Description

Poly-Dl-Alanine is a synthetic, racemic mixture of the non-essential amino acid alanine, widely utilized as a fundamental building block in peptide synthesis and biochemical research. Its consistent quality and defined structure make it a critical raw material for developing and calibrating analytical methods, particularly in chromatography and spectroscopy. This compound is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors who require a reliable, high-purity standard for their processes.

Application

• Peptide Synthesis: Serves as a key monomer in the solid-phase and solution-phase synthesis of custom peptides for research and therapeutic development.
• Biochemical Research: Used as a standard reference compound in enzymatic studies, metabolic pathway analysis, and protein structure-function investigations.
• Analytical Chemistry: Employed as a calibration standard for High-Performance Liquid Chromatography (HPLC), Amino Acid Analysis (AAA), and mass spectrometry to ensure analytical accuracy.
• Nutraceutical & Cosmetic Formulation: Incorporated as a model amino acid in the development of skin-care products and dietary supplements to study stability and delivery mechanisms.
• Microbiology & Cell Culture: Acts as a component of defined culture media and buffers used in microbial fermentation and mammalian cell culture processes.
• Polymer Science: Investigated as a monomer for creating biodegradable and biocompatible poly(amino acid) materials with potential medical applications.

Basic Information

Product Name	Poly-Dl-Alanine
CAS No.	25281-63-4
Molecular Formula	(C₃H₇NO₂)ₙ
Molecular Weight	Variable (Monomer: 89.09 g/mol)
Synonyms	Poly(DL-alanine); DL-Polyalanine; Poly(rac-alanine); Poly(alanine) racemic; NSC 526046; Poly-DL-2-aminopropanoic acid; Alanine homopolymer (racemic); Poly(Ala)
EINECS	Contact for details

Quality Control

Every batch of our Poly-Dl-Alanine is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high-purity requirements for research and synthesis. A detailed Certificate of Analysis (COA), including data for assay, chiral purity, and residual solvents, is available for each lot and supplied with every order.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to prevent moisture absorption, which can affect stability and handling properties.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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