L-Lysine monohydrochloride

Производитель: Shanghai Yifu Food Ingredients Co., Ltd

Все товары поставщика

Basic Molecular and Structural Characteristics

Molecular weight: 182.65 g/mol (free L-lysine: 146.19 g/mol; the hydrochloride moiety increases the molecular weight and modulates solubility/ stability).
Chirality: L-configuration (the natural and biologically active isomer; D-lysine is non-bioactive and rarely used in industrial applications). The chiral center is at the α-carbon atom (C2), with the amino group (−NH3+) in the L-configuration (S-configuration in CIP nomenclature).
Ionic nature: At physiological pH (7.35–7.45) and aqueous solution, it exists as a zwitterion with a hydrochloride counterion: the α-amino group (−NH2) and ε-amino group (−NH2) are protonated to NH3+, the carboxyl group (−COOH) is deprotonated to COO−, and the Cl− ion remains free in solution to maintain electrical neutrality.
Structural formula: H2N−(CH2)4−CH(NH3+)−COO−⋅Cl− (zwitterionic form in water); the neutral molecular formula for the solid salt is NH2−(CH2)4−CH(NH2)−COOH⋅HCl.
Isoelectric point (pI): ~9.74 (calculated from its three dissociation constants: pKa1 (α-COOH) = 2.18, pKa2 (α-NH3+) = 8.95, pKa3 (ε-NH3+) = 10.53). At pH < 9.74, it carries a net positive charge in solution— a key feature for its interaction with anionic biomolecules (e.g., proteins, nucleic acids).

	L-Methionine	As one of the nine essential amino acids, L-Methionine is a core building block for protein synthesis, serving two critical purposes: It acts as th...
	DL-Methionine	Redox Properties of DL-MethionineThemethylthio group (-SCH3)in the side chain of DL-methionine is the core moiety responsible for its redox reactiv...
	L-leucine	L - leucine has several notable performance characteristics related to its physical and chemical properties, as well as its role in biological syst...
	Glycine	In the field of medicine and health, glycine is an important raw material drug, drug intermediate, and nutritional supplement. It can be directly u...
	L-Threonine	L-Threonine is generally recognized as safe (GRAS) by regulatory bodies like the FDA when used in food at typical fortification levels. Its use mus...

L-Lysine monohydrochloride as nutrient additives	Продавец: Shanghai Yifu Food Ingredients Co., Ltd	Free L-lysine is highly hygroscopic—it absorbs atmospheric moisture rapidly at relative hum...
L-Lysine monohydrochloride	Продавец: Shanghai Yifu Food Ingredients Co., Ltd	L-Lysine monohydrochloridehas a higher aqueous solubility than free L-lysine: ~70 g/100 mL at 25 ...
L-Lysine monohydrochloride	Продавец: Shanghai Yifu Food Ingredients Co., Ltd	The most prominent performance advantage ofL-Lysine monohydrochloride is its optimized physical a...
L-Lysine monohydrochloride	Продавец: Shanghai Yifu Food Ingredients Co., Ltd	L-Lysine monohydrochloride (L-Lys·HCl) is the dominant commercial form of L-lysine—a...
L-lysine monohydrochloride	Продавец: Shanghai Yifu Food Ingredients Co., Ltd	L-lysine monohydrochloride’s unique physical and chemical properties make it the preferred ...