Description

H-D-Ala-D-Ala-D-Ala-Oh is a synthetic tripeptide composed of three D-alanine residues. This compound is a key structural motif and intermediate in the study of bacterial cell wall biosynthesis and antibiotic resistance mechanisms. It is primarily utilized by research institutions and pharmaceutical companies engaged in the development of novel antimicrobial agents and biochemical research. The product is supplied as a high-purity material to ensure reliable and reproducible experimental results.

Application

• Biochemical Research: Used as a substrate or inhibitor in enzymatic studies related to peptidoglycan synthesis.
• Antibiotic Development: Serves as a critical intermediate and model compound for researching vancomycin and other glycopeptide antibiotics that target the D-Ala-D-Ala terminus.
• Microbiology Studies: Employed in investigations of bacterial cell wall structure, function, and the mechanisms of antibiotic resistance.
• Peptide Synthesis: Acts as a building block for the solid-phase or solution-phase synthesis of more complex peptides and peptidomimetics.
• Pharmaceutical Intermediates: Used in the research and development stages of new therapeutic agents targeting bacterial infections.

Basic Information

Product Name	H-D-Ala-D-Ala-D-Ala-Oh
CAS No.	1114-94-9
Molecular Formula	C9H17N3O4
Molecular Weight	231.25 g/mol
Synonyms	D-Alanyl-D-alanyl-D-alanine; (R)-2-((R)-2-((R)-2-Aminopropanamido)propanamido)propanoic acid; H-D-Ala-D-Ala-D-Ala-OH; D-Ala-D-Ala-D-Ala; Tri-D-alanine; D-Alanine trimer; DDD Tripeptide; NSC 334905
EINECS	Contact for details

Quality Control

Our H-D-Ala-D-Ala-D-Ala-Oh is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and identity confirmation via spectroscopic methods, to ensure it meets high-grade research standards. A Certificate of Analysis (COA) detailing specific results for purity, appearance, and other critical parameters is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to maintain stability and purity. For long-term storage, consider desiccants or inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Specific Rotation	Contact for details
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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