Lysine and its esters; salts thereof
Oxygen-function amino-compounds: > Amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof: > Lysine and its esters; salts thereof
Duty Rate (from China)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Subheadings
Products classified under HTS 2922.41.00
L-Lysine Monohydrochloride
L-Lysine monohydrochloride is the hydrochloride salt of the essential amino acid L-lysine, a white crystalline powder used primarily as a nutritional supplement in animal feed and human diets. It falls under HTS 2922.41.00 as a salt of lysine, specifically classified among oxygen-function amino-acids with a single oxygen function.
L-Lysine Sulfate
L-Lysine sulfate is a highly soluble salt form of lysine used extensively in poultry and swine feed formulations to address dietary deficiencies. Classified under HTS 2922.41.00 as a lysine salt, it meets the chapter's criteria for chemically defined organic compounds with oxygen-function amino groups.
DL-Lysine Hydrochloride
DL-Lysine hydrochloride is a racemic mixture of D- and L-lysine salts, often used in biochemical research and some industrial applications. It qualifies for HTS 2922.41.00 as a lysine salt, being a chemically defined derivative of the amino acid with the specified oxygen function.
L-Lysine Acetate
L-Lysine acetate is the acetate ester/salt of lysine, valued for its stability in pharmaceutical formulations and cell culture media. Under HTS 2922.41.00, it is classified as a lysine ester or salt, adhering to subchapter rules for oxygen-function amino-compounds.
Lysine Monohydrate
Lysine monohydrate is a hydrated form of L-lysine base, commonly used in nutritional supplements and feed premixes for its high bioavailability. It is included under HTS 2922.41.00 as a lysine derivative, with water of hydration permitted per chapter notes on solutions and stabilizers.
L-Lysine HCl 98.5% Feed Grade
This feed-grade L-lysine hydrochloride at 98.5% purity is optimized for animal nutrition, particularly swine and poultry diets to enhance growth. HTS 2922.41.00 covers it as a pure lysine salt, chemically defined without exclusions for impurities.
L-Lysine Base USP Grade
USP-grade L-lysine base is a pharmaceutical-quality free amino acid used in dietary supplements and medical nutrition. It fits HTS 2922.41.00 as the parent lysine compound for oxygen-function amino-acids and salts/esters.
Calcium L-Lysinate
Calcium L-lysinate is a chelated salt combining lysine with calcium, used in nutritional supplements for better mineral absorption. Per chapter note (C)(3), it's classified under HTS 2922.41.00 with the organic lysine component taking precedence.
L-Lysine Ethyl Ester Dihydrochloride
This is the ethyl ester of lysine stabilized as dihydrochloride, used in peptide synthesis and research. HTS 2922.41.00 explicitly includes lysine esters and their salts as oxygen-function amino-derivatives.
Feed-Grade L-Lysine H2SO4 70%
70% L-lysine sulfate solution is a liquid feed additive for easy mixing in animal nutrition programs. Allowed under HTS 2922.41.00 per note (d) for lysine salts dissolved in water for transport.