Description

Aspartyl-Seryl-Aspartyl-Glycyl-Lysine is a synthetic peptide sequence of significant interest in advanced biochemical research and development. This compound is valued for its role as a building block in peptide synthesis and as a model substrate for studying enzymatic activity and protein-protein interactions. It is primarily utilized by research institutions, pharmaceutical developers, and biotechnology companies focused on peptide-based therapeutics, diagnostic tools, and biochemical assays.

Application

• Pharmaceutical Research & Development: Serves as a key intermediate or reference standard in the synthesis of novel therapeutic peptides and peptidomimetics.
• Biochemical Assay Development: Used as a specific substrate or inhibitor in enzymatic studies, particularly for proteases like caspases or other serine/aspartic proteases.
• Cosmeceutical Formulation: Investigated for potential bioactive properties in high-performance skincare products targeting specific skin signaling pathways.
• Diagnostic Reagent Production: Employed in the development of immunoassays, biosensors, and other diagnostic kits that require specific peptide antigens or capture molecules.
• Academic & Life Science Research: Provides a tool for studying cell signaling, apoptosis, and other fundamental biological processes in a controlled laboratory setting.

Basic Information

Product Name	Aspartyl-Seryl-Aspartyl-Glycyl-Lysine
CAS No.	125464-46-2
Molecular Formula	C22H36N8O11
Molecular Weight	588.57 g/mol
Synonyms	ASD-Gly-Lys; Asp-Ser-Asp-Gly-Lys; H-Asp-Ser-Asp-Gly-Lys-OH; L-Aspartyl-L-seryl-L-aspartyl-glycyl-L-lysine; Caspase Substrate Peptide (related); DSDGK (alternative abbreviation); Peptide Sequence 22
EINECS	Contact for details

Quality Control

Our Aspartyl-Seryl-Aspartyl-Glycyl-Lysine is produced under stringent quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and amino acid analysis. Certificates of Analysis (COA) detailing purity, water content, and related substances are provided to ensure compliance with research-grade specifications and traceability.

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); allow the sealed vial to equilibrate to room temperature before opening to minimize condensation and moisture uptake.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80.0%
Single Impurity (HPLC)	≤ 1.0%

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