
DL-lysine hydrochloride USP is the racemic mixture of D- and L-lysine salts meeting pharmacopeia standards for pharmaceutical synthesis. It is classified under tariff item 2922.41.00 as a lysine salt, and the chapter note 1(b) covers mixtures of isomers.
Feed-Grade L-Lysine H2SO4 70%
Feed-grade L-lysine sulfate 70% is a liquid solution of L-lysine sulfate used as a feed additive in animal nutrition. It is classifiable under tariff item 2922.41.00 as a lysine salt dissolved in water, which is permitted by chapter note 1(d) when the solution is a normal method of putting up for transport.
Feed Grade L-Lysine HCL 98.5% Codex Alimentarius
High-purity L-lysine hydrochloride (98.5% min) meeting Codex Alimentarius standards is used in animal feed formulations to correct dietary deficiencies. It is classified under tariff item 2922.41.00 as a lysine salt, a chemically defined organic compound.
L-Lysine Acetate
L-lysine acetate is the acetate salt of L-lysine, used for its stability in pharmaceutical formulations and cell culture media. It is classified under tariff item 2922.41.00 as a salt of lysine, a chemically defined organic compound of heading 29.22.