Description

L-Lysine, L-arginyl-L-phenylalanyl-L-alanyl-L-arginyl-L-lysylglycyl-L-alanyl-L-leucyl-L-arginyl-L-glutaminyl-L-lysyl-L-asparaginyl-L-valyl-L-histidyl-L-α-glutamyl-L-valyl- is a synthetic peptide sequence of significant interest in advanced biochemical research and pharmaceutical development. This compound, identified by CAS NO 309247-48-1, is valued for its specific amino acid architecture, which is crucial for studying protein-protein interactions, enzyme inhibition, and receptor binding mechanisms. It is primarily utilized by research institutions, biotechnology firms, and pharmaceutical companies engaged in peptide-based drug discovery, diagnostic assay development, and fundamental life science studies.

Application

• Biochemical Research: Serves as a critical reference standard or active probe in studies of enzymatic activity, signal transduction pathways, and molecular recognition events.
• Pharmaceutical R&D: Used as a lead compound or intermediate in the discovery and development of novel peptide therapeutics targeting specific diseases.
• Diagnostic Development: Employed in the formulation of calibration standards and reagents for immunoassays and other diagnostic tests requiring high-specificity peptides.
• Cell Biology Studies: Applied in cell culture experiments to investigate the effects of specific peptide sequences on cell growth, differentiation, and apoptosis.
• Proteomics & Genomics: Utilized as a tool peptide for mass spectrometry calibration and in studies related to post-translational modifications and protein function.
• Cosmeceutical Research: Investigated for potential bioactive properties in advanced skincare and cosmetic formulations targeting specific skin receptors.

Basic Information

Product Name	L-Lysine, L-arginyl-L-phenylalanyl-L-alanyl-L-arginyl-L-lysylglycyl-L-alanyl-L-leucyl-L-arginyl-L-glutaminyl-L-lysyl-L-asparaginyl-L-valyl-L-histidyl-L-α-glutamyl-L-valyl-
CAS No.	309247-48-1
Molecular Formula	C99H162N34O26
Molecular Weight	2265.6 g/mol (approx.)
Synonyms	Arg-Phe-Ala-Arg-Lys-Gly-Ala-Leu-Arg-Gln-Lys-Asn-Val-His-Glu-Val-Lys; RFAARKGALRQKNVHEVK (Single-letter code); H-Arg-Phe-Ala-Arg-Lys-Gly-Ala-Leu-Arg-Gln-Lys-Asn-Val-His-Glu-Val-Lys-OH; Synthetic Heptadecapeptide; Peptide RFAARKGALRQKNVHEVK; L-Lysine containing heptadecapeptide; Research Peptide 309247-48-1
EINECS	Contact for details

Quality Control

Our peptide products are manufactured and analyzed under stringent quality management systems. Each batch of L-Lysine, L-arginyl-L-phenylalanyl-L-alanyl-L-arginyl-L-lysylglycyl-L-alanyl-L-leucyl-L-arginyl-L-glutaminyl-L-lysyl-L-asparaginyl-L-valyl-L-histidyl-L-α-glutamyl-L-valyl- undergoes comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and amino acid analysis. Certificates of Analysis (COA) detailing purity, peptide content, and impurity profiles are available upon request to ensure full transparency and compliance with your research specifications.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below for long-term stability. This product is hygroscopic (moisture-sensitive). Allow the vial to equilibrate to room temperature in a desiccator before opening to minimize moisture uptake. For optimal stability, store under inert atmosphere after opening.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (MS)	Conforms to structure
Purity (HPLC)	≥ 95%
Peptide Content	≥ 80% (by weight)
Single Impurity (HPLC)	≤ 1.0%
Amino Acid Analysis	± 10% of theoretical
Water Content (KF)	≤ 5.0%

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