All Dyes

Cat. No.

A44349

CAS No.

57490-73-0

2,3-Di(furan-2-yl)quinoxaline

2,3-Di(furan-2-yl)quinoxaline is a fluorescent dye characterized by its blue fluorescence emission. This compound is cell-permeable and demonstrates high brightness, making it effective at micromolar concentrations (1.5 μM). It is ideal for various biological applications, including live-cell imaging and fluorescence microscopy, facilitating the visualization of cellular processes with clarity.

Cat. No.

A44350

CAS No.

1262391-07-0

NFQ1

NFQ1 is a non-fluorescent quencher with an absorption wavelength of 474 nm, utilized in the innovative One Sample Fluorescence Resonance Energy Transfer (OS-FRET) method. This reagent facilitates the measurement of unquenched donor emission within the same sample. NFQ1's broad absorption spectrum allows it to serve as an effective dark acceptor for various donor fluorophores, making it a valuable tool in fluorescence applications and research.

Cat. No.

A44351

CAS No.

40314-06-5

4-Methylphthalimide

4-Methylphthalimide is a fluorescent dye known for its ability to stain biological tissues and cells. Its strong fluorescent properties make it valuable for various imaging applications in research, particularly in studying cellular structures and processes. This compound plays a key role in fluorescence microscopy and is frequently utilized in assays to visualize specific biomolecules in different biological contexts.

Cat. No.

A44352

CAS No.

84806-27-9

7-Fluorobenzofurazan-4-sulfonic acid ammonium

7-Fluorobenzofurazan-4-sulfonic acid ammonium is a fluorescent label targeting thiol-disulfide groups. This compound exhibits strong fluorescence, making it suitable for the sensitive detection of dissolved thiols, such as cysteine and glutathione. It is widely utilized in biochemical research for studying redox status and thiol-related processes in biological samples.

Cat. No.

A44355

CAS No.

1811539-32-8

Janelia Fluor® 549, SE

Synonyms: JF549; SE; NHS

Janelia Fluor® 549, SE is a fluorescent dye with a maximum absorption wavelength of 549 nm and a maximum emission wavelength of 571 nm. This reagent is ideal for a variety of biological imaging applications, providing high signal clarity and stability. Its unique properties make it suitable for use in microscopy and flow cytometry, facilitating effective visualization of cellular structures and processes.

Cat. No.

A44356

CAS No.

150408-83-6

NHS-5(6)Carboxyrhodamine

NHS-5(6)Carboxyrhodamine is a fluorescent dye that facilitates precise labeling of proteins in various biological assays. This reagent is ideal for fluorescence microscopy and flow cytometry applications, enabling researchers to achieve accurate dye-to-protein ratios while maintaining native biological conditions. Its exceptional brightness and stability make it a valuable tool for visualizing and tracking proteins in a range of experimental setups.

Cat. No.

A44357

CAS No.

680622-71-3

PYBG

PYBG is a fluorescent dyes coupling agent that facilitates the conjugation of various fluorescent dyes through 'Click chemistry' and Sonogashira coupling reactions. As a click chemistry reagent, it contains an alkyne group that readily participates in copper-catalyzed azide-alkyne cycloaddition (CuAAc) with azide-containing molecules. This versatility makes PYBG an essential tool for labeling and imaging applications in chemical and biological research.

Cat. No.

A44358

CAS No.

2127150-20-1

Janelia Fluor® 669, SE

Synonyms: JF669; SE; NHS

Janelia Fluor® 669, SE is a red fluorescent dye designed for use in biological imaging applications. This dye can be directly conjugated to thiol-containing HaloTag ligands under mild conditions (DIEA, DMF), enabling efficient formation of a JF669-HaloTag conjugate through a single-step reaction. With an excitation wavelength of 669 nm and an emission wavelength of 682 nm, Janelia Fluor® 669, SE is ideal for various research applications in cellular and molecular biology.

Cat. No.

A44359

CAS No.

184351-56-2

Potassium 2,3,3-trimethylindole-5-sulfonate

Synonyms: 2,3,3-Trimethylindolenine-5-sulfonic acid potassium salt

Potassium 2,3,3-trimethylindole-5-sulfonate serves as a key intermediate in the synthesis of various dyes, featuring an indole structure with a sulfonate group. This compound is advantageous for coupling reactions, facilitating the attachment to peptides, proteins, nucleic acids, RNA, DNA, carbohydrates, polymers, and small molecules. Its versatility makes it essential for applications in biochemical research and the development of fluorescent labels.

