N-(Aminoethyl)-5-naphthylamine-1-sulfonic Acid, Sodium Salt (1,5-EDANS, Sodium Salt)

Catalog No : USB-A1377-75
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Product name N-(Aminoethyl)-5-naphthylamine-1-sulfonic Acid, Sodium Salt (1,5-EDANS, Sodium Salt)
Catalog No USB-A1377-75
Supplier’s Catalog No A1377-75
Supplier US Biologicals
Source antigen Synthetic
Reactivity
Cross reactivity
Applications
Molecular weight 288.3
Storage -20°C
Other names
Grade
Purity
Form Light yellow powder
Reactivity life 12 months
Note For reserch purpose only
Description A fluorescent reagent with a terminal amine for derivatizaton. 1,5-EDANS has similar spectral properties to the naphthalenesulfonic acids. 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. Ex (nm): 335 Em (nm): 493 Melting Point: 320-322°C Solubility: DMSO, Warm Water Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.