Description

Cyclo(Phenylalanyl-Leucyl-Glycyl-Leucyl-Phenylalanyl-Glycyl) CAS NO 128050-89-5 is a synthetic cyclic heptapeptide composed of phenylalanine, leucine, and glycine residues. This compound is of significant interest in advanced biochemical research and pharmaceutical development due to its unique conformational constraints and potential for modulating biological pathways. It is primarily utilized by research institutions, pharmaceutical R&D departments, and specialty chemical manufacturers focused on peptide-based therapeutics and biochemical probes.

Application

• Pharmaceutical Research & Development: Serves as a key intermediate or reference standard in the discovery and development of novel peptide-based drugs and therapeutic agents.
• Biochemical Studies: Used as a model compound to study peptide conformation, stability, and structure-activity relationships (SAR) in various biological systems.
• Protease Inhibition Studies: Investigated for its potential activity as a protease inhibitor due to its cyclic structure, which can mimic natural substrates.
• Cell Signaling Research: Employed in research exploring peptide-mediated cell signaling pathways and receptor-ligand interactions.
• Academic Research: Utilized in university and institutional laboratories for teaching and advanced research in organic chemistry, peptide synthesis, and medicinal chemistry.
• High-Purity Reference Standard: Supplied as a certified reference material (CRM) for analytical method development and validation in quality control laboratories.

Basic Information

Product Name	Cyclo(Phenylalanyl-Leucyl-Glycyl-Leucyl-Phenylalanyl-Glycyl)
CAS No.	128050-89-5
Molecular Formula	C41H52N6O7
Molecular Weight	740.90 g/mol
Synonyms	Cyclo(Phe-Leu-Gly-Leu-Phe-Gly); Cyclic (Phe-Leu-Gly-Leu-Phe-Gly); c(Phe-Leu-Gly-Leu-Phe-Gly); Cyclo(L-phenylalanyl-L-leucylglycyl-L-leucyl-L-phenylalanylglycine); Cyclo(Phe-Leu-Gly-Leu-Phe-Gly) peptide; Cyclic heptapeptide (Phe-Leu-Gly-Leu-Phe-Gly); 128050-89-5
EINECS	Contact for details

Quality Control

Our Cyclo(Phenylalanyl-Leucyl-Glycyl-Leucyl-Phenylalanyl-Glycyl) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via mass spectrometry (MS) and infrared spectroscopy (IR). Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your research or production requirements.

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 desiccated conditions.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (MS)	Conforms to structure (M+ observed)
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%

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