5(6)-Carboxynaphthofluorescein CAS: 128724-35-6
MF: C29H16O7
MW: 476.43
A pH-indicator.

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

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Alternate Names: CNF
Application: 5(6)-Carboxynaphthofluorescein is a pH-indicator
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 (including water content).
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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.

Physical State :
Solid
Storage :
Store at room temperature
Fluoresence :
&lambdaex 512 nm; &lambdaem 567 nm (acid/neutral)
&lambdaex 598 nm; &lambdaem 668 nm (basic)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
PubChem CID :
SMILES :
C1=CC2=C(C3=C(C4=C(C=C3)C=C(C=C4)O)OC2=C5C1=CC(=O)C=C5)C6=C(C=CC(=C6)C(=O)O)C(=O)O

Download SDS (MSDS)

Certificate of Analysis

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Hello, Do you have this product in stock? I am interested in 4 x 25mg units. Can you ship this product to Australia? Thanks, Jasper.

Asked by: JasperCadusch
Thank you for your question. Please contact one of our authorized distributors for information about current product availability and shipping lead times.
Answered by: Technical Support
Date published: 2019-01-26

Send quotes for 100, 200, 500 mg 5(6)-Carboxynaphthofluorescein (CAS 128724-35-6)

Asked by: avpopov
Thank you for your question. The product is currently in stock. We offer over night shipment to many locations. Please contact our Customer Service department to place a product order or to ask for a sales quotation inlcuding delivery time.
Answered by: Technical Support
Date published: 2018-11-26
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