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EDANS sodium salt [5-((2-Aminoethyl)aminonaphthalene-1-sulfonic acid, sodium salt] *CAS 100900-07-0*

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Physical properties
Molecular weight288.30
SolventDMSO
Spectral properties
Correction Factor (280 nm)0.107
Extinction coefficient (cm -1 M -1)5900
Excitation (nm)336
Emission (nm)455
Storage, safety and handling
H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
UNSPSC12171501

OverviewpdfSDSpdfProtocol


CAS
100900-07-0
Molecular weight
288.30
Correction Factor (280 nm)
0.107
Extinction coefficient (cm -1 M -1)
5900
Excitation (nm)
336
Emission (nm)
455
EDANS sodium salt is much more water-soluble than EDANS acid. It is one of the most popular donors for developing FRET-based nucleic acid probes (such as Molecular Beacons) and protease substrates. EDANS is often paired with DABCYL or DABSYL in FRET-based probes. Its fluorescence is environment-sensitive.

Calculators


Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of EDANS sodium salt [5-((2-Aminoethyl)aminonaphthalene-1-sulfonic acid, sodium salt] *CAS 100900-07-0* to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

0.1 mg0.5 mg1 mg5 mg10 mg
1 mM346.861 µL1.734 mL3.469 mL17.343 mL34.686 mL
5 mM69.372 µL346.861 µL693.722 µL3.469 mL6.937 mL
10 mM34.686 µL173.43 µL346.861 µL1.734 mL3.469 mL

Molarity calculator

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Spectrum


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Spectral properties

Correction Factor (280 nm)0.107
Extinction coefficient (cm -1 M -1)5900
Excitation (nm)336
Emission (nm)455

Product Family


NameExcitation (nm)Emission (nm)Extinction coefficient (cm -1 M -1)Quantum yield
Resorufin, sodium salt *CAS 34994-50-8*5715846500010.751
Resazurin, sodium salt *CAS 62758-13-8*571584--

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References


View all 54 references: Citation Explorer
The beta4-beta8 Groove Is an ATP-interactive Site in the alpha Crystallin Core Domain of the Small Heat Shock Protein, Human alphaB Crystallin
Authors: Ghosh JG, Houck SA, Doneanu CE, Clark JI.
Journal: J Mol Biol (2006): 364
Recombinant expression and partial characterization of an active soluble histo-aspartic protease from Plasmodium falciparum
Authors: Xiao H, Sinkovits AF, Bryksa BC, Ogawa M, Yada RY.
Journal: Protein Expr Purif (2006): 88
Internally quenched peptides for the study of lysostaphin: An antimicrobial protease that kills Staphylococcus aureus
Authors: Warfield R, Bardelang P, Saunders H, Chan WC, Penfold C, James R, Thomas NR.
Journal: Org Biomol Chem (2006): 3626
A quenched fluorescent dipeptide for assaying dispase- and thermolysin-like proteases
Authors: Weimer S, Oertel K, Fuchsbauer HL.
Journal: Anal Biochem (2006): 110
Characterization and inhibition of SARS-coronavirus main protease
Authors: Liang PH., undefined
Journal: Curr Top Med Chem (2006): 361
Fluorogenic peptide substrates containing benzoxazol-5-yl-alanine derivatives for kinetic assay of cysteine proteases
Authors: Szabelski M, Rogiewicz M, Wiczk W.
Journal: Anal Biochem (2005): 20
ADAM33 enzyme properties and substrate specificity
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Journal: Biochemistry (2005): 4247
Chemical synthesis of triple-labelled three-helix bundle binding proteins for specific fluorescent detection of unlabelled protein
Authors: Engfeldt T, Renberg B, Brumer H, Nygren PA, Karlstrom AE.
Journal: Chembiochem (2005): 1043
Enzymatic activity characterization of SARS coronavirus 3C-like protease by fluorescence resonance energy transfer technique
Authors: Chen S, Chen LL, Luo HB, Sun T, Chen J, Ye F, Cai JH, Shen JK, Shen X, Jiang HL.
Journal: Acta Pharmacol Sin (2005): 99
On the sequential determinants of calpain cleavage
Authors: Tompa P, Buzder-Lantos P, Tantos A, Farkas A, Szilagyi A, Banoczi Z, Hudecz F, Friedrich P.
Journal: J Biol Chem (2004): 20775