Description

Dansyl-L-Valine is a high-purity, fluorescent-labeled derivative of the essential amino acid L-Valine, widely recognized under the CAS registry number 1098-50-6. This compound serves as a critical reagent in advanced analytical and biochemical research, offering excellent fluorescence properties for sensitive detection and quantification. It is primarily utilized by researchers and manufacturers in the pharmaceutical, proteomics, and analytical chemistry sectors for applications requiring precise molecular tagging and analysis.

Application

• Fluorescent Labeling Agent: Used for tagging peptides, proteins, and amino acids in chromatography (HPLC, TLC) and capillary electrophoresis for enhanced detection sensitivity.
• Proteomics Research: Employed in the study of protein structure, function, and interactions through fluorescence-based assays and imaging techniques.
• Pharmaceutical Analysis: Acts as a derivatization reagent for the accurate assay and purity testing of amino acids and related compounds in drug substances and products.
• Biochemical Reagent: Serves as a standard or reference compound in method development and validation for amino acid analysis.
• Diagnostic Kit Component: Incorporated into diagnostic kits and assays for the detection of specific biomarkers or enzymatic activities.

Basic Information

Product Name	Dansyl-L-Valine
CAS No.	1098-50-6
Molecular Formula	C₁₇H₂₄N₂O₄S
Molecular Weight	352.45 g/mol
Synonyms	5-(Dimethylamino)naphthalene-1-sulfonyl-L-valine; L-Valine, N-[5-(dimethylamino)-1-naphthalenyl]sulfonyl]-; DNS-Val; Dansylvaline; N-Dansyl-L-valine; 1-Dimethylaminonaphthalene-5-sulfonyl-L-valine; N-(1-Dimethylaminonaphthalene-5-sulfonyl)-L-valine
EINECS	214-158-1

Quality Control

Our Dansyl-L-Valine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and analytical applications. Certificates of Analysis (COA) with detailed batch-specific results are provided to guarantee traceability and 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). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Yellow to light brown powder or crystals
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Specific Rotation	Contact for details
Water Content	≤ 1.0%
Heavy Metals	≤ 20 ppm

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