Description

L-Aspartic Acid, L-Lysyl-L-α-Glutamyl-L-Asparaginyl-L-Alanyl-L-Leucyl-L-Leucyl-L-Arginyl-L-Tyrosyl-L-Leucyl-L-Leucyl-L-α-Aspartyl-L-Lysyl-L-α-Aspartyl- CAS NO 359821-54-8 is a high-purity, synthetic peptide sequence of significant interest in advanced biochemical research and pharmaceutical development. This compound matters as a precisely engineered building block for studying protein-protein interactions, enzyme mechanisms, and as a potential precursor for novel therapeutic agents. It is primarily needed by research institutions, biotechnology companies, and pharmaceutical R&D departments focused on peptide-based drug discovery, diagnostic assay development, and fundamental proteomics research.

Application

• Pharmaceutical R&D: Serving as a critical reference standard or active pharmaceutical ingredient (API) intermediate in the development of novel peptide therapeutics.
• Biochemical Research: Utilized as a substrate or inhibitor in enzymatic studies to investigate specific protease or kinase activities and signaling pathways.
• Proteomics & Diagnostics: Acting as a calibrated component in mass spectrometry standards for protein quantification and in the development of immunoassays.
• Cosmeceutical Development: Investigated for potential bio-active properties in high-end skincare formulations targeting specific cellular functions.
• Academic Research: Used in university laboratories for studying peptide synthesis, folding, stability, and structure-activity relationships (SAR).

Basic Information

Product Name	L-Aspartic Acid, L-Lysyl-L-α-Glutamyl-L-Asparaginyl-L-Alanyl-L-Leucyl-L-Leucyl-L-Arginyl-L-Tyrosyl-L-Leucyl-L-Leucyl-L-α-Aspartyl-L-Lysyl-L-α-Aspartyl- CAS NO 359821-54-8
CAS No.	359821-54-8
Molecular Formula	C73H122N22O25
Molecular Weight	1683.9 g/mol (theoretical)
Synonyms	Asp-Lys-Glu-Asn-Ala-Leu-Leu-Arg-Tyr-Leu-Leu-Asp-Lys-Asp; AKENALLRYLLDKD; H-Asp-Lys-Glu-Asn-Ala-Leu-Leu-Arg-Tyr-Leu-Leu-Asp-Lys-Asp-OH; 14-mer peptide (Asp-Lys-Glu-Asn-Ala-Leu-Leu-Arg-Tyr-Leu-Leu-Asp-Lys-Asp); Peptide Sequence 359821-54-8; Synthetic Tetradecapeptide; Research Peptide 359821-54-8
EINECS	Contact for details

Quality Control

Our L-Aspartic Acid, L-Lysyl-L-α-Glutamyl-L-Asparaginyl-L-Alanyl-L-Leucyl-L-Leucyl-L-Arginyl-L-Tyrosyl-L-Leucyl-L-Leucyl-L-α-Aspartyl-L-Lysyl-L-α-Aspartyl- is manufactured under controlled conditions to ensure high purity and batch-to-batch consistency, suitable for sensitive research applications. Each lot undergoes comprehensive analysis including HPLC for purity, MS for identity confirmation, and tests for residual solvents and endotoxins where applicable. Certificates of Analysis (COA) detailing all specifications are provided and available upon request.

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). Allow the vial to equilibrate to room temperature in a desiccator before opening to prevent condensation and hydrolysis. For short-term use, store at 2-8°C.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Assay (Peptide Content)	≥ 80.0% (by weight)
Single Impurity (HPLC)	≤ 1.0%
Water Content (KF)	≤ 5.0%
Acetate Content (HPLC/IC)	≤ 10.0%

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