Description

Formyl-Cyclo(Cysteinyl-Leucyl-Phenylalanyl-Cysteinyl) Methyl Ester is a synthetic cyclic peptide derivative of significant interest in advanced biochemical research and development. This compound serves as a crucial building block and model system for studying peptide conformation, stability, and receptor interactions. It is primarily utilized by research institutions and pharmaceutical companies engaged in peptide chemistry, drug discovery, and proteomics. The product is supplied with a commitment to high purity and batch-to-batch consistency to support critical experimental outcomes.

Application

• Pharmaceutical Research: As a key intermediate or reference standard in the discovery and development of novel peptide-based therapeutics.
• Biochemical Studies: For investigating the structure-activity relationships (SAR) of cyclic peptides and their biological functions.
• Protease/Enzyme Substrate: Potential use as a specialized substrate in enzymatic assays to study protease specificity and inhibition.
• Chemical Biology Tool: Employed in the design and synthesis of more complex peptide conjugates for cell signaling and imaging studies.
• Academic Research: Used in university laboratories for graduate-level studies in organic synthesis, peptide chemistry, and medicinal chemistry.
• Standards and Calibration: Serves as a high-purity analytical standard for method development and validation in quality control laboratories.

Basic Information

Product Name	Formyl-Cyclo(Cysteinyl-Leucyl-Phenylalanyl-Cysteinyl) Methyl Ester
CAS No.	153824-53-4
Molecular Formula	C26H36N4O5S2
Molecular Weight	548.71 g/mol
Synonyms	Cyclo(Formyl-Cys-Leu-Phe-Cys)-OMe; N-Formyl-cyclo(L-Cys-L-Leu-L-Phe-L-Cys) Methyl Ester; Formyl-CLCF-Cyclic Methyl Ester; Cyclic Peptide Formyl-CLCF-OMe; N-Formyl-cyclo(Cys-Leu-Phe-Cys) Methyl Ester; Formyl-Cyclo(CLC) Methyl Ester (abbrev.); Formyl-Cyclo(Cys-Leu-Phe-Cys)-OMe; Methyl N-Formyl-1,4-dithia-7,10,13-triazacyclopentadecane-2,5,8,11-tetraone-14-carboxylate (systematic)
EINECS	Contact for details

Quality Control

Our Formyl-Cyclo(Cysteinyl-Leucyl-Phenylalanyl-Cysteinyl) Methyl Ester is manufactured under controlled conditions and undergoes rigorous analytical testing to ensure it meets the high standards required for research applications. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to strict in-house quality protocols, and our processes are designed to support compliance with relevant research and development guidelines.

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
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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