Description

L-Cysteinamide, N6-(Aminoiminomethyl)-N2-(3-Mercapto-1-Oxopropyl)-L-Lysylglycylglycyl-L-α-Aspartyl-L-Tryptophyl-L-Prolyl-, Cyclic (1→7)-Disulfide (9Ci) is a complex, synthetic peptide featuring a cyclic disulfide bridge, which is critical for its structural stability and biological activity. This compound is of significant interest for advanced research and development in the life sciences, particularly for studying protein-protein interactions and receptor binding mechanisms. It is primarily utilized by pharmaceutical researchers, biotechnology companies, and academic institutions focused on peptide-based drug discovery and biochemical analysis.

Application

• Pharmaceutical Research & Development: Serves as a key intermediate or reference standard in the discovery and development of novel peptide-based therapeutics.
• Biochemical Research: Used as a tool compound to study enzyme inhibition, receptor-ligand interactions, and signal transduction pathways.
• Proteomics & Molecular Biology: Employed in studies investigating protein folding, stability, and the role of disulfide bonds in biological function.
• High-Throughput Screening (HTS): Acts as a target molecule in assays designed to identify new drug candidates or biological probes.
• Academic Research: Utilized in university and institutional labs for fundamental research in medicinal chemistry and peptide science.
• Custom Peptide Synthesis: Provides a complex structural template for companies specializing in the custom synthesis of research-grade peptides.

Basic Information

Product Name	L-Cysteinamide, N6-(Aminoiminomethyl)-N2-(3-Mercapto-1-Oxopropyl)-L-Lysylglycylglycyl-L-α-Aspartyl-L-Tryptophyl-L-Prolyl-, Cyclic (1→7)-Disulfide (9Ci)
CAS No.	868242-25-5
Molecular Formula	C37H53N13O11S2
Molecular Weight	912.02 g/mol
Synonyms	Cyclo(1-7)-[Cys(Acm)-Lys(Arg)-Gly-Gly-Asp-Trp-Pro]; Cyclic (1→7)-Disulfide Peptide; L-Cysteinamide, N6-(aminoiminomethyl)-N2-(3-mercapto-1-oxopropyl)-L-lysylglycylglycyl-L-α-aspartyl-L-tryptophyl-L-prolyl-, cyclic (1→7)-disulfide; Arg-Gly-Gly-Asp-Trp-Pro-Cys(Acm) cyclic (1-7) disulfide; RGDWPC(Acm) cyclic peptide; CAS 868242-25-5
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch of L-Cysteinamide, N6-(Aminoiminomethyl)-N2-(3-Mercapto-1-Oxopropyl)-L-Lysylglycylglycyl-L-α-Aspartyl-L-Tryptophyl-L-Prolyl-, Cyclic (1→7)-Disulfide (9Ci) is characterized using advanced analytical techniques to confirm identity, purity, and consistency. Certificates of Analysis (COA) detailing specific test results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below for long-term stability. This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation. Allow the sealed vial to equilibrate to room temperature before opening to minimize moisture condensation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms to structure
Purity (HPLC)	≥ 95%
Assay (Peptide Content)	≥ 80%
Water Content (KF)	≤ 5.0%
Single Impurity (HPLC)	≤ 1.0%
Solubility	Soluble in DMSO, sparingly soluble in water

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