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Merck
CN

04076

6-(p-Toluidino)-2-naphthalenesulfonyl chloride

suitable for fluorescence, ≥98.0% (HPLC)

Synonym(s):

2,6-TNS-Cl, 6-(4-Methylanilino)naphthalene-2-sulfonylchloride, 6-[(4-methylphenyl)amino]-2-naphthalenesulfonylchloride

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About This Item

Empirical Formula (Hill Notation):
C17H14ClNO2S
CAS Number:
62778-24-9
Molecular Weight:
331.82
NACRES:
NA.32
PubChem Substance ID:
329747873
UNSPSC Code:
12352116
MDL number:
MFCD00037749
Beilstein/REAXYS Number:
6521872

Key Documents

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SMILES string

Cc1ccc(Nc2ccc3cc(ccc3c2)S(Cl)(=O)=O)cc1, Cc1ccc(Nc2ccc3cc(ccc3c2)S(Cl)(=O)=O)cc1

InChI

1S/C17H14ClNO2S/c1-12-2-6-15(7-3-12)19-16-8-4-14-11-17(22(18,20)21)9-5-13(14)10-16/h2-11,19H,1H3

InChI key

NONZPGMJWHNDKP-UHFFFAOYSA-N

assay

≥98.0% (HPLC)

solubility

DMF: soluble, acetonitrile: soluble

fluorescence

λex 381 nm in methanol

suitability

suitable for fluorescence

storage temp.

2-8°C

Quality Level

100

Application

6-(p-Toluidino)-2-naphthalenesulfonyl chloride is a fluorescent, hydrophobic probe utilized for labeling peptides to monitor conformational changes of a molecular assembly by measuring alterations in fluorescence intensity .

Analysis Note

Emmax: none
do not dissolve in DMSO

Other Notes

Probe for determining the polarity in biological matrices

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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J.R. Lakowicz
Principles of Fluorescence Spectroscopy (1983)

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