Description

H-Cys-Ser-Cys-Ser-Ser-Trp-Leu-Asp-Lys-Glu-Cys-Val-Tyr-Phe-Cys-His-Leu-Asp-Ile-Ile-Trp-Oh is a synthetic peptide of significant interest in advanced biochemical research and development. This compound, with CAS number 123562-20-9, is valued for its specific amino acid sequence and structural properties, which are critical for studying protein-protein interactions and biological pathways. It is primarily utilized by research institutions and pharmaceutical companies engaged in peptide-based drug discovery, diagnostic assay development, and fundamental life science studies.

Application

• Biomedical Research: Used as a reference standard or active component in studies of specific enzymatic activity, receptor binding, and signal transduction mechanisms.
• Pharmaceutical Development: Serves as a key intermediate or model compound in the discovery and optimization of novel peptide therapeutics and targeted drug delivery systems.
• Diagnostic Reagents: Employed in the development of sensitive and specific immunoassays, biosensors, and in vitro diagnostic (IVD) kits.
• Bioconjugation & Labeling: Acts as a scaffold for attaching fluorescent dyes, biotin, or other probes for cellular imaging and detection applications.
• Structure-Activity Relationship (SAR) Studies: Essential for investigating how modifications to the peptide sequence affect its biological function and stability.
• Academic & Institutional Research: Provides a high-purity tool for graduate-level and post-doctoral research in biochemistry, molecular biology, and pharmacology.

Basic Information

Item	Details
Product Name	H-Cys-Ser-Cys-Ser-Ser-Trp-Leu-Asp-Lys-Glu-Cys-Val-Tyr-Phe-Cys-His-Leu-Asp-Ile-Ile-Trp-Oh
CAS No.	123562-20-9
Molecular Formula	C124H178N30O34S3
Molecular Weight	Contact for details
Synonyms	Cyclic Peptide Fragment; Cys-Ser-Cys-Ser-Ser-Trp-Leu-Asp-Lys-Glu-Cys-Val-Tyr-Phe-Cys-His-Leu-Asp-Ile-Ile-Trp; CS-CSSWLDKECVYFCHLDIIW-OH; Research Peptide 123562-20-9; Synthetic Oligopeptide; H-CSCSSWLDKECVYFCHLDIIW-OH; (Sequence-based IUPAC name)
EINECS	Contact for details

Quality Control

Our H-Cys-Ser-Cys-Ser-Ser-Trp-Leu-Asp-Lys-Glu-Cys-Val-Tyr-Phe-Cys-His-Leu-Asp-Ile-Ile-Trp-Oh is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity, MS for identity confirmation, and amino acid analysis. Certificates of Analysis (COA) detailing purity, peptide content, and solvent residues are available upon request to ensure full traceability and compliance with your research specifications.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a dry environment. This product is hygroscopic (moisture-sensitive). For long-term storage, consider desiccant and under an inert atmosphere. Allow the vial to equilibrate to room temperature before opening to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95%
Peptide Content	≥ 80% (by weight)
Amino Acid Analysis	Within ± 10% of theoretical
Single Impurity (HPLC)	≤ 1.0%
Water Content (KF)	≤ 5.0%
Acetate Content (HPLC)	≤ 10.0%

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