Cyanine Dyes

Cat. No.

A45303

CAS No.

1803099-44-6

Cyanine7.5 carboxylic acid chloride

Cyanine7.5 carboxylic acid chloride is a near-infrared fluorochrome dye that serves as a versatile tool for biological imaging applications. It features carboxylic acid functional groups, allowing for covalent attachment to various biomolecules, such as proteins and antibodies. This enables researchers to monitor the localization and dynamic behavior of these molecules in biological samples, facilitating studies in cell biology, diagnostics, and therapeutic development.

Cat. No.

A45304

CAS No.

2669097-28-1

Cy3 azide plus

Cy3 azide plus is a Cyanine 3 (Cy3) dye derivative featuring an azide functional group, primarily utilized as a fluorochrome. It exhibits fluorescence within the green to orange wavelength range, making it suitable for various imaging applications. The azide group can react with molecules possessing alkyne functionalities, facilitating the formation of covalent bonds with biomolecules, such as proteins and antibodies. This enables tracking and visualization of biomolecular localization and dynamic changes in biological samples, supporting a wide range of research endeavors in cellular biology and biochemistry.

Cat. No.

A45305

CAS No.

2760599-02-6

Sulfo-Cy7.5 carboxylic acid

Sulfo-Cy7.5 carboxylic acid is a near-infrared fluorochrome dye that features both carboxylic acid and sulfonate functional groups, enhancing its solubility in aqueous solutions. This compound is widely utilized in biomedical research for its applications in biomarker visualization and cell imaging. Sulfo-Cy7.5 carboxylic acid can be covalently conjugated to various biomolecules, including antibodies and proteins, allowing for the tracking of their localization and dynamic behavior in biological assays.

Cat. No.

A45306

CAS No.

2144762-62-7

Sulfo-Cy3 hydrazide

Sulfo-Cy3 hydrazide is a cyanine 3 (Cy3) dye derivative featuring hydrazine functionality, designed for use as a fluorescent label in biological research. The sulfonate group enhances solubility in aqueous solutions, making it ideal for various biochemical applications. This fluorescent dye emits in the green to orange wavelength range and can covalently bond through hydrazinone coupling with aldehyde or ketone-containing molecules. Sulfo-Cy3 hydrazide is particularly useful for tracking the location and dynamic behavior of biomolecules such as proteins and antibodies in various biological samples.

Cat. No.

A45307

CAS No.

1628790-36-2

Cyanine7.5 azide chloride

Cyanine7.5 azide chloride is a near-infrared fluorescent dye derivative of Cyanine 7.5, featuring an azide functional group. This compound is primarily utilized as a biolabeling agent for cell imaging, facilitating the covalent bonding with molecules that possess alkyne functionality through click chemistry. Cyanine7.5 azide chloride enables the tracking of biomolecules, including proteins and antibodies, to study their localization and dynamic changes within biological samples.

Cat. No.

A45336

CAS No.

16595-48-5

1,1',3,3,3',3'-Hexamethylindotricarbocyanine perchlorate

Synonyms: HITC

1,1',3,3,3',3'-Hexamethylindotricarbocyanine perchlorate (HITC) is a potent fluorochrome that acts as a membrane-potential sensitive dye. This slow-response potentiometric fluorophore exhibits strong fluorescence in the near-infrared region, making it suitable for various imaging applications. HITC is commonly employed in studies of cellular dynamics and membrane potential changes, as well as serving as a laser dye in infrared laser applications.

Cat. No.

A45347

CAS No.

161433-32-5

DiOC16(3)

Synonyms: 3,3'-Dihexadecyloxacarbocyanine

DiOC16(3) (3,3'-Dihexadecyloxacarbocyanine) is a lipophilic carbocyanine dye primarily used for fluorescent imaging applications. This reagent is effective in tracking membrane potential changes and studying membrane fluidity in various cell types. Its ability to readily integrate into lipid membranes makes it a valuable tool in cellular physiology and membrane dynamics research.

Cat. No.

A45389

CAS No.

2242791-82-6

Sulfo-Cy5-Mal potassium

Sulfo-Cy5-Mal potassium is a fluorescent dye that targets proteins for labeling applications. Its strong fluorescent properties allow for enhanced visibility in various biochemical assays, making it valuable in studies of protein interactions, localization, and dynamics. This compound is commonly employed in fluorescence microscopy, flow cytometry, and other imaging techniques to facilitate detailed analysis of biological samples.

