Description

H-Ala-Ser-Oh CAS NO 3303-41-1 is a high-purity dipeptide derivative consisting of alanine and serine residues with a free carboxylic acid terminus. This compound serves as a critical building block and intermediate in advanced pharmaceutical synthesis and peptide research. It is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and life science sectors who require reliable, high-quality raw materials for drug discovery and development.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of complex therapeutic peptides and peptidomimetics.
• Biochemical Research: Used as a standard or substrate in enzymatic studies and metabolic pathway investigations.
• Peptide Synthesis: Essential raw material in solid-phase and solution-phase peptide synthesis for constructing longer peptide chains.
• Drug Discovery: Employed in medicinal chemistry for structure-activity relationship (SAR) studies and lead optimization.
• Cosmetic Peptides: Potential intermediate for the development of bioactive peptides used in skincare formulations.
• Academic Research: Serves as a model compound in university and institutional laboratories for teaching and method development in peptide chemistry.

Basic Information

Product Name	H-Ala-Ser-Oh
CAS No.	3303-41-1
Molecular Formula	C6H12N2O4
Molecular Weight	176.17 g/mol
Synonyms	L-Alanyl-L-serine; Ala-Ser; H-Ala-Ser-OH; Alanine-serine dipeptide; L-Ala-L-Ser; NSC 3346; AS dipeptide; 2-[(2-Amino-1-hydroxypropyl)amino]propanoic acid
EINECS	Contact for details

Quality Control

Our H-Ala-Ser-Oh is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation, to ensure it meets the high standards required for research and pharmaceutical applications. Certificates of Analysis (COA) with detailed chromatographic data are provided 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Optical Rotation	Contact for details
Water Content (KF)	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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