Description

L-Tryptophan, L-Valylglycyl-L-Seryl-1-[(R)-Carboxy[(5-Oxo-L-Prolyl-L-Prolyl-L-Tyrosyl)Amino]Methyl]-, (41→1)-Lactam is a complex, high-purity synthetic peptide derivative. This compound is of significant interest for advanced research and development in the pharmaceutical and biotechnology sectors, particularly in the design of novel peptide-based therapeutics and biochemical probes. It is primarily utilized by research institutions, pharmaceutical R&D departments, and fine chemical manufacturers focused on peptide synthesis and drug discovery.

Application

• Pharmaceutical Research & Development: Serves as a key intermediate or reference standard in the synthesis and study of novel peptide-based drug candidates.
• Biochemical Research: Used as a specialized substrate or ligand in enzymatic studies, receptor binding assays, and structure-activity relationship (SAR) investigations.
• Peptide Synthesis: Acts as a critical building block for the solid-phase or solution-phase synthesis of complex, multi-functional peptide sequences.
• Proteomics & Molecular Biology: Employed in the development of specialized tools for protein labeling, cross-linking, or as a component of affinity purification tags.
• Academic Research: Utilized in university and institutional labs for fundamental studies in peptide chemistry, medicinal chemistry, and molecular pharmacology.
• Fine Chemical Manufacturing: Supplied as a high-value intermediate for the production of custom peptides and specialized research chemicals.

Basic Information

Product Name	L-Tryptophan, L-Valylglycyl-L-Seryl-1-[(R)-Carboxy[(5-Oxo-L-Prolyl-L-Prolyl-L-Tyrosyl)Amino]Methyl]-, (41→1)-Lactam
CAS No.	125708-06-7
Molecular Formula	C48H60N10O13
Molecular Weight	984.04 g/mol
Synonyms	L-Tryptophan, L-Valylglycyl-L-seryl-1-[(R)-carboxy[(5-oxo-L-prolyl-L-prolyl-L-tyrosyl)amino]methyl]-, (41→1)-lactam; Cyclo(L-tryptophyl-L-valylglycyl-L-seryl-1-[(R)-carboxy[(5-oxo-L-prolyl-L-prolyl-L-tyrosyl)amino]methyl]-); Peptide lactam derivative (CAS 125708-06-7); Tryptophan-containing cyclic peptide; L-Val-Gly-L-Ser-1-[(R)-Carboxy[(5-Oxo-L-Pro-L-Pro-L-Tyr)Amino]Methyl]-, (41→1)-Lactam of L-Trp
EINECS	Contact for details

Quality Control

Our L-Tryptophan, L-Valylglycyl-L-Seryl-1-[(R)-Carboxy[(5-Oxo-L-Prolyl-L-Prolyl-L-Tyrosyl)Amino]Methyl]-, (41→1)-Lactam is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the stringent requirements of research and pharmaceutical applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting batch-specific results.

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 structure
Identification (HPLC)	Retention time matches reference standard
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.