Cyanine Dyes

Cat. No.

A44391

CAS No.

2382994-65-0

Sulfo-Cyanine5.5 azide tripotassium

Sulfo-Cyanine5.5 azide tripotassium is a near-infrared (NIR) fluorescent dye characterized by its azide functionality (Ex=678 nm, Em=694 nm). This reagent is particularly suited for Click Chemistry applications, enabling efficient labeling 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 substances, making it a valuable tool for bioimaging and labeling studies in chemical biology.

Cat. No.

A44404

CAS No.

53213-85-7

3,3-Dibutylthiacarbocyanine iodide

3,3-Dibutylthiacarbocyanine iodide is a fluorescent dye primarily used for the visualization of cellular structures and processes. With an excitation wavelength of 559 nm and an emission wavelength of 604 nm, this compound is ideal for applications in fluorescence microscopy and flow cytometry. Its high photostability and bright fluorescence make it a valuable tool in biological research and diagnostics, facilitating the study of live cells and dynamic biological events.

Cat. No.

A44406

CAS No.

2197-01-5

3,3'-Diethylthiacyanine iodide

3,3'-Diethylthiacyanine iodide is a cyanine fluorescent dye known for its strong affinity for bacterial cells. This dye exhibits excellent photostability and fluorescence properties, making it suitable for applications in microbial imaging and bacterial detection. Its unique fluorescent characteristics facilitate studies in microbiology and related fields.

Cat. No.

A44436

CAS No.

1686147-55-6

ICG-amine

ICG-amine is a near-infrared fluorescent probe that selectively binds to amino acid residues without the requirement for condensing agents. As a tricarbocyanine dye, it exhibits strong fluorescence properties, making it suitable for various biological imaging applications. This compound is ideal for studies involving protein labeling, cellular imaging, and localization of biomolecules in live cells.

Cat. No.

A44444

CAS No.

2757507-18-7

Disulfo-ICG carboxylic acid

Disulfo-ICG carboxylic acid is a derivative of Indocyanine Green (ICG), a near-infrared (NIR) fluorescent dye. This compound functions as a fluorochrome dye, exhibiting strong fluorescent properties that make it suitable for various imaging applications, including live-cell imaging and in vivo diagnostics. Disulfo-ICG carboxylic acid is particularly beneficial in studies requiring enhanced biocompatibility and stability, facilitating advanced research in molecular biology and medical imaging.

Cat. No.

A44445

CAS No.

95837-47-1

Cypate

Cypate is a near-infrared (NIR) fluorescent probe designed for in vivo tumor imaging. This cyanine dye exhibits strong fluorescence properties, enabling enhanced visualization of tumors in biological systems. Cypate is particularly useful in research applications involving cancer diagnostics and the monitoring of therapeutic efficacy. Its ability to penetrate deeply into biological tissues makes it a valuable tool for preclinical studies.

Cat. No.

A44447

CAS No.

4727-50-8

Cryptocyanine

Cryptocyanine is a fluorescent dye characterized by its strong luminescence properties. It is commonly used in various biological imaging applications, providing enhanced visualization of cellular structures and processes. This compound is particularly valuable in fluorescence microscopy and flow cytometry, enabling researchers to study biological phenomena with greater precision and clarity.

Cat. No.

A44452

CAS No.

177194-56-8

Fluorescent NIR 885

Fluorescent NIR 885 is a cyanine dye that exhibits near-infrared absorption, functioning as a photoprotective agent. Its primary mechanism involves effective light absorption in the near-infrared spectrum, providing protection against photodamage. This compound is valuable for research applications in photobiology and protective strategies in various biological systems, enabling the study of cellular responses to light exposure.

Cat. No.

A44606

CAS No.

3012597-48-4

Cy3-NO2-Tre

Cy3-NO2-Tre is a nitroreductase-responsive cyanine-based fluorescent dye designed for the specific labeling of Mycobacterium tuberculosis (Mtb). Upon activation by the conserved nitroreductase Rv3368c found in the Mycobacteriaceae family, it exhibits fluorescence, facilitating the imaging of mycobacteria within infected host cells. This fluorescent probe is valuable for tracking infection dynamics and visualizing the endocytosis of Mycobacterium smegmatis by macrophages, with excitation/emission wavelengths of 540-550/575-625 nm.

