5(6)-Carboxynaphthofluorescein, succinimidyl ester

Product ID: M4383

Unit SizePriceQuantity 
25 mg

Availability: In stock


Amine-reactive fluorescent probe for peptide or protein conjugation.

Amine-reactive long-wavelength fluorescent probe for use in peptide or protein conjugations. The dye has a fluorescence emission at about 670 nm, but the fluorescence is pH dependent (pKa of 7.6) with optimal fluorescence above the pKa value.

Technical Data
SKU M4383
CAS Number 150347-58-3
Unit Size 25 mg
Alternative Names CNF, SE
Absorption 602
Extinction 48000
Detection Method Fluorescence
Molecular Formula C33H19NO9
Molecular Weight 573.51
Soluble In DMSO, DMF
Storage Conditions -20C, Protect from Light, Dessicated

References and Citations


  • Noguchi T, Mabuchi I, (2002) "Localized calcium signals along the cleavage furrow of the Xenopus egg are not involved in cytokinesis." Mol Biol Cell 13: 1263-73
  • Smeltzer CC, Cannon MJ, Pinson PR, Munger JD Jr, West FG, Grissom CB. (2001) "Synthesis and characterization of fluorescent cobalamin (CobalaFluor) derivatives for imaging." Org Lett 3, 799-801
  • Noble JE, Ganju P, Cass AE. (2003) "Fluorescent peptide probes for high-throughput measurement of protein phosphatases. Anal Chem. 75(9):2042-2047.
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