Skip to Content
Merck
All Photos(1)

Key Documents

39225

Sigma-Aldrich

5-(Dimethylamino)-1-naphthalenesulfonamide

for fluorescence, ≥98.5% (TLC)

Synonym(s):

DNSA, Dansyl amide

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
(CH3)2NC10H6SO2NH2
CAS Number:
Molecular Weight:
250.32
Beilstein:
2217203
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:

grade

for fluorescence

Assay

≥98.5% (TLC)

form

solid

mp

218-221 °C (lit.)

SMILES string

CN(C)c1cccc2c(cccc12)S(N)(=O)=O

InChI

1S/C12H14N2O2S/c1-14(2)11-7-3-6-10-9(11)5-4-8-12(10)17(13,15)16/h3-8H,1-2H3,(H2,13,15,16)

InChI key

TYNBFJJKZPTRKS-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Other Notes

Active-site probe for carbonic anhydrase

replaced by

Product No.
Description
Pricing

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

T. Kararli et al.
Journal of Protein Chemistry, 3, 357-357 (1984)
R W Henkens et al.
Biochemistry, 21(23), 5918-5923 (1982-11-09)
Particularly stable elements of noncovalent structure in bovine carbonic anhydrase have been detected and studied. These are present in a highly populated intermediate state formed during denaturation of the enzyme with guanidinium chloride. The intermediate has been detected by analysis
Julia Guy et al.
Journal of the American Chemical Society, 129(39), 11969-11977 (2007-09-14)
Dimaleimide fluorogens are being developed for application to fluorescent protein labeling. In this method, fluorophores bearing two maleimide quenching groups do not fluoresce until both maleimide groups have undergone thiol addition reactions with the Cys residues of the target protein
Yongqian Xu et al.
Chemical communications (Cambridge, England), 48(92), 11313-11315 (2012-10-20)
A novel squaraine dye (SQ) exhibits improved fluorescence response toward protein detection by incorporation of a zwitterionic structure. With the aid of a dansylamide (DNSA) substituent, the new probe (DNSA-SQ) exhibits remarkable selectivity in binding to site I (a specific
Jiangxiao Sun et al.
Analytical chemistry, 79(2), 416-425 (2007-01-16)
The interaction between the bovine pancrease trypsin (Tryp) and its competitive inhibitor benzamidine (1), in solution and the gas phase, is investigated using nanoflow electrospray ionization (nanoES) and Fourier transform ion cyclotron resonance mass spectrometry. In a recent study (Clark

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service