All Dyes

Cat. No.

A44321

CAS No.

1167421-28-4

Cyanine3 azide chloride

Cyanine3 azide chloride is a fluorescent dye that serves as a versatile tool for bioorthogonal labeling through click chemistry. Featuring an azide group, it facilitates copper-catalyzed azide-alkyne cycloaddition (CuAAc) with alkyne-labeled proteins and can also participate in strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN groups. This reagent emits strong fluorescence with an excitation wavelength of 684 nm and an emission wavelength of 710 nm, making it suitable for applications in cellular imaging, protein labeling, and various bioconjugation techniques.

Cat. No.

A44322

CAS No.

114458-99-0

Tetramethylrhodamine-5-iodoacetamide

Synonyms: 5-TMRIA

Tetramethylrhodamine-5-iodoacetamide (5-TMRIA) is a thiol-selective reactive dye that interacts primarily with cysteine residues in proteins, facilitating non-specific labeling. This compound is effectively utilized for covalently labeling proteins, which is crucial for tracking and studying protein interactions and dynamics. Additionally, 5-TMRIA can also be employed for covalent labeling of DNA fragments, expanding its application in various molecular biology and biochemical research studies.

Cat. No.

A44323

CAS No.

1801695-57-7

Sulfo-Cy5-tetrazine

Sulfo-Cy5-tetrazine is a Cy5 derivative featuring a tetrazine moiety that serves as a potent click chemistry reagent. This compound exhibits fluorescence properties similar to Cy5, with excitation/emission maxima at 633/647 nm. Sulfo-Cy5-tetrazine is optimized for use in biochemical applications requiring selective labeling, enabling the visualization of biomolecules through inverse electron demand Diels-Alder reactions with trans-cyclooctene (TCO) functionalized partners. This reagent is ideal for use in various biological research contexts, including molecular imaging and assay development.

Cat. No.

A44324

CAS No.

198978-94-8

5(6)-ROX

Synonyms: 5(6)-Carboxy-X-rhodamine

5(6)-ROX (5(6)-Carboxy-X-rhodamine) is a nucleic acid fluorescent dye widely used as a reference dye in real-time polymerase chain reaction (qPCR). It exhibits excitation and emission maxima at 585 nm and 605 nm, respectively, allowing for efficient fluorescence detection. This dye is essential for quantitative analysis, standardizing measurements in multiplex qPCR assays, and enhancing the reliability of nucleic acid quantification.

Cat. No.

A44325

CAS No.

1798305-98-2

CalFluor 488 Azide

CalFluor 488 Azide is a water-soluble fluorogenic azide probe that requires activation through Cu-catalyzed or metal-free click reactions. This reagent remains non-fluorescent until it reacts with alkyne-containing molecules, allowing for a reliable detection method. CalFluor 488 Azide readily participates in copper-catalyzed azide-alkyne cycloaddition (CuAAc) as well as ring strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN groups, making it valuable for applications in chemical biology, bioconjugation, and live cell imaging.

Cat. No.

A44326

CAS No.

131467-87-3

4-Hydrazino-7-nitro-benzofurazan hydrazine adduct

Synonyms: NBD-H

4-Hydrazino-7-nitro-benzofurazan hydrazine adduct is a fluorescent dye that serves as a reactive probe for protein labeling. This compound exhibits strong fluorescence properties, facilitating visualization and analysis of proteins in various biological contexts. Its application extends to studies in protein dynamics, cellular localization, and biomolecular interactions, making it an essential tool in biochemical research.

Cat. No.

A44327

CAS No.

412319-45-0

6-FAM-PEG3-Azide

6-FAM-PEG3-Azide is a fluorescent dye that serves as a versatile labeling reagent for oligonucleotides. It features an azide functional group, enabling it to participate in copper-catalyzed azide-alkyne cycloaddition (CuAAc) with alkyne-bearing molecules. Additionally, 6-FAM-PEG3-Azide can engage in strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with compounds containing DBCO or BCN groups. This dye is particularly valuable in various applications, including bioimaging and targeted delivery studies.

Cat. No.

A44328

CAS No.

51023-76-8

4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic acid disodium

4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic acid disodium is a fluorescent dye that targets cellular structures for imaging applications. It exhibits strong fluorescence, making it suitable for demonstrating retrograde axonal transport and labeling secondary antibodies. Additionally, this compound can be employed as a fluorescent whole cell stain in various biological research applications, facilitating the visualization of cellular processes.

