Description

H-Lys-Arg-Ser-Arg-Oh is a synthetic tetrapeptide sequence featuring lysine, arginine, and serine residues. This compound is of significant interest in biochemical research and pharmaceutical development due to its potential role in modulating biological pathways and enzyme interactions. It is primarily utilized by research institutions and biotechnology companies engaged in peptide synthesis, drug discovery, and proteomics studies. The product, identified by CAS No. 193613-75-1, is supplied under stringent quality control to ensure consistency for critical applications.

Application

• Biochemical Research: Serves as a standard or substrate in enzymatic studies and signal transduction pathway analysis.
• Pharmaceutical Development: Used as a key intermediate or building block in the synthesis of novel therapeutic peptides.
• Proteomics & Diagnostics: Employed in the development of assays and diagnostic tools targeting specific protein interactions.
• Academic Research: Utilized in university laboratories for studying peptide structure-activity relationships and molecular biology.
• Bioconjugation: Acts as a linker or functional component in the creation of peptide-based conjugates for targeted delivery systems.

Basic Information

Product Name	H-Lys-Arg-Ser-Arg-Oh
CAS No.	193613-75-1
Molecular Formula	C22H44N12O7
Molecular Weight	564.66 g/mol
Synonyms	Lys-Arg-Ser-Arg; L-Lysyl-L-arginyl-L-seryl-L-arginine; H-Lys-Arg-Ser-Arg-OH tetrapeptide; KRSR peptide; Arg-Ser-Arg-Lys; Tetrapeptide KRSR; (Lys,Arg,Ser,Arg); L-Arginyl-L-seryl-L-arginyl-L-lysine
EINECS	Contact for details

Quality Control

Our H-Lys-Arg-Ser-Arg-Oh is manufactured under controlled conditions to ensure high purity and batch-to-batch consistency. Quality is verified through a comprehensive suite of analytical techniques including HPLC, MS, and NMR. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment. We adhere to GMP principles where applicable to support research and pre-clinical development needs.

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 in a dry environment. 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
Purity (HPLC)	≥ 95.0%
Assay	≥ 98.0% (on anhydrous basis)
Water Content (KF)	≤ 5.0%
Residual Solvents (GC)	Meets ICH guidelines
Single Impurity (HPLC)	≤ 1.0%
Peptide Content	≥ 80.0%

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