Description

L-Tyrosine, L-asparaginyl-L-seryl-L-seryl-L-asparaginyl-L-tyrosyl-L-cysteinyl-L-cysteinyl-L-α-glutamyl-L-leucyl-L-cysteinyl-L-cysteinyl-L-asparaginyl-L-prolyl-L-alanyl-L-cysteinyl-L-threonylglycyl-L-cysteinyl-, cyclic (6→11),(7→15),(10→18)-tris(disulfide) is a complex, high-purity synthetic peptide characterized by its specific cyclic structure formed through three disulfide bonds. This compound is of significant interest for advanced research and development in the life sciences, particularly for its potential role in studying protein folding, stability, and receptor interactions. It serves as a critical raw material for pharmaceutical R&D, biotechnology applications, and as a reference standard in analytical laboratories.

Application

• Pharmaceutical Research & Development: As a key intermediate or reference compound in the development of novel peptide-based therapeutics and diagnostic agents.
• Biochemical Research: Used in studies of protein structure-function relationships, disulfide bridge formation, and peptide stability.
• Reference Standard: Serves as a high-purity analytical standard for method development, validation, and quality control in HPLC, LC-MS, and other chromatographic systems.
• Bioconjugation & Probe Development: Potential use in creating labeled probes for imaging, assay development, and target identification studies.
• Academic & Institutional Research: Supplied to universities and research institutes for fundamental studies in biochemistry, molecular biology, and medicinal chemistry.

Basic Information

Product Name	L-Tyrosine, L-asparaginyl-L-seryl-L-seryl-L-asparaginyl-L-tyrosyl-L-cysteinyl-L-cysteinyl-L-α-glutamyl-L-leucyl-L-cysteinyl-L-cysteinyl-L-asparaginyl-L-prolyl-L-alanyl-L-cysteinyl-L-threonylglycyl-L-cysteinyl-, cyclic (6→11),(7→15),(10→18)-tris(disulfide)
CAS No.	118447-40-8
Molecular Formula	C81H122N24O28S6
Molecular Weight	1992.3 g/mol (theoretical)
Synonyms	Cyclic (6→11),(7→15),(10→18)-tris(disulfide) peptide; [Asn1,Ser2,Ser3,Asn4,Tyr5,Cys6,Cys7,Glu8,Leu9,Cys10,Cys11,Asn12,Pro13,Ala14,Cys15,Thr16,Gly17,Cys18]-peptide cyclic (6-11,7-15,10-18)-trisulfide; Synthetic peptide with three intramolecular disulfide bridges; CAS 118447-40-8; Custom peptide 118447-40-8
EINECS	Contact for details

Quality Control

Our synthetic peptides are manufactured under strict quality systems. Each batch of L-Tyrosine, L-asparaginyl-L-seryl-L-seryl-L-asparaginyl-L-tyrosyl-L-cysteinyl-L-cysteinyl-L-α-glutamyl-L-leucyl-L-cysteinyl-L-cysteinyl-L-asparaginyl-L-prolyl-L-alanyl-L-cysteinyl-L-threonylglycyl-L-cysteinyl-, cyclic (6→11),(7→15),(10→18)-tris(disulfide) undergoes comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and amino acid analysis. We provide a detailed Certificate of Analysis (COA) with each shipment, ensuring traceability and compliance with your research or development specifications.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a desiccated environment. This product is hygroscopic (moisture-sensitive). For long-term storage, consider aliquoting to minimize freeze-thaw cycles and exposure to atmospheric humidity. Allow the sealed vial to equilibrate to room temperature before opening to prevent condensation.

Specification

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

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