Dansyl-DL-α-amino-n-butyric acid

CAS Number77481-12-0
Molecular FormulaC16H20N2O4S
Molecular Weight336.4
InChI KeyWHTSAZUJHJPZOV-UHFFFAOYSA-N
LogP2.9
Synonyms
  • Dansyl-dl-2-aminobutyric acid
  • 77481-12-0
  • EINECS 278-692-0
  • 2-[[5-(dimethylamino)naphthalen-1-yl]sulfonylamino]butanoic acid
  • (1)-2-(((5-(Dimethylamino)-1-naphthyl)sulphonyl)amino)butyric acid
  • SCHEMBL5706271
  • DTXSID80998673
  • 2-[5-(DIMETHYLAMINO)NAPHTHALENE-1-SULFONAMIDO]BUTANOIC ACID
  • 2-((5-(Dimethylamino)naphthalene)-1-sulfonamido)butanoic acid
  • 2-(([5-(Dimethylamino)-1-naphthyl]sulfonyl)amino)butanoic acid
  • #2-{[5-(Dimethylamino)naphthalene-1-sulfonyl]amino}butanoic acid

Applications:

Uv-Vis Spectrum of Dansyl-L-a-amino-n-butyric acid

February 16, 2026

Access the UV-Vis Spectrum SIELC Library

If you are looking for optimized HPLC method to analyze Dansyl-DL-α-amino-n-butyric acid check our HPLC Applications library

For optimal results in HPLC analysis, it is recommended to measure absorbance at a wavelength that matches the absorption maximum of the compound(s) being analyzed. The UV spectrum shown can assist in selecting an appropriate wavelength for your analysis. Please note that certain mobile phases and buffers may block wavelengths below 230 nm, rendering absorbance measurement at these wavelengths ineffective. If detection below 230 nm is required, it is recommended to use acetonitrile and water as low UV-transparent mobile phases, with phosphoric acid and its salts, sulfuric acid, and TFA as buffers.
For some compounds, the UV-Vis Spectrum is affected by the pH of the mobile phase. The spectra presented here are measured with an acidic mobile phase that has a pH of 3 or lower.

 

 

 

 

Application Analytes:
Dansyl-DL-α-amino-n-butyric acid
SIELC Technologies usually develops more than one method for each compound. Therefore, this particular method may not be the best available method from our portfolio for your specific application. Before you decide to implement this method in your research, please send us an email to research@sielc.com so we can ensure you get optimal results for your compound/s of interest.

HPLC Method for Analysis of Dansyl Amino Acids

May 3, 2018

HPLC Method for Dansyl Amino Acids on Newcrom R1 by SIELC Technologies

High Performance Liquid Chromatography (HPLC) Method for Analysis of Dansyl-DL-leucine cyclohexylammonium salt, Dansyl-DL-norleucine cyclohexylammonium salt, Dansyl-DL-norvaline piperidinium salt, Dansyl-DL-phenylalanine cyclohexylammonium salt, Dansyl-DL-valine cyclohexylammonium salt, Dansyl-DL-α-amino-n-butyric acid, Dansyl-L-methionine cyclohexylammonium salt, Dansyl-gamma-aminobutyric cyclohexylammonium salt 

Dansyl Amino Acids are created when dansyl chloride reacts with amino acids, peptides, or protein. It is used for identification and quantification of the previously mentioned compounds through Thin Layer Chromatography (TLC) and High-Performance-Liquid-Chromatography (HPLC) in a process called dansylation.

Dansyl-DL-leucine cyclohexylammonium salt, Dansyl-DL-norleucine cyclohexylammonium salt, Dansyl-DL-norvaline piperidinium salt, Dansyl-DL-phenylalanine cyclohexylammonium salt, Dansyl-DL-valine cyclohexylammonium salt, Dansyl-DL-α-amino-n-butyric acid, Dansyl-L-methionine cyclohexylammonium salt, Dansyl-gamma-aminobutyric cyclohexylammonium salt can be retained and analyzed using the Newcrom R1 stationary phase column. The analysis utilizes a gradient method with a simple mobile phase consisting of water and acetonitrile (MeCN) with a phosphoric acid buffer. Detection is performed using UV.

ColumnNewcrom R1, 3.2 x 150 mm, 5 µm, 100 A, dual ended
Mobile PhaseGradient MeCN 30-50%
BufferH3PO4 – 0.1%
Flow Rate1.0ml/min
DetectionUV, 230 nm
Class of Compounds
Amino Acids
Analyzing CompoundsDansyl-DL-leucine cyclohexylammonium salt, Dansyl-DL-norleucine cyclohexylammonium salt, Dansyl-DL-norvaline piperidinium salt, Dansyl-DL-phenylalanine cyclohexylammonium salt, Dansyl-DL-valine cyclohexylammonium salt, Dansyl-DL-α-amino-n-butyric acid, Dansyl-L-methionine cyclohexylammonium salt, Dansyl-gamma-aminobutyric cyclohexylammonium salt

Application Column

Newcrom R1

Column Diameter: 3.2 mm
Column Length: 150 mm
Particle Size: 5 µm
Pore Size: 100 A
Column options: dual ended

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Application Analytes:
Dansyl-DL-leucine cyclohexylammonium salt
Dansyl-DL-norleucine cyclohexylammonium salt
Dansyl-DL-norvaline piperidinium salt
Dansyl-DL-phenylalanine cyclohexylammonium salt
Dansyl-DL-valine cyclohexylammonium salt
Dansyl-DL-α-amino-n-butyric acid
Dansyl-L-methionine cyclohexylammonium salt
Dansyl-gamma-aminobutyric cyclohexylammonium salt

Application Detection:
UV Detection
SIELC Technologies usually develops more than one method for each compound. Therefore, this particular method may not be the best available method from our portfolio for your specific application. Before you decide to implement this method in your research, please send us an email to research@sielc.com so we can ensure you get optimal results for your compound/s of interest.