Cat. No.

A44368

CAS No.

1308789-62-9

BG-PEG-NH2

Synonyms: SNAP-PEG-NH2

BG-PEG-NH2 is an amine-terminated phenylguanine derivative featuring a polyethylene glycol (PEG) chain, designed as a versatile fluorescent probe. This compound serves as a critical building block for the synthesis of SNAP-tag labeled probes, facilitating the labeling of intracellular and cell surface proteins. Its solubility in aqueous and buffer solutions makes BG-PEG-NH2 highly suitable for various coupling reactions, enhancing the study of protein dynamics and interactions in live cell environments.

Cat. No.

A44369

CAS No.

2804069-31-4

Arg-Flipper 34

Arg-Flipper 34 is a fluorescent dye designed for imaging membrane tension in live cells. This small molecule probe effectively assesses the mechanical dynamics associated with early endocytosis, providing valuable insights into cellular processes. Its application is essential for studies focused on membrane mechanics and cellular uptake mechanisms.

Cat. No.

A44370

CAS No.

137350-66-4

MMBC

MMBC is a sulfhydryl-sensitive fluorophore that exhibits enhanced fluorescence in the presence of thiol groups. This property makes it a valuable tool for studying redox biology and monitoring changes in cellular environments. Its applications include the detection of reactive sulfhydryl groups in proteins and the visualization of oxidative stress in live cells, facilitating advanced research in biochemistry and molecular biology.

Cat. No.

A44371

CAS No.

1188292-56-9

Alkyne MegaStokes dye 608

Alkyne MegaStokes dye 608 is a versatile fluorescent dye that enables effective labeling and visualization of biological samples. This dye is crucial for observing cell structures, tracking biomolecules, and evaluating various cellular functions. It can distinguish cell types, detect biomolecules, and study tissue pathology, making it valuable for both basic scientific research and clinical diagnostics. Additionally, Alkyne MegaStokes dye 608 finds applications in functional textile processing, food pigments, and dye-sensitized solar cells.

Cat. No.

A44372

CAS No.

1246853-79-1

Alkyne MegaStokes dye 735

Alkyne MegaStokes dye 735 is a multifunctional dye that serves as a critical tool for biological experiments. It facilitates the observation and analysis of cellular structures, tracking of biomolecules, and evaluation of cell functions. This dye is valuable for distinguishing cell types, detecting biomolecules, studying tissue pathology, and monitoring microorganisms. Its diverse applications extend from fundamental scientific research to clinical diagnostics and emerging fields such as functional textiles and dye-sensitized solar cells.

Cat. No.

A44373

CAS No.

1246853-82-6

Azide MegaStokes dye 735

Azide MegaStokes dye 735 is a multifunctional fluorescent dye utilized in various biological experiments. It enables researchers to visualize and analyze cellular structures, track biomolecules, evaluate cellular functions, and differentiate between cell types. This dye is valuable for studying tissue pathology and monitoring microorganisms, making it suitable for both fundamental scientific research and clinical diagnostics. Additionally, its versatility extends to applications in traditional textile dyeing as well as in innovative fields like food pigments and dye-sensitized solar cells.

Cat. No.

A44374

CAS No.

1246853-81-5

Azide MegaStokes dye 673

Azide MegaStokes dye 673 is a multifunctional fluorescent dye utilized primarily for bioimaging applications. This dye is valuable in the visualization and analysis of cellular structures, biomolecule tracking, and cell function evaluation. Its diverse applications extend from fundamental scientific research to clinical diagnostics, assisting in the detection of various biomolecules and the examination of tissue pathology. Additionally, Azide MegaStokes dye 673 can be employed in innovative fields such as functional textiles, food coloration, and dye-sensitized solar cells.

Cat. No.

A44375

CAS No.

1807521-02-3

PEP azide

PEP azide is a multifunctional dye that serves as a vital tool in biological research. This compound enables researchers to observe and analyze cellular structures, trace biomolecules, assess cellular functions, differentiate cell types, detect specific biomolecules, and investigate tissue pathology. Its applications extend across various domains, from fundamental scientific research to clinical diagnostics, and it also finds use in traditional industries such as textile dyeing and emerging areas like functional textiles and dye-sensitized solar cells.

