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Merck
CN

39225

Sigma-Aldrich

5-(Dimethylamino)-1-naphthalenesulfonamide

≥98.5% (TLC)

Synonym(s):

DNSA, Dansyl amide

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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:
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Assay

≥98.5% (TLC)

form

solid

mp

218-221 °C (lit.)

suitability

suitable for fluorescence

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

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Other Notes

Active-site probe for carbonic anhydrase

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

Regulatory Information

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T. Kararli et al.
Journal of Protein Chemistry, 3, 357-357 (1984)
Konstantinos Kavallieratos et al.
Journal of the American Chemical Society, 127(18), 6514-6515 (2005-05-05)
The (bis)dansylated sulfonamide 1,2-C6H4(NHSO2C10H6-5-N(CH3)2)2 (1) extracted Pb(II) selectively from water into 1,2-dichloroethane via an ion-exchange mechanism and showed fluorescence quenching upon Pb(II) extraction. The distribution ratios for metal extraction (determined by ICP-MS) for Pb(II) were 133-1410 times higher than those
N Tanaka et al.
Biochimica et biophysica acta, 1338(1), 13-20 (1997-03-07)
The structure of human serum albumin (HSA) in the pressure-induced denatured state was investigated by fluorescence spectroscopy. HSA undergoes a conformational change in the pressure range from 0.1 MPa to 400 MPa, at 25 degrees C. Several ligands bind to
Yasmina S N Day et al.
Protein science : a publication of the Protein Society, 11(5), 1017-1025 (2002-04-23)
The binding interactions of small molecules with carbonic anhydrase II were used as model systems to compare the reaction constants determined from surface- and solution-based biophysical methods. Interaction data were collected for two arylsulfonamide compounds, 4-carboxybenzenesulfonamide (CBS) and 5-dimethyl-amino-1-naphthalene-sulfonamide (DNSA)
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

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