Description

n-α-Dansyl-L-Tryptophan Cyclohexylammonium Salt is a high-purity, dansyl-labeled derivative of the amino acid L-tryptophan. This compound is a critical reagent in advanced biochemical research and analytical method development, valued for its strong fluorescence properties. It is primarily utilized by researchers and quality control laboratories in the pharmaceutical, biotechnology, and life science sectors for applications requiring sensitive detection and quantification.

Application

• Fluorescent Labeling Agent: Used as a derivatization reagent for the sensitive HPLC or LC-MS analysis of amino acids, peptides, and proteins.
• Biochemical Research: Serves as a substrate or probe in enzyme activity studies, particularly for proteases and peptidases.
• Pharmaceutical Analysis: Employed in the development and validation of analytical methods for drug substances and related impurities.
• Proteomics & Metabolomics: Acts as a tagging molecule for the fluorescence-based detection of biomolecules in complex mixtures.
• Reference Standard: Used as a certified reference material (CRM) or working standard for quality control and calibration.
• Diagnostic Kit Development: Incorporated into assay kits for the detection of specific enzymatic activities or biomarkers.

Basic Information

Product Name	n-α-Dansyl-L-Tryptophan Cyclohexylammonium Salt
CAS No.	19461-29-1
Molecular Formula	C30H38N4O4S
Molecular Weight	550.71 g/mol
Synonyms	N-α-Dansyl-L-tryptophan cyclohexylammonium salt; Dansyl-L-tryptophan cyclohexylamine salt; 5-(Dimethylamino)naphthalene-1-sulfonyl-L-tryptophan cyclohexylammonium salt; L-Tryptophan, N-[5-(dimethylamino)-1-naphthalenesulfonyl]-, compd. with cyclohexanamine (1:1); DNS-Trp·CHA; Dns-Trp cyclohexylammonium salt
EINECS	Contact for details

Quality Control

Our n-α-Dansyl-L-Tryptophan Cyclohexylammonium Salt is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, identity confirmation by IR and NMR, and specific tests for residual solvents and moisture. Certificates of Analysis (COA) detailing all specifications and results are provided to ensure traceability and compliance with your research or quality standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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