Cat. No.

A44329

CAS No.

2042192-00-5

Janelia Fluor® 646, Tetrazine

Synonyms: JF646; Tetrazine

Janelia Fluor® 646, Tetrazine is a red fluorescent dye characterized by its tetrazine moiety. This compound serves as a versatile click chemistry reagent, enabling efficient labeling through inverse electron demand Diels-Alder (iEDDA) reactions with TCO-containing molecules. Its robust fluorescent properties make JF646, Tetrazine suitable for applications in cellular imaging, facilitating the visualization of dynamic biological processes in live cells.

Cat. No.

A44330

CAS No.

1811539-42-0

PA Janelia Fluor® 549, SE

Synonyms: PA-JF549-NHS

PA Janelia Fluor® 549, SE is a fluorescent dye designed for photoactivation applications. With an absorption maximum of 549 nm and an emission maximum of 571 nm, this bright fluorophore is ideal for sensitive imaging in biological research. It is utilized in a variety of assays, including live-cell microscopy and super-resolution imaging, enabling detailed visualization of cellular components and dynamics.

Cat. No.

A44331

CAS No.

150810-69-8

6-TAMRA-SE

Synonyms: 6-TAMRA-NHS ester; 6-Carboxytetramethylrhodamine N-succinimidyl ester

6-TAMRA-SE (6-TAMRA-NHS ester) is an amine-reactive fluorescent agent that serves as a powerful dye for labeling applications. This compound is widely utilized in molecular biology, particularly in automated DNA sequencing, due to its bright fluorescence and stability. Its ability to specifically target amine groups makes it an invaluable tool for the conjugation of biomolecules in various research settings.

Cat. No.

A44333

CAS No.

1801695-56-6

Sulfo-Cy3 Azide

Sulfo-Cy3 Azide is a water-soluble fluorogenic azide dye designed for Click Chemistry applications. By incorporating an azide group, it facilitates the selective labeling of sensitive bioconjugates, including proteins, through copper-catalyzed azide-alkyne cycloaddition (CuAAc) with alkyne-containing molecules. Additionally, it can participate in ring strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN functionalized compounds, making it a versatile tool for biochemical and imaging studies.

Cat. No.

A44334

CAS No.

88235-25-0

NBD-X acid

NBD-X acid is a fluorescent probe that features a nitrobenzoxadiazole moiety. It exhibits strong fluorescence properties, making it suitable for imaging and tracking biomolecules in various biological studies. NBD-X acid is commonly employed in the investigation of biomolecular interactions, providing valuable insights into structural and functional dynamics.

Cat. No.

A44335

CAS No.

1807529-70-9

Cy 5 amine hydrochloride

Synonyms: Cyanine5 amine hydrochloride

Cyanine5 amine hydrochloride is a potent fluorescent dye with strong absorbance at 646 nm and emission at 662 nm. It is suitable for use in a variety of molecular imaging applications, particularly through its ability to react with terminal alkynes in copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions. This reagent is essential for developing fluorescent probes and conjugates for biological research.

Cat. No.

A44336

CAS No.

1628790-37-3

Cyanine5.5 alkyne chloride

Cyanine5.5 alkyne chloride is a near-infrared fluorescent dye that exhibits excitation at 678 nm and emission at 694 nm. This alkynyl-modified compound is particularly effective for click chemistry applications, enabling efficient labeling through reactions with azides. Its properties make it suitable for a variety of biological research applications, including imaging and tracking in live cells and tissues.

Cat. No.

A44337

CAS No.

88404-25-5

4-Bromomethyl-6,7-dimethoxycoumarin

4-Bromomethyl-6,7-dimethoxycoumarin is a fluorescent label specifically designed for the detection of carboxylic acids through chromatographic methods. This compound exhibits strong fluorescence, enabling sensitive and selective identification of target analytes. Its application is particularly valuable in analytical chemistry for the quantification and characterization of carboxylic acid-based compounds.

Cat. No.

A44338

CAS No.

