Description

Valyl-Leucyl-Prolyl-Phenylalanyl-Phenylalanyl-Valyl-Leucine CAS NO 91269-93-1 is a synthetic heptapeptide composed of the amino acids Valine, Leucine, Proline, and Phenylalanine. This compound is of significant interest in advanced biochemical research and pharmaceutical development due to its specific sequence and potential bioactive properties. It is primarily utilized by research institutions, biotechnology companies, and pharmaceutical manufacturers engaged in peptide synthesis, drug discovery, and the study of protein-protein interactions.

Application

• Pharmaceutical Research & Development: Serves as a key intermediate or reference standard in the discovery and synthesis of novel therapeutic peptides and peptidomimetics.
• Biochemical Studies: Used as a model substrate or inhibitor in enzymatic assays to investigate protease activity and specificity.
• Cosmeceutical Formulation: Incorporated into high-end skincare products for research into anti-aging and bioactive peptide applications.
• Academic Research: Employed in university and institutional labs for fundamental studies in peptide chemistry, structure-activity relationships (SAR), and molecular biology.
• Diagnostic Reagent Development: Acts as a component in the development of immunoassays and other diagnostic tools targeting specific peptide sequences.
• Bioconjugation & Labeling: Provides a defined peptide backbone for conjugation with fluorophores, biotin, or other tags for imaging and detection studies.

Basic Information

Product Name	Valyl-Leucyl-Prolyl-Phenylalanyl-Phenylalanyl-Valyl-Leucine
CAS No.	91269-93-1
Molecular Formula	C47H66N8O8
Molecular Weight	871.1 g/mol
Synonyms	VLPPFVL; VLPFFVL; Heptapeptide VLPPFVL; Val-Leu-Pro-Phe-Phe-Val-Leu; H-Val-Leu-Pro-Phe-Phe-Val-Leu-OH; L-Valyl-L-leucyl-L-prolyl-L-phenylalanyl-L-phenylalanyl-L-valyl-L-leucine; (S)-Valyl-(S)-leucyl-(S)-prolyl-(S)-phenylalanyl-(S)-phenylalanyl-(S)-valyl-(S)-leucine
EINECS	Contact for details

Quality Control

Our peptide products are manufactured under strict quality management systems. Each batch of Valyl-Leucyl-Prolyl-Phenylalanyl-Phenylalanyl-Valyl-Leucine undergoes comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and amino acid analysis. Certificates of Analysis (COA) detailing all specifications and test results are provided to ensure compliance with research and development standards.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a dry environment. This product is hygroscopic (moisture-sensitive). For long-term storage, consider desiccation and storage under inert atmosphere. Allow the sealed vial to equilibrate to room temperature before opening to minimize moisture uptake.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 1.0%
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80.0%
Amino Acid Analysis	Within ±10% of theoretical

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