Cat. No.

A44779

CAS No.

2183440-58-4

Sulfo-Cyanine5.5 maleimide potassium

Synonyms: Sulfo-Cy5.5 maleimide potassium

Sulfo-Cyanine5.5 maleimide potassium is a near-infrared (NIR) fluorescent dye that targets sensitive biomolecules for effective labeling. With an excitation maximum at 675 nm and an emission maximum at 694 nm, it is well-suited for visualizing proteins, nanoparticles, and hydrophilic biopolymers in various biological research applications. This reagent is particularly advantageous in fluorescence imaging and tracking studies, enabling advanced investigations in cellular and molecular biology.

Cat. No.

A44780

CAS No.

943298-08-6

CY7

Synonyms: Sulfo-Cyanine7

CY7 is a Cyanine dye known for its exceptional fluorescent properties, operating at long wavelengths with adjustable absorption and emission. Its high extinction coefficient and good water solubility make it an ideal choice for labeling proteins, antibodies, and small molecular compounds. The straightforward mixing reaction facilitates efficient conjugation with protein antibodies, enhancing the visibility and tracking of biomolecules in various applications, including imaging and flow cytometry.

Cat. No.

A44787

CAS No.

1437796-65-0

Cy5 maleimide

Synonyms: Cyanine5 maleimide

Cy5 maleimide is a cyanine-based fluorescent dye that covalently binds to thiol groups in proteins and other biomolecules. Characterized by its long wavelength emission, high extinction coefficient, and excellent water solubility, Cy5 maleimide is ideal for applications in fluorescence microscopy, flow cytometry, and other labeling techniques. The straightforward mixing reaction facilitates efficient labeling of proteins and antibodies, making it a valuable tool for various biological research applications, including immunoassays and in vivo imaging studies.

Cat. No.

A44790

CAS No.

1497420-70-8

CY5-SE triethylamine salt

Synonyms: Cy5 NHS Ester triethylamine salt; Sulfo-Cyanine5 Succinimidyl Ester triethylamine salt

CY5-SE triethylamine salt is a fluorescent probe primarily utilized for the labeling of amino groups in peptides, proteins, and oligonucleotides. This reactive dye facilitates efficient labeling of soluble proteins and various peptides, providing enhanced fluorescence characteristics. With an excitation wavelength of 649 nm and an emission wavelength of 670 nm, CY5-SE triethylamine salt is ideal for applications in molecular biology and biochemistry, including imaging and tracking of biomolecules.

Cat. No.

A44804

CAS No.

477908-53-5

CY7-SE

Synonyms: Sulfo-Cyanine7 Succinimidyl Ester

CY7-SE is a fluorescent dye from the Cyanine family, characterized by its long wavelength and high extinction coefficient. This compound exhibits adjustable absorption and emission properties, as well as excellent water solubility, making it ideal for labeling applications in biological research. CY7-SE is commonly utilized for the labeling of proteins, antibodies, and small molecules, facilitating efficient conjugation through straightforward mixing reactions. Its versatile properties enable its application in a variety of fluorescence-based assays and imaging techniques.

Cat. No.

A44811

CAS No.

2247688-56-6

Cyanine3 amine hydrochloride

Cyanine3 amine hydrochloride is a fluorescent dye characterized by its primary amine group, allowing for efficient covalent coupling with reactive groups such as NHS esters, carboxy groups (post-carbodiimide activation), and epoxides. This compound exhibits strong green fluorescence with excitation and emission maxima at 555 nm and 570 nm, respectively. It is widely utilized in biological research applications, including protein labeling, cellular imaging, and monitoring of biological processes.

Cat. No.

A44818

CAS No.

1621101-43-6

CY5-N3

Synonyms: Sulfo-Cyanine5-azide

CY5-N3 (Sulfo-Cyanine5-azide) is a cell-permeable fluorescent dye, with excitation and emission wavelengths of 646 nm and 662 nm, respectively. This compound is designed for use in live cell imaging applications, enabling visualization of cellular processes in real time. CY5-N3 can be utilized effectively in Click chemistry reactions for conjugating with various biomolecules, facilitating enhanced imaging strategies in biological research.

Cat. No.

A44830

CAS No.