55145-14-7

DACM

Synonyms: N-(7-Dimethylamino-4-methyl-3-coumarinyl)maleimide

DACM (N-(7-Dimethylamino-4-methyl-3-coumarinyl)maleimide) is a thiol-directed fluorescent dye that exhibits excitation and emission maxima at 396 nm and 468 nm, respectively. This compound is primarily used for the selective labeling of thiol groups in biomolecules, facilitating studies in protein biochemistry and cellular imaging. Its high fluorescence quantum yield makes DACM particularly valuable for tracking and quantifying thiol-containing proteins in various biological research applications.

Cat. No.

A44340

CAS No.

145195-58-0

NBD-X, SE

NBD-X, SE is an acceptor fluorophore that exhibits sensitivity to environmental changes, making it suitable for the development of bioconjugates. Its unique photophysical properties enable effective fluorescence resonance energy transfer (FRET) applications in biochemical assays and imaging studies. Researchers can leverage NBD-X, SE for monitoring molecular interactions and conformational changes in various biological systems.

Cat. No.

A44342

CAS No.

198546-47-3

1,4-Dichloro 5-carboxytetramethylrhodamine

1,4-Dichloro 5-carboxytetramethylrhodamine is a fluorescent dye known for its high sensitivity and compatibility with various biological assays. With an excitation wavelength of 541 nm and emission at 568 nm, it effectively labels proteins and other biomolecules, enabling the visualization of cellular processes. This reagent is widely used in fluorescence microscopy, flow cytometry, and other applications requiring precise detection and quantification of target molecules in complex biological systems.

Cat. No.

A44343

CAS No.

80724-20-5

6-TRITC

Synonyms: Tetramethylrhodamine-6-isothiocyanate

6-TRITC (Tetramethylrhodamine-6-isothiocyanate) is a highly effective fluorescent tracer utilized in various biological research applications. It serves as a probe for haptenated proteins and peptides, facilitating investigations into contact allergy mechanisms. Additionally, 6-TRITC is suitable for confocal imaging of living cells, allowing for enhanced visualization and analysis of cellular processes.

Cat. No.

A44344

CAS No.

905-97-5

3,3-Diethylthiacarbocyanine iodide

3,3-Diethylthiacarbocyanine iodide is a cyanine dye known for its strong fluorescent properties. It is widely utilized in photochemical applications, particularly in studies involving fluorescence microscopy and spectrophotometry. This compound serves as a vital tool for researchers in investigating biological processes and cellular dynamics.

Cat. No.

A44345

CAS No.

2055022-06-3

DBCO-PEG12-TCO

DBCO-PEG12-TCO is a dual-functional click chemistry reagent featuring both DBCO and TCO moieties. The DBCO group enables strain-promoted alkyne-azide cycloaddition (SPAAC) with azide-bearing molecules, while the TCO moiety is capable of engaging in inverse electron demand Diels-Alder (iEDDA) reactions with tetrazine-containing compounds. This reagent is suitable for applications in bioconjugation, drug discovery, and the development of functionalized biomolecules in chemical biology research.

Cat. No.

A44346

CAS No.

27599-63-9

5(6)-Aminofluorescein

Synonyms: 5(6)-AFM; Fluoresceinamine mixed isomers

5(6)-Aminofluorescein is an amino-containing fluorescein dye that serves as a key tool for biomolecular labeling and fluorescence imaging. With an excitation and emission spectrum of 495 nm and 515 nm respectively, it is also utilized as a precursor in the synthesis of fluorescent probes. This compound is beneficial for various applications in cellular and molecular biology, aiding in the visualization and tracking of biomolecules in research settings.

Cat. No.

A44347

CAS No.

85-84-7

Yellow AB

Synonyms: Solvent yellow 5

Yellow AB, also known as Solvent Yellow 5, is an azo dye that primarily interacts with colorimetric systems. It exhibits key biological activity as a dyeing agent and finds applications in various research settings, including studies involving color development and food science. This compound is useful for analyzing food products and assessing dye stability and migration in various matrices.

Cat. No.

A44348

CAS No.

29270-55-1

4-Fluoro-2,1,3-benzoxadiazole

Synonyms: 4-Fluorobenzofurazan

4-Fluoro-2,1,3-benzoxadiazole serves as a fluorescent labeling reagent through its unique ability to emit light upon excitation. This compound is widely utilized in bioconjugation applications, enabling the visualization of biomolecules in various assays. Its fluorescent properties facilitate studies in cellular imaging and tracking, making it an essential tool for researchers in chemical biology.