Date published: 2026-2-2

1-800-457-3801

SCBT Portrait Logo
Seach Input

5(6)-Carboxynaphthofluorescein (CAS 128724-35-6)

0.0(0)
Write a reviewAsk a question

Alternate Names:
CNF
Application:
CAS Number:
128724-35-6
Molecular Weight:
476.43
Molecular Formula:
C29H16O7
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

QUICK LINKS

5(6)-Carboxynaphthofluorescein is a pH-dependent fluorophore with red fluorescence (EX598/EM668 nm at pH 9) and a high pKa (7.6). The fluorescence shifts to shorter wavelengths (EX512/EM567 nm) at neutral or acidic pH. 5(6)-Carboxynaphthofluorescein is categorized as a naphthofluorescein dye and is recognized for its intense fluorescence, emitting a vibrant green light upon exposure to ultraviolet light.


5(6)-Carboxynaphthofluorescein (CAS 128724-35-6) References

  1. Cross-tolerance to otherwise lethal N-methyl-D-aspartate and oxygen-glucose deprivation in preconditioned cortical cultures.  |  Tauskela, JS., et al. 2001. Neuroscience. 107: 571-84. PMID: 11720781
  2. Colorful methods to detect ion channels and pores: intravesicular chromogenic probes that respond to pH, pM and covalent capture.  |  Butterfield, SM., et al. 2009. Org Biomol Chem. 7: 1784-92. PMID: 19590772
  3. CdSe/ZnS quantum dots conjugated with a fluorescein derivative: a FRET-based pH sensor for physiological alkaline conditions.  |  Kurabayashi, T., et al. 2014. Anal Sci. 30: 545-50. PMID: 24813952
  4. A visually detectable pH responsive zirconium metal-organic framework.  |  Moon, SY., et al. 2016. Chem Commun (Camb). 52: 3438-41. PMID: 26832648
  5. Simultaneous detection of pH value and glucose concentrations for wound monitoring applications.  |  Jankowska, DA., et al. 2017. Biosens Bioelectron. 87: 312-319. PMID: 27573297
  6. Symbiodinium mitigate the combined effects of hypoxia and acidification on a noncalcifying cnidarian.  |  Klein, SG., et al. 2017. Glob Chang Biol. 23: 3690-3703. PMID: 28390081
  7. Development of Fluorescent Assay for Monitoring of Dehalogenase Activity.  |  Nevolova, S., et al. 2019. Biotechnol J. 14: e1800144. PMID: 30052322
  8. High-performance fiber-optic pH microsensors for practical physiological measurements using a dual-emission sensitive dye.  |  Song, A., et al. 1997. Anal Chem. 69: 863-7. PMID: 9068274
  9. Application of fluorescence lifetime imaging microscopy to the investigation of intracellular PDT mechanisms  |  A D Scully, R B Ostler, D Phillips, P O'Neill, K M S Townsend, A W Parker, A J MacRobert. 1997. 5: 9-18.
  10. Conjugation of 5(6)-carboxyfluorescein and 5(6)-carboxynaphthofluorescein with bovine serum albumin and their immobilization for optical pH sensing  |  Sarka Bidmanova a, Antonin Hlavacek b, Jiri Damborsky a c, Zbynek Prokop a c. 2012. Sensors and Actuators B: Chemical. 161: 93-99.
  11. Real-time monitoring of chemical reaction in microdroplet using fluorescence spectroscopy  |  Takeshi Fukuda a, Nayuta Funaki a, Tomokazu Kurabayashi a, Miho Suzuki a, Dong Hyun Yoon b, Asahi Nakahara b, Tetsushi Sekiguchi b, Shuichi Shoji b. 2014. Sensors and Actuators B: Chemical. 203: 536-542.
  12. An optical biosensor based on a multiarray of enzymes for monitoring a large set of chemical classes in milk  |  Silvia Silletti a, Giuseppe Rodio b, Gianni Pezzotti b, Mehmet Turemis b, Roberto Dragone c, Chiara Frazzoli d, Maria Teresa Giardi a. 2015. Sensors and Actuators B: Chemical. 215: 607-617.
  13. Influence of the photopolymerization matrix on the indicator response of optical fiber pH sensors  |  Kwang Jun Lee a b, Patrick K. Capon a b, Heike Ebendorff-Heidepriem a b, Emerson Keenan c d, Fiona Brownfoot d 1, Erik P. Schartner a b 1. 2023. Sensors and Actuators B: Chemical. 376.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

5(6)-Carboxynaphthofluorescein, 25 mg

sc-210424
25 mg
$104.00