Description

n-[n-[n-(3-Hydroxy-4-Methyl-1-Oxooctyl)-L-Tryptophyl]-L-Phenylalanyl]-D-Alloisoleucine λ-Lactone is a complex, high-purity cyclic peptide derivative of significant interest in advanced pharmaceutical research and development. Its intricate molecular architecture makes it a valuable synthetic intermediate for creating novel bioactive compounds. This product is primarily targeted at research institutions and pharmaceutical companies engaged in the synthesis of peptide-based therapeutics, enzyme inhibitors, and other specialized fine chemicals. The compound, identified by CAS No. 76265-41-3, is supplied with stringent quality control to ensure consistency for critical applications.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel peptide-based drugs and therapeutic agents.
• Biochemical Research: Used as a substrate or inhibitor in enzymatic studies and proteomics research.
• Peptide Library Synthesis: A valuable component for constructing diverse peptide libraries in drug discovery platforms.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.
• Medicinal Chemistry: Employed in structure-activity relationship (SAR) studies to optimize biological activity and pharmacokinetic properties.

Basic Information

Item	Details
Product Name	n-[n-[n-(3-Hydroxy-4-Methyl-1-Oxooctyl)-L-Tryptophyl]-L-Phenylalanyl]-D-Alloisoleucine λ-Lactone
CAS No.	76265-41-3
Molecular Formula	C₃₇H₄₈N₆O₆
Molecular Weight	672.82 g/mol
Synonyms	D-Alloisoleucine λ-Lactone derivative; Cyclo(3-hydroxy-4-methyloctanoyl-L-Trp-L-Phe-D-aIle); L-Tryptophane, N-[N-[N-[(3S,4S)-3-hydroxy-4-methyl-1-oxooctyl]-L-tryptophyl]-L-phenylalanyl]-D-alloisoleucine 1,4-lactone; (3S,4S)-3-Hydroxy-4-methyloctanoic acid cyclic peptide; A complex tryptophan-phenylalanine-alloisoleucine lactone.
EINECS	Contact for details

Quality Control

Every batch of n-[n-[n-(3-Hydroxy-4-Methyl-1-Oxooctyl)-L-Tryptophyl]-L-Phenylalanyl]-D-Alloisoleucine λ-Lactone is manufactured and tested under a strict quality management system. Our products undergo rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency that meet the exacting standards required for pharmaceutical research. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment.

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 compound 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 structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Single Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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