Date published: 2026-5-7

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Fluoresceins

Santa Cruz Biotechnology now offers a broad range of fluoresceins for use in various applications. Fluoresceins are a group of synthetic organic compounds characterized by their brilliant fluorescence under UV light, making them invaluable tools in scientific research. They are widely used as fluorescent dyes in various fields, including molecular biology, biochemistry, and environmental science. In laboratory settings, fluoresceins serve as tracers and indicators in techniques like fluorescence microscopy, flow cytometry, and fluorescence-based assays. Their ability to attach to biological molecules without disrupting their function allows researchers to study complex biological processes with high sensitivity and specificity. Moreover, fluoresceins play a critical role in studying cellular and molecular dynamics, enabling scientists to visualize and track the movement and interactions of proteins, nucleic acids, and other biomolecules within living cells. This versatility has made fluoresceins a cornerstone in the development of new analytical methods and technologies, advancing our understanding of fundamental biological mechanisms. View detailed information on our available fluoresceins by clicking on the product name.

Items 61 to 70 of 114 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

6-Carboxy-fluorescein diacetate N-succinimidyl ester

150206-15-8sc-217319
5 mg
$126.00
(0)

6-Carboxy-fluorescein diacetate N-succinimidyl ester is a versatile fluorescent probe known for its ability to undergo hydrolysis, releasing a carboxyfluorescein moiety that exhibits intense fluorescence. This compound features a succinimidyl ester group, facilitating efficient conjugation to amine-containing biomolecules. Its fluorescence is pH-sensitive, allowing for dynamic tracking of cellular processes. The compound's stability and reactivity make it ideal for studying complex biological systems.

Anthrylmethyl okadaate

157606-35-4sc-291905
sc-291905A
10 µg
25 µg
$120.00
$317.00
(0)

Anthrylmethyl okadaate is a distinctive fluorescent compound characterized by its unique anthracene core, which enhances its photophysical properties. This compound exhibits strong π-π stacking interactions, leading to increased fluorescence intensity in specific environments. Its reactivity as an acid halide allows for selective acylation reactions, enabling the formation of stable conjugates with nucleophiles. Additionally, its fluorescence is influenced by solvent polarity, making it suitable for probing microenvironments.

Fluorescein 6-Maleimide

161598-40-9sc-218502
sc-218502A
25 mg
250 mg
$400.00
$2000.00
(0)

Fluorescein 6-Maleimide is a specialized fluorescent dye featuring a maleimide group that facilitates selective conjugation with thiol-containing biomolecules. This compound exhibits remarkable photostability and a high quantum yield, making it ideal for sensitive detection applications. Its unique reactivity allows for rapid and efficient labeling, while the fluorescence emission is significantly affected by the local environment, providing insights into molecular interactions and dynamics.

Fluorescein-O′-acetic acid

233759-98-3sc-215045
sc-215045A
5 mg
25 mg
$107.00
$398.00
(0)

Fluorescein-O'-acetic acid is a distinctive fluorescent compound characterized by its carboxylic acid functionality, which enhances solubility in aqueous environments. This property allows for effective interaction with various biological substrates. The compound exhibits strong fluorescence under UV light, with emission spectra sensitive to pH changes, enabling the study of microenvironmental shifts. Its reactivity as an acid halide facilitates esterification and amide formation, broadening its utility in chemical synthesis.

N-Butylfluorescein

335193-91-4sc-212164
10 mg
$306.00
(0)

N-Butylfluorescein is a vibrant fluorescent dye known for its unique hydrophobic butyl group, which influences its solubility and partitioning in organic solvents. This compound exhibits remarkable photostability and a high quantum yield, making it suitable for various fluorescence applications. Its distinct electronic structure allows for specific interactions with metal ions, leading to potential shifts in fluorescence intensity. Additionally, N-Butylfluorescein's reactivity can facilitate conjugation reactions, expanding its versatility in chemical research.

2-[(5-Fluoresceinyl)aminocarbonyl]ethyl Mercaptan

887355-27-3sc-213702
1 mg
$430.00
(0)

2-[(5-Fluoresceinyl)aminocarbonyl]ethyl Mercaptan is a distinctive fluorescent compound characterized by its thiol group, which enhances its reactivity and ability to form disulfide bonds. This compound exhibits strong fluorescence due to its conjugated system, allowing for effective energy transfer in various environments. Its unique structure enables selective interactions with biomolecules, influencing reaction kinetics and enhancing detection sensitivity in analytical applications.

t-Boc-MTSEA-Fluorescein

1042688-20-9sc-207818
10 mg
$360.00
(0)

t-Boc-MTSEA-Fluorescein is a specialized fluorescent probe featuring a t-Boc protecting group that modulates its reactivity and solubility. This compound exhibits remarkable photostability and a high quantum yield, making it suitable for sensitive detection applications. Its unique structure facilitates specific interactions with target molecules, allowing for precise monitoring of conformational changes and dynamic processes in complex biological systems. The compound's fluorescence properties are influenced by environmental factors, enhancing its utility in various experimental setups.

6-Carboxy-2′,7′-dichlorofluorescein-3′,6′-diacetatesuccinimidyl Ester

sc-217318
25 mg
$430.00
(0)

6-Carboxy-2',7'-dichlorofluorescein-3',6'-diacetatesuccinimidyl Ester is a versatile fluorescent dye characterized by its strong absorbance and emission properties. This compound features a succinimidyl ester moiety, enabling efficient conjugation to amine-containing biomolecules. Its unique dichlorofluorescein structure enhances photophysical stability, while the carboxyl groups facilitate pH-dependent fluorescence modulation. This allows for dynamic tracking of molecular interactions and environmental changes in diverse experimental contexts.

Fluorescein-5-EX N-hydroxysuccinimide ester

sc-300695
10 mg
$231.00
(0)

Fluorescein-5-EX N-hydroxysuccinimide ester is a highly reactive fluorescent probe known for its exceptional brightness and photostability. The N-hydroxysuccinimide ester group allows for rapid and selective coupling with primary amines, promoting efficient labeling of biomolecules. Its unique fluorescein backbone exhibits a pronounced Stokes shift, enhancing signal clarity in complex mixtures. Additionally, the compound's solubility in aqueous environments supports versatile applications in various biochemical assays.

O-Methyl-O-(N-Butylfluorescein)phosphate

887406-94-2sc-219445
10 mg
$290.00
(0)

O-Methyl-O-(N-Butylfluorescein)phosphate is a distinctive fluorescent compound known for its robust photophysical properties. The presence of the phosphate group enhances solubility and facilitates specific interactions with biomolecules, promoting effective energy transfer. Its unique structure allows for rapid reaction kinetics, making it suitable for dynamic studies. Additionally, the compound exhibits a pronounced Stokes shift, which aids in minimizing background fluorescence and improving signal clarity in various applications.