Description

Cyclo(L-Ile-L-Leu-L-Ile-L-Leu-L-Leu-) is a cyclic pentapeptide composed of alternating isoleucine and leucine residues, with the CAS registry number 38184-76-8. This structurally defined peptide is valued for its role as a key building block and research tool in advanced pharmaceutical and biochemical applications. It is primarily utilized by researchers and manufacturers in the fields of peptide synthesis, medicinal chemistry, and as a reference standard for analytical studies.

Application

• Pharmaceutical Research & Development: Serves as a crucial intermediate or reference compound in the synthesis of novel therapeutic peptides and peptidomimetics.
• Medicinal Chemistry: Used as a scaffold or model compound to study structure-activity relationships (SAR), conformational analysis, and bioactivity.
• Biochemical Research: Employed in studies of peptide-protein interactions, enzyme substrates or inhibitors, and cell signaling pathways.
• Analytical Standard: Acts as a high-purity reference standard for quality control, method development, and calibration in analytical techniques like HPLC and LC-MS.
• Cosmeceutical Applications: Potential use in the development of bioactive cosmetic ingredients targeting skin repair or anti-aging.
• Academic & Institutional Research: A valuable tool for universities and research institutes conducting fundamental studies in organic chemistry and peptide science.

Basic Information

Product Name	Cyclo(L-Ile-L-Leu-L-Ile-L-Leu-L-Leu-)
CAS No.	38184-76-8
Molecular Formula	C30H54N5O5
Molecular Weight	564.78 g/mol
Synonyms	Cyclo(-Ile-Leu-Ile-Leu-Leu-); Cyclo(ILIL); Cyclo(Ile-Leu-Ile-Leu-Leu); Cyclopentapeptide (Ile, Leu); Cyclo(L-Isoleucyl-L-leucyl-L-isoleucyl-L-leucyl-L-leucine); 38184-76-8; Cyclo[Ile-Leu-Ile-Leu-Leu]
EINECS	Contact for details

Quality Control

Our Cyclo(L-Ile-L-Leu-L-Ile-L-Leu-L-Leu-) is produced and tested under stringent quality management systems. Each batch undergoes comprehensive analytical characterization to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with detailed results from techniques including HPLC, MS, and NMR. Specifications can be tailored to meet the requirements of research, GMP, or other regulatory standards upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals	≤ 20 ppm

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