Description

H-Ala-Ala-Lys-Oh CAS NO 45243-22-9 is a synthetic tripeptide composed of two alanine residues and one lysine residue with a free C-terminal carboxylic acid. This compound serves as a crucial building block and biochemical tool in advanced research and development. It is primarily utilized by pharmaceutical, biotechnology, and life science research organizations for applications in peptide synthesis, proteomics, and as a reference standard.

Application

• Pharmaceutical Intermediate: Used in the synthesis of more complex therapeutic peptides and peptidomimetics.
• Biochemical Research: Acts as a substrate or inhibitor in enzymatic studies, particularly for proteases like trypsin and plasmin.
• Proteomics & Mass Spectrometry: Serves as a calibration standard or model compound for method development in peptide analysis.
• Cell Culture & Microbiology: Can be incorporated into specialized media or used to study peptide transport and metabolism in cells.
• Cosmetic Peptide Synthesis: A potential raw material for constructing bioactive peptides used in skincare formulations.
• Academic Research: Employed in university and institutional labs for teaching and fundamental studies in peptide chemistry and biochemistry.

Basic Information

Product Name	H-Ala-Ala-Lys-Oh
CAS No.	45243-22-9
Molecular Formula	C12H23N4O4
Molecular Weight	287.34 g/mol
Synonyms	Ala-Ala-Lys; AAK; H-Ala-Ala-Lys-OH; L-Alanyl-L-alanyl-L-lysine; (2S)-2-[[(2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]propanoyl]amino]propanoic acid; AAK-OH; Tripeptide AAK; H-AAK-OH
EINECS	Contact for details

Quality Control

Our H-Ala-Ala-Lys-Oh is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC for purity, MS for identity confirmation, and chiral analysis to ensure stereochemical integrity. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing purity, assay, and impurity profiles to meet your regulatory and research requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C for long-term stability. This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 95.0%
Assay (Titration)	≥ 98.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm
Specific Rotation	Contact for details

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