Cat. No.

A45390

CAS No.

1251915-04-4

Sulfo-Cy7 carboxylic acid

Sulfo-Cy7 carboxylic acid is a fluorescent dye that belongs to the cyanine family. It exhibits strong near-infrared absorption and fluorescence, making it a valuable tool for a variety of biological imaging applications, including in vivo imaging and cellular assays. Its excellent photostability and solubility in aqueous solutions enhance its utility in research settings, enabling precise detection and quantification of biomolecules.

Cat. No.

A45392

CAS No.

1658416-54-6

Sulfo-cyanine3 azide

Sulfo-cyanine3 azide is a fluorescent dye characterized by its azide functionality, with excitation and emission maxima at 548 nm and 563 nm, respectively. This compound serves as a valuable probe in biological imaging and research applications, particularly in studying cellular processes and interactions. It can participate in copper-catalyzed azide-alkyne cycloaddition (CuAAc) with alkyne-containing molecules, as well as in strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN groups, making it a versatile tool for chemical labeling and bioorthogonal reactions.

Cat. No.

A45393

CAS No.

182873-67-2

Cy5 Phosphoramidite

Cy5 Phosphoramidite is a fluorescent dye that serves as a critical building block in the synthesis of labeled oligonucleotides. It exhibits strong fluorescence in the near-infrared region, making it suitable for applications in molecular biology, genomics, and diagnostics. This reagent enhances the detection and quantification of nucleic acids in various assays, including real-time PCR and microarray analysis.

Cat. No.

A45394

CAS No.

3564-18-9

Eriochrome cyanine R indicator (C.I. 43820)

Eriochrome cyanine R indicator (C.I. 43820) is a biochemical assay reagent primarily used for metal ion detection, particularly in complexometric titrations. This compound exhibits high sensitivity and selectivity, making it valuable for quantifying various metal ions in biological samples and environmental analyses. Its applications are essential in studies involving metalloproteins, trace metal analysis, and water quality assessment.

Cat. No.

A45403

CAS No.

762260-71-9

Cyanine 3 bihexanoic acid dye potassium

Cyanine 3 bihexanoic acid dye potassium is a biochemical assay reagent primarily used for fluorescence labeling in biological research. This compound exhibits strong fluorescence properties, making it suitable for applications such as imaging and detection of biomolecules. Its hydrophobic tail enhances membrane permeability, facilitating the study of cellular processes. Researchers can utilize this dye in various assays to improve signal detection in fluorescence techniques.

Cat. No.

A45411

CAS No.

2055138-88-8

diSulfo-Cy3 alkyne

diSulfo-Cy3 alkyne is a water-soluble dye that functions as a Click Chemistry reagent featuring an alkyne group. With absorption and emission characteristics comparable to those of the Cy3 fluorophore, it is suitable for precise labeling of proteins and other biological structures in aqueous environments. This compound is valuable for applications in fluorescence microscopy and bioconjugation studies, enhancing visualization and tracking of target biomolecules in diverse biological research.

Cat. No.

A45412

CAS No.

2129525-69-3

Sulfo-Cy5-TCO

Sulfo-Cy5-TCO is a water-soluble fluorescent dye that incorporates a trans-cyclooctene (TCO) moiety, facilitating rapid and efficient click chemistry reactions with tetrazines and methyltetrazines. This reagent is designed for use in bioconjugation applications, offering high reactivity and speed that enhances labeling efficiency in various biological experiments. Its unique properties make Sulfo-Cy5-TCO valuable for researchers in fields such as cellular imaging, biomolecule tracking, and targeted drug delivery.

Cat. No.

A45426

CAS No.

2695564-68-0

Cyanine3 hydrazide dichloride

Cyanine3 hydrazide dichloride is a carbonyl reactive dye that facilitates the labeling of carbonyl-containing biomolecules. This reagent is commonly utilized for tagging antibodies and glycoproteins following periodate oxidation, as well as proteins or reducing sugars subjected to oxidative stress or deamination. It is an essential tool for studies involving protein interactions, glycomic analysis, and cellular imaging applications.

Cat. No.

A45427

CAS No.

