5(6)-carboxynaphthofluorescein | CAS 128724-35-6

Catalog Number	A15-0009
Category	pH Indicators
Molecular Formula	C29H16O7
Molecular Weight	476.44

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Product Introduction

5(6)-carboxynaphthofluorescein is a pH indicator with red fluorescence.

Chemical Information
Application

Synonyms

3,11-Dihydroxy-3'-oxospiro[7H-dibenzo[c,h]xanthene-7,1'(3'H)-isobenzofuran]-ar'-carboxylic Acid; Carboxynaphthofluorescein

5(6)-Carboxynaphthofluorescein is a fluorescent dye with versatile applications in biological research. Here are some key applications of 5(6)-carboxynaphthofluorescein:

Cell Imaging: 5(6)-Carboxynaphthofluorescein is frequently used in cell imaging to stain and visualize cellular structures. It can be conjugated to various biomolecules, such as antibodies or proteins, to specifically label cellular targets. This enables researchers to study cellular localization, dynamics, and interactions in live or fixed cells under fluorescence microscopy.

Intracellular pH Measurement: This dye is also employed to measure intracellular pH due to its pH-sensitive fluorescence properties. When introduced into cells, the fluorescence intensity of 5(6)-carboxynaphthofluorescein changes with the pH, allowing researchers to monitor pH fluctuations in real-time. This application is crucial for understanding cellular metabolism, signaling, and stress responses.

Flow Cytometry: 5(6)-Carboxynaphthofluorescein is utilized in flow cytometry for the analysis of cell populations. It can be used to label specific cell types or track cellular changes such as proliferation or apoptosis. The fluorescence emitted by the dye helps in identifying and quantifying different cell subsets, providing insights into cellular heterogeneity and function.

Fluorescence-Based Assays: This fluorescent dye is integral in various biochemical and molecular biology assays. It can be used as a reporter molecule in enzyme activity assays, protein-protein interaction studies, and nucleic acid detection. The high sensitivity and specificity of 5(6)-carboxynaphthofluorescein fluorescence facilitate accurate and reliable measurements in these assays.