Date published: 2025-12-5

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Fluorescein dibutyrate (CAS 7298-65-9)

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Alternate Names:
(6′-butanoyloxy-3-oxospiro[2-benzofuran-1,9′-xanthene]-3′-yl) butanoate
Application:
Fluorescein dibutyrate is a fluorogenic substrate for esterase and lipase
CAS Number:
7298-65-9
Purity:
≥98%
Molecular Weight:
472.49
Molecular Formula:
C28H24O7
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Fluorescein dibutyrate, also known as FDB, is a fluorescent dye widely utilized in laboratory experiments due to its ability to fluoresce under specific light wavelengths. Derived from fluorescein, an organic compound with various research applications, Fluorescein dibutyrate is a stable and easily synthesized compound with broad usage in scientific research. Its versatility allows for the study of cellular processes, including membrane transport, protein-protein interactions, and enzyme kinetics. Furthermore, Fluorescein dibutyrate facilitates investigations into the structure and function of proteins and nucleic acids, as well as the interactions between cells and their environment. As a fluorescent dye, Fluorescein dibutyrate absorbs light of a particular wavelength and emits light of a longer wavelength due to its fluorophore content. When illuminated with appropriate light, Fluorescein dibutyrate emits detectable light that can be observed using a fluorescence microscope. In addition to its fluorescence properties, Fluorescein dibutyrate exhibits biochemical and physiological effects. It can inhibit the activity of specific enzymes, such as DNA polymerase, while enhancing the activity of others, like reverse transcriptase. Fluorescein dibutyrate is also capable of binding to specific proteins and nucleic acids, enabling investigations into their structure and function. Moreover, Fluorescein dibutyrate has been found to influence cell membrane permeability. Its range of effects makes it useful in scientific research.


Fluorescein dibutyrate (CAS 7298-65-9) References

  1. Quantitative fluorometric determination of pancreatic lipase in pharmaceuticals.  |  Wagle, SS. and Houe, DG. 1973. J Pharm Sci. 62: 990-3. PMID: 4712639

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Fluorescein dibutyrate, 5 g

sc-396618
5 g
$168.00

Fluorescein dibutyrate, 25 g

sc-396618A
25 g
$617.00