Description

S-Benzyl-n-(Benzyloxycarbonyl)-L-Cysteinyl-L-Tyrosyl-L-Isoleucyl-L-Glutaminyl-L-Asparaginyl-S-Benzyl-L-Cysteinyl-L-Prolyl-L-Leucylglycinamide CAS NO 3274-73-5 is a complex, synthetic peptide derivative primarily used as a key intermediate in advanced pharmaceutical research and development. Its intricate structure, featuring protected cysteine and tyrosine residues, makes it a critical building block for the synthesis of larger, biologically active peptide sequences. This high-purity compound is essential for researchers and manufacturers in the fields of peptide therapeutics, drug discovery, and biochemical studies, where precise molecular construction is paramount.

Application

• Pharmaceutical Intermediate: A crucial building block for the solid-phase or solution-phase synthesis of complex therapeutic peptides and peptidomimetics.
• Drug Discovery Research: Used in medicinal chemistry for structure-activity relationship (SAR) studies and the development of novel peptide-based drug candidates.
• Biochemical Reagent: Serves as a substrate or inhibitor in enzymatic assays and studies of protease or peptidase activity.
• Reference Standard: Employed as a high-purity analytical standard for quality control and method validation in peptide manufacturing.
• Peptide Library Synthesis: Utilized in the generation of combinatorial peptide libraries for high-throughput screening against biological targets.
• Academic Research: Supports fundamental studies in peptide chemistry, protein folding, and molecular biology within university and institutional laboratories.

Basic Information

Product Name	S-Benzyl-n-(Benzyloxycarbonyl)-L-Cysteinyl-L-Tyrosyl-L-Isoleucyl-L-Glutaminyl-L-Asparaginyl-S-Benzyl-L-Cysteinyl-L-Prolyl-L-Leucylglycinamide
CAS No.	3274-73-5
Molecular Formula	C68H91N13O17S2
Molecular Weight	1390.66 g/mol
Synonyms	Z-Cys(Bzl)-Tyr-Ile-Gln-Asn-Cys(Bzl)-Pro-Leu-Gly-NH2; [Cys(Bzl)1,7]-Oxytocin (1-9) Nonapeptide Amide; Z-Cys(Bzl)-Tyr-Ile-Gln-Asn-Cys(Bzl)-Pro-Leu-Gly Amide; Oxytocin Fragment 1-9 (Cys(Bzl)1,7); S-Benzyl-L-cysteinyl-L-tyrosyl-L-isoleucyl-L-glutaminyl-L-asparaginyl-S-benzyl-L-cysteinyl-L-prolyl-L-leucylglycinamide, Nα-[(benzyloxy)carbonyl]-; H-Z-Cys(Bzl)-Tyr-Ile-Gln-Asn-Cys(Bzl)-Pro-Leu-Gly-NH2
EINECS	Contact for details

Quality Control

Our S-Benzyl-n-(Benzyloxycarbonyl)-L-Cysteinyl-L-Tyrosyl-L-Isoleucyl-L-Glutaminyl-L-Asparaginyl-S-Benzyl-L-Cysteinyl-L-Prolyl-L-Leucylglycinamide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, mass spectrometry (MS) for identity confirmation, and amino acid analysis (AAA). We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or cGMP guidelines for advanced intermediates. Specifications can be tailored to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a freezer. This product is hygroscopic (moisture-sensitive); allow the sealed vial to equilibrate to room temperature before opening to minimize moisture uptake. For long-term storage, keep desiccated.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC-MS)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 1.0%
Amino Acid Analysis	Within ± 10% of theoretical
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 70.0%

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