Description

Butyloxycarbonyl-Phenylalanyl-Leucyl-Lysine is a protected tripeptide derivative, widely utilized as a key synthetic intermediate in advanced organic and medicinal chemistry. Its primary value lies in providing a versatile building block for the controlled synthesis of more complex peptides and peptidomimetics, where the Boc (tert-butoxycarbonyl) group offers orthogonal protection for the N-terminus. This compound is essential for researchers and manufacturers in the pharmaceutical and biotechnology sectors, particularly those developing novel therapeutic agents, diagnostic tools, and biochemical probes.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the solid-phase and solution-phase synthesis of novel peptide-based drug candidates.
• Biochemical Research: Used in the study of enzyme-substrate interactions, protease activity, and the development of enzyme inhibitors.
• Peptidomimetic Development: Acts as a precursor for creating non-natural peptide analogs with enhanced stability, bioavailability, or biological activity.
• Combinatorial Chemistry: Employed in the generation of diverse chemical libraries for high-throughput screening in drug discovery programs.
• Diagnostic Reagent Synthesis: Utilized in the preparation of labeled peptides for use in immunoassays and other diagnostic applications.
• Academic & Industrial R&D: A fundamental reagent for universities and contract research organizations (CROs) exploring peptide science and medicinal chemistry.

Basic Information

Product Name	Butyloxycarbonyl-Phenylalanyl-Leucyl-Lysine
CAS No.	82050-16-6
Molecular Formula	C29H47N5O7
Molecular Weight	577.72 g/mol
Synonyms	Boc-Phe-Leu-Lys; Boc-Phe-Leu-Lys-OH; Nα-Boc-L-phenylalanyl-L-leucyl-L-lysine; tert-Butoxycarbonyl-L-phenylalanyl-L-leucyl-L-lysine; BOC-PHE-LEU-LYS; (S)-2-((S)-2-((S)-2-((tert-Butoxycarbonyl)amino)-3-phenylpropanamido)-4-methylpentanamido)-6-aminohexanoic acid; L-Lysine, N2-[(1,1-dimethylethoxy)carbonyl]-L-phenylalanyl-L-leucyl-; 82050-16-6
EINECS	Contact for details

Quality Control

Our Butyloxycarbonyl-Phenylalanyl-Leucyl-Lysine is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, chiral purity, and impurity profiles. We adhere to cGMP guidelines where applicable, and our quality management system is designed to meet the stringent requirements of pharmaceutical and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider desiccation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.