2755154-93-7

Cyanine3 maleimide tetrafluoroborate

Cyanine3 maleimide tetrafluoroborate is a fluorochrome that specifically labels sulfhydryl groups, making it a valuable tool for protein and peptide labeling. With an excitation wavelength of 550 nm and an emission wavelength of 580 nm, this reagent is suitable for various bioimaging and fluorescent applications in chemical research. Its specificity for thiol-containing biomolecules enables precise tracking and analysis of protein interactions and modifications.

Cat. No.

A45429

CAS No.

2231670-86-1

Cyanine 3.5 chloride

Synonyms: Cy3.5 NHS ester chloride; Cy 3.5 chloride

Cyanine 3.5 chloride is a highly reactive red fluorescent dye, primarily utilized for the labeling of amino groups in peptides, proteins, and oligonucleotides. With excitation and emission maxima at 591 nm and 604 nm, respectively, this dye is ideal for various fluorescence-based applications in biological research. Its ability to enhance detection sensitivity makes it valuable for analyzing biomolecules and understanding molecular interactions.

Cat. No.

A45444

CAS No.

1802928-88-6

Cyanine3.5 carboxylic acid chloride

Synonyms: Cy 3.5 carboxylic acid chloride

Cyanine3.5 carboxylic acid chloride is an anthocyanin dye that serves as a versatile tool in fluorescent labeling applications. This compound is a free, unactivated monofunctional carboxylic acid, making it suitable as a reference or control for non-reactive dyes in various experimental setups. Additionally, it is structurally related to the Cy3.5 fluorophore, offering potential utility in advanced imaging and detection assays in biological research.

Cat. No.

A45448

CAS No.

2183440-45-9

Sulfo-Cyanine5.5 amine

Sulfo-Cyanine5.5 amine is a hydrophilic fluorescent dye containing four sulfonate groups and an aliphatic primary amine. This compound can undergo coupling reactions with various electrophiles, including activated esters and epoxides. It is primarily utilized in far red/NIR applications, such as in vivo imaging, and is also suitable for enzymatic transamination labeling, facilitating advanced studies in biological research.

Cat. No.

A45488

CAS No.

1603861-95-5

Sulfo-Cyanine7 NHS ester potassium

Sulfo-Cyanine7 NHS ester potassium is a highly reactive dye reagent designed for the conjugation to amine-containing biomolecules. This succinimide ester enables the efficient preparation of sulfo-Cyanine7-labeled proteins and other biomolecules. The resulting dye-labeled conjugates are widely utilized in fluorescence imaging, flow cytometry, and other applications in chemical and biological research.

Cat. No.

A45517

CAS No.

252255-42-8

Cy5-bifunctional dye potassium

Cy5-bifunctional dye potassium is a water-soluble fluorescent dye featuring two terminal NHS ester functionalities. This reagent enables selective and efficient reactions with primary amines, such as those found in lysine residues or aminosilane-coated surfaces, under neutral to slightly basic conditions, resulting in stable covalent bonds. Its bifunctional nature makes it suitable for cross-conjugation of amines and a variety of advanced labeling applications in chemical and biological research.

Cat. No.

A45522

CAS No.

42849-61-6

Cyanine3.5 dimethyl

Cyanine3.5 dimethyl is a non-sulfonated cyanine dye known for its excellent solubility in organic solvents and bright fluorescence in the yellow-orange spectrum. This dye serves as a non-reactive fluorophore, making it suitable for control experiments, calibration, and various technical applications in fluorescence microscopy and imaging. Its properties enable precise studies in biological research, facilitating the visualization of cellular components and processes.

Cat. No.

A45529

CAS No.

1914113-85-1

Cyanine3B azide

Cyanine3B azide is a fluorescent dye designed for click chemistry applications, specifically for conjugation with terminal alkynes via copper-catalyzed reactions or with strained cyclooctynes through copper-free methods. This yellow-emitting cyanine dye exhibits enhanced fluorescence quantum yield and photostability, attributed to its fixed conformation, making it one of the brightest dyes in its class. Due to its non-sulfonated nature, an organic co-solvent such as DMF or DMSO is recommended for optimal labeling efficiency in aqueous environments.

Cat. No.

A45535

CAS No.

138248-58-5

Cy5.5 dimethyl

Cy5.5 dimethyl is a fluorescent dye that serves as a non-reactive fluorophore, making it ideal for use in experimental controls and instrument calibration. This non-sulfonated reagent exhibits excellent solubility in organic solvents and limited solubility in aqueous environments, facilitating a variety of research applications in optical imaging and fluorescence-based assays.