Cat. No.

A44376

CAS No.

75168-16-0

10-Octadecylacridine orange bromide

10-Octadecylacridine orange bromide is a multifunctional dye primarily used for visualizing biological specimens. Its key biological activities include facilitating the observation and analysis of cellular structures, tracking biomolecules, and evaluating cellular functions. This dye is essential for distinguishing cell types, detecting biomolecules, studying tissue pathology, and monitoring microorganisms, making it a valuable tool in both basic research and clinical diagnostics. Additionally, it sees applications in fields like functional textile processing and dye-sensitized solar cells.

Cat. No.

A44377

CAS No.

1112977-84-0

DAz-1

DAz-1 is a sulfonic acid probe designed for in vivo detection of sulfonic acid-modified proteins within living cells. This cell-permeable reagent enables direct visualization and quantification of post-translational modifications, facilitating studies on protein dynamics and cellular signaling pathways. It has valuable applications in proteomics and cellular biology research.

Cat. No.

A44379

CAS No.

2055138-90-2

Trisulfo-Cy5-Alkyne

Trisulfo-Cy5-Alkyne is a versatile click chemistry reagent featuring an alkyne group suitable for copper-catalyzed reactions. This compound exhibits near-infrared (NIR) fluorescence, making it ideal for biological imaging applications. Trisulfo-Cy5-Alkyne is primarily used in the conjugation of biomolecules, facilitating studies in cellular localization and molecular interactions within complex biological systems.

Cat. No.

A44380

CAS No.

2055046-12-1

Trisulfo-Cy5.5-Alkyne

Trisulfo-Cy5.5-Alkyne is a click chemistry reagent featuring an azide functional group, enabling its use in copper-catalyzed click reactions. This compound exhibits near-infrared (NIR) fluorescence, making it a valuable tool for various biological imaging applications. It is particularly useful for labeling biomolecules in live-cell studies, facilitating the visualization of cellular processes and interactions.

Cat. No.

A44381

CAS No.

2055138-86-6

Sulfo-Cy3-Tetrazine

Sulfo-Cy3-Tetrazine is a water-soluble cyanine fluorescence dye that features a tetrazine group for click chemistry applications. It functions through an inverse electron demand [4+2] cycloaddition reaction with trans-cyclooctene or other strained olefins, facilitating specific labeling and detection of biomolecules. This reagent is ideal for various applications in fluorescence microscopy, imaging, and other biological assays requiring precise and efficient molecular tagging.

Cat. No.

A44382

CAS No.

1801924-46-8

Sulfo-Cy5-Methyltetrazine

Sulfo-Cy5-Methyltetrazine is a click chemistry reagent characterized by a methyltetrazine functionality. This compound serves as a fluorophore linker for trans-cyclooctene-based labeling applications, facilitating the visual tracking of biomolecules. It exhibits excellent stability at physiological pH and demonstrates high reactivity towards cyclooctene, making it suitable for a variety of biological and biochemical research applications, including target identification and protein labeling.

Cat. No.

A44383

CAS No.

1801924-47-9

Sulfo-Cy3-Methyltetrazine

Sulfo-Cy3-Methyltetrazine is a click chemistry reagent characterized by its methyltetrazine functionality and a water-soluble fluorescent dye. It exhibits excellent stability under physiological pH conditions, making it suitable for various biological applications. This reagent effectively couples with trans-cyclooctene and shows a high reactivity towards cyclooctene, enabling precise labeling and detection in live-cell imaging and other bioorthogonal applications.

Cat. No.

A44385

CAS No.

2055138-89-9

Sulfo-cyanine3 azide sodium

Sulfo-cyanine3 azide sodium is a water-soluble fluorescent dye with excitation/emission maxima at 548/563 nm. This azide cyanine probe is pivotal in various applications, including the synthesis of fused tricyclic heterocycles and the development of immunostimulatory agents. It features an azide functionality that allows for copper-catalyzed azide-alkyne cycloaddition (CuAAc) as well as ring strain-promoted alkyne-azide cycloaddition (SPAAC) with alkyne-containing molecules, such as those with DBCO or BCN groups.