Description

(+)-L-Arg-[(4S)-4-Hydroxy-L-Arg-]-D-Orn-L-Thr-D-Orn-[(4S)-4-Hydroxy-L-Arg-]-D-Tyr-Oh is a specialized, high-purity synthetic peptide derivative of significant interest in advanced biochemical research and development. This compound is valued for its unique structural features, including multiple arginine and ornithine residues, which are critical for studying specific molecular interactions and biological pathways. It serves as a key intermediate or reference standard for pharmaceutical discovery, particularly in areas involving peptide-based therapeutics, enzyme inhibitors, and diagnostic probe development.

Application

• Pharmaceutical Research & Development: As a critical intermediate in the synthesis of novel peptide-based drug candidates targeting specific receptors or enzymes.
• Biochemical Reference Standard: For use in analytical method development, validation, and quality control of related peptide substances in GMP environments.
• Proteomics & Molecular Biology: As a tool compound for investigating protein-protein interactions, signal transduction pathways, and post-translational modification studies.
• Diagnostic Reagent Development: Potential use in the formulation of high-sensitivity assay kits and diagnostic markers.
• Academic & Institutional Research: For fundamental studies in peptide chemistry, structure-activity relationships (SAR), and medicinal chemistry programs.

Basic Information

Product Name	(+)-L-Arg-[(4S)-4-Hydroxy-L-Arg-]-D-Orn-L-Thr-D-Orn-[(4S)-4-Hydroxy-L-Arg-]-D-Tyr-Oh
CAS No.	74899-63-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Cyclo(-L-Arg-4-Hydroxy-L-Arg-D-Orn-L-Thr-D-Orn-4-Hydroxy-L-Arg-D-Tyr); Arg-HArg-D-Orn-Thr-D-Orn-HArg-D-Tyr cyclic peptide; 74899-63-1; Cyclic heptapeptide derivative; L-Arg-[(4S)-4-Hydroxy-L-Arg]-D-Orn-L-Thr-D-Orn-[(4S)-4-Hydroxy-L-Arg]-D-Tyr
EINECS	Contact for details

Quality Control

Our (+)-L-Arg-[(4S)-4-Hydroxy-L-Arg-]-D-Orn-L-Thr-D-Orn-[(4S)-4-Hydroxy-L-Arg-]-D-Tyr-Oh is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, mass spectrometry for identity confirmation, and residual solvent analysis, to ensure it meets the stringent requirements for research and development applications. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below for long-term stability. This material is hygroscopic (moisture-sensitive); containers must be kept sealed in a dry environment 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 reference standard
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 2.0%
Water Content (KF)	≤ 5.0%
Residual Solvents (GC)	Meets ICH guidelines

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