FITC-dextran (MW 4000) is a fluorescein isothiocyanate (FITC) Dextran fluorescent probe (Ex=495 nm; Em=525 nm). FITC-Dextran (MW 4000) can be used as a marker to reveal cell damage caused by heat shock and to study the early and late stages of apoptosis. FITC-Dextran (MW 4000) can also be used for cell permeability studies, such as the determination of blood-brain barrier permeability and the degree of blood-brain barrier disruption.

D-Luciferin (D-(-)-Luciferin) is a luciferase (Luc) substrate that catalyzes the production of typical yellow-green light (560 nm) by bioluminescent insects. D-Luciferin can be used in luciferase assays.

FITC is a green fluorescein derivative. FITC is often used to label biological macromolecules such as antibodies and proteins. FITC can also be used to label nucleic acids. FITC can be used as a fluorescent probe to detect cell viability, cell apoptosis, etc. FITC showed a maximum excitation wavelength of 494 nm and yellow-green fluorescence at a maximum emission wavelength of 520 nm.

GLF16 FA is a fluorescent SBB analogue for rapid detection of senescent cells using flow cytometry and live cell sorting.

FITC-Dextran (MW 60,000-76,000) is a fluorescein isothiocyanate (FITC)-labeled dextran fluorescent probe that is commonly used as a tracer molecule to label and track the action of cells or other biomaterials on semipermeable membranes.

Fluorescein diphosphate tetraammonium is a fluorescent dye and a fluorescent phosphatase substrate that is hydrolyzed into highly fluorescent fluorescein after interaction with phosphatases.

Fluorescein-5-maleimide (N-(5-Fluoresceinyl)maleimide) is a fluorescent thiol-reactive dye (excitation: 494 nm, emission: 519 nm).

Fluorescein Sodium (VST-1001) is a phthalic indicator dye. It is used therapeutically as a diagnostic aid in corneal injuries and corneal trauma.

5(6)-CFDA (5-(6)-Carboxyfluorescein diacetate) is a cell-permeant esterase substrate that can serve as a viability probe that measures both enzymatic activities, which is required to activate its fluorescence, and cell-membrane integrity, which is required for intracellular retention of their fluorescent product.

FITC-Dextran (MW 2,000,000) is a fluorescent dye-based compound that can be used for short cycle durations to outline blood vessels.FITC-Dextran (MW 2,000,000) is involved in the quantification of BBB leakage, and can be used in conjunction with a confocal microscope to visualize blood-brain-barrier leakage.

Fluorescein (Solvent Yellow 94) is a phthalic indicator dye, use as a synthetic fluorescent tracer.

5-CFDA (5-Carboxyfluorescein diacetate)(5-Carboxyfluorescein diacetate) is membrane-permeant. It can be loaded into cells via incubation and hydrolyzed by intracellular esterases to 5-carboxyfluorescein that is used for labeling human intervertebral disk cells in vitro for fluorescence microscopy.

6-Carboxyfluorescein (6-FAM) contains a carboxylic acid functional group, facilitating reactions with primary amines through carbodiimide activation.

5-FAM (5-Carboxyfluorescein) (5-Carboxyfluorescein) contains a carboxylic acid, which can be used to react with primary amines via carbodiimide activation of the carboxylic acid. Fluorescein is the most common fluorescent derivatization reagent for labeling biomolecules. In addition to its excellent fluorescence quantum yield, relatively high absorptivity, and good water solubility, it also has an excitation maximum that closely matches the 488 nm spectral line of the argon-ion laser.

5(6)-FITC (Fluorescein isothiocyanate), or Fluorescein 5(6)-isothiocyanate, is a versatile amine-reactive derivative of fluorescein dye. It serves as an effective label for antibodies and other probes, finding utility in fluorescence microscopy, flow cytometry, and immunofluorescence-based assays such as ELISA and Western blotting.

5(6)-Carboxyfluorescein (5-(and-6)-Carboxyfluorescein mixed isomers) contains a carboxylic acid that can be used to react with primary amines via carbodiimide activation of the carboxylic acid.

6-FAM SE (6-Carboxyfluorescein N-succinimidyl ester) is another isomer of carboxyfluorescein. 6-FAM SE is mainly used for labeling nucleotides and sequencing nucleic acids.

5(6)-Aminofluorescein (5(6)-AFM) is a high-purity, high-quality chemical utilized as a molecular probe and a significant fluorescent agent.

5-FAM SE is a single isomer widely employed in the preparation of various small fluorescent molecules. It is a highly popular green fluorescent reagent used for labeling peptides, proteins, and nucleotides [5-FAM SE].

Fmoc-Lys(5-FITC)-OH is a fluorescent probe used to detect amine labelling of peptides or proteins and can serve as a building block for organic synthesis.

Pentafluorobenzenesulfonyl fluorescein itself no fluorescence, but were in the H2O2 in sulfonyl key fluoresce when hydrolyzed. Pentafluorobenzenesulfonyl fluorescein is often treated as selective H2O2 sensors, can be used for the detection of H2O2 content in the cell.

Thioluciferin is a synthetic compound modeled after firefly luciferin, primarily utilized in bioluminescent reporter systems to monitor oxidation states and thiol/disulfide balance.

APF is an aromatic amino-fluorescein derivative that serves as a highly specific fluorescent probe for detecting highly reactive radicals, exhibiting low intrinsic fluorescence but converting into strongly fluorescent fluorescein upon oxidation by hydroxyl radicals, hypochlorite ions, and selected peroxidase intermediates. APF remain unreactive to nitric oxide and hydrogen peroxide, while with fluorescein displays excitation and emission maxima of 490 nm and 515 nm, respectively, enabling sensitive visualization of oxidative stress in biological systems.

L-Luciferin is a competitive inhibitor and luminescent substrate for firefly luciferase, convertible by the enzyme/cofactor system into D-Luciferin.