Description

Dabsyl-L-Alanine CAS NO 89131-10-2 is a high-purity, chromogenic amino acid derivative specifically designed for advanced analytical applications. This compound is a critical reagent for the pre-column derivatization of amino acids, significantly enhancing their detection sensitivity and chromatographic separation in HPLC and LC-MS analyses. It is an essential tool for researchers and quality control laboratories in the pharmaceutical, biotechnology, and food science industries requiring precise amino acid quantification.

Application

• Amino Acid Analysis: Primary reagent for the pre-column derivatization of amino acids prior to HPLC or UHPLC analysis.
• Pharmaceutical QC: Used in the purity testing and characterization of peptide-based drugs and protein pharmaceuticals.
• Biomedical Research: Essential for metabolomics studies, protein hydrolysis analysis, and monitoring amino acid levels in biological fluids.
• Food & Nutrition Science: Employed in the accurate determination of amino acid profiles in protein hydrolysates, infant formula, and dietary supplements.
• Peptide Synthesis Monitoring: Used to derivative and quantify amino acids during peptide synthesis and for checking racemization.
• Diagnostic Reagent Manufacturing: A key component in kits and reagents for clinical diagnostics and newborn screening programs.

Basic Information

Product Name	Dabsyl-L-Alanine
CAS No.	89131-10-2
Molecular Formula	C14H15N3O4S
Molecular Weight	321.35 g/mol
Synonyms	4-Dimethylaminoazobenzene-4'-sulfonyl-L-alanine; DABSYL-L-Ala; Dabsyl-L-Ala-OH; L-Alanine, N-[4-[(4-dimethylamino)phenyl]azo]benzenesulfonyl]-; N-Dabsyl-L-alanine; DABSYL-Alanine; Dabsyl alanine; 4-(Dimethylamino)azobenzene-4'-sulfonyl-L-alanine
EINECS	Contact for details

Quality Control

Our Dabsyl-L-Alanine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral purity verification, and identity confirmation (IR, NMR) to ensure it meets the exacting standards required for sensitive analytical applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent batch-to-batch performance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% (L-isomer)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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