In the intricate world of chemical synthesis, amino acid derivatives serve as fundamental building blocks for a multitude of complex molecules, particularly in the pharmaceutical and biochemical sectors. Nalpha-Fmoc-L-lysine hydrochloride, identified by its CAS number 139262-23-0, is one such critical compound. This article aims to explore its chemical properties, highlight its key applications, and guide potential buyers on how to source this essential intermediate from a reliable manufacturer.

Understanding Nalpha-Fmoc-L-lysine hydrochloride:

Nalpha-Fmoc-L-lysine hydrochloride is a derivative of the amino acid L-lysine. The key modifications are:

• Nalpha-Fmoc Protection: The alpha-amino group of lysine is protected by the 9-fluorenylmethoxycarbonyl (Fmoc) group. This bulky protecting group is widely used in peptide synthesis due to its stability under acidic conditions and its facile removal by mild bases, such as piperidine.
• Hydrochloric Acid Salt: The compound exists as a hydrochloride salt, which typically enhances its solubility in polar solvents and improves its overall stability during storage and handling.

Chemically, it presents as a white to off-white crystalline powder. Its molecular formula is C21H25ClN2O4, with a molecular weight of approximately 404.89 g/mol. The compound is soluble in polar organic solvents like dimethylformamide (DMF), which is a common solvent used in peptide synthesis.

Key Applications and Market Significance:

The primary utility of Nalpha-Fmoc-L-lysine hydrochloride is in Fmoc solid-phase peptide synthesis (SPPS). Researchers and manufacturers utilize it to incorporate lysine residues into peptide chains. Lysine's side chain possesses a primary amine, offering a reactive site for further modifications, such as:

• Peptide Conjugation: Attaching other molecules, like fluorescent dyes, labels, or even drugs, to the lysine side chain to create targeted therapeutics or diagnostic agents.
• Drug Formulation: Its inclusion can influence the pharmacokinetic properties of peptides, such as their solubility and distribution within the body.
• Biomaterial Development: Lysine-containing peptides are explored for their roles in biomaterials and tissue engineering.

Beyond peptide synthesis, it has also been referenced in the development of advanced materials, including nanoparticles for drug delivery systems, where its structure can be leveraged for controlled release mechanisms. The growing demand for peptide-based pharmaceuticals means that reliable suppliers of high-quality Nalpha-Fmoc-L-lysine hydrochloride are in high demand.

Why Choose Our Supply:

As a dedicated manufacturer and supplier of fine chemicals and pharmaceutical intermediates in China, we offer Nalpha-Fmoc-L-lysine hydrochloride with guaranteed purity and consistent quality. We understand the critical role this compound plays in your research and manufacturing processes. We encourage you to buy from us for your supply needs, whether you are a research institution, a pharmaceutical company, or a contract manufacturing organization. Please reach out to our sales team to inquire about pricing, bulk orders, and to request a sample. Partnering with us ensures you receive a high-quality product that meets your specifications for your critical synthesis projects.