2708152-94-5

Cy7.5 NHS ester

Cy7.5 NHS ester is a fluorescent dye that primarily targets biological imaging applications. Its reactive NHS ester enables efficient conjugation to various biomolecules, such as mPEG-b-PDPA, to create fluorescent copolymers. Cy7.5 NHS ester is suitable for fluorescent imaging studies, with excitation and emission wavelengths at 780 nm and 820 nm, respectively, facilitating high-resolution visualization in research settings.

Cat. No.

A44831

CAS No.

186205-33-4

Cy2-SE (iodine)

Synonyms: Cyanine2 Succinimidyl Ester (iodine)

Cy2-SE (iodine) is an amino fluorescent dye that falls under the category of Cyanine dyes. These compounds are characterized by their long wavelength absorption and emission properties, high extinction coefficients, and excellent water solubility. Cy2-SE is particularly useful for the labeling of proteins, antibodies, and small molecular compounds, facilitating the study of biomolecular interactions. The labeling process can be efficiently achieved through a straightforward mixing reaction, making it a valuable tool in various biological research applications, including fluorescence microscopy and flow cytometry.

Cat. No.

A44832

CAS No.

146368-16-3

CY3-SE

Synonyms: Sulfo-Cy3 NHS ester; Sulfo Cyanine3 NHS ester

CY3-SE is a sulfonated cyanine dye that functions as a fluorescent labeling reagent. With an excitation wavelength of approximately 515 nm and an emission wavelength around 568 nm, CY3-SE effectively interacts with biomolecules such as nucleoside monophosphates and proteins. This interaction inhibits photoisomerization, enhancing both the fluorescence quantum yield and lifetime, making it suitable for various biological research applications, including imaging and labeling studies.

Cat. No.

A44834

CAS No.

2736437-44-6

Sulfo-Cy7.5 NHS ester

Sulfo-Cy7.5 NHS ester is a hydrophilic near-infrared (NIR) dye designed for the modification of amine groups through its NHS ester functionality. Featuring a trimethylene bridge with a linker arm, this compound enables efficient attachment to proteins, peptides, and other biomolecules. Sulfo-Cy7.5 NHS ester is an invaluable tool for research applications involving NIR imaging, facilitating advanced studies in biological and biomedical fields.

Cat. No.

A44837

CAS No.

1469277-96-0

Cyanine5.5 NHS ester chloride

Cyanine5.5 NHS ester chloride is a reactive dye designed for the labeling of proteins, antibodies, and small molecular compounds. It functions through covalent bonding to primary amines, allowing for the development of sensitive and specific assays. This dye is particularly useful in fluorescence imaging and various biochemical assays, enabling enhanced visualization of biological samples in research applications.

Cat. No.

A44838

CAS No.

1223357-57-0

Cyanine5 alkyne

Synonyms: Alkyne-Cy5

Cyanine5 alkyne is a fluorescent dye that functions as an OXPHOS inhibitor, targeting mitochondrial respiration. This compound is primarily utilized in click chemistry applications, allowing for the labeling of azide-containing proteins and analysis of post-translational modifications, including glycosylation. Additionally, Cyanine5 alkyne has demonstrated potential to inhibit the growth of cancer stem cells, making it a valuable tool in cancer research and cellular biology studies.

Cat. No.

A44842

CAS No.

2183440-44-8

Sulfo-Cy5 amine

Sulfo-Cy5 amine is a near-infrared fluorochrome dye that features an amine group, enhancing its reactivity with carboxyl-containing biomolecules. The incorporation of sulfonate groups significantly increases its solubility in aqueous solutions, making it ideal for biolabeling and cell imaging applications. This compound's ability to form covalent bonds with proteins and antibodies allows for the tracking of their localization and dynamic changes within biological samples, facilitating advanced research in cellular and molecular biology.

Cat. No.

A44850

CAS No.

1557136-25-0

Cyanine 5.5 azide

Synonyms: CY 5.5 azide; Lumiprobe CY 5.5 azide

Cyanine 5.5 azide is a highly effective fluorescent dye primarily used for labeling DNA. Its unique properties enable near-infrared live organism imaging with excitation at 684 nm and emission at 710 nm. This compound serves as a click chemistry reagent, featuring an azide group that participates in copper-catalyzed azide-alkyne cycloaddition reactions with alkyne-containing molecules, as well as strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN groups. Its versatility makes it suitable for various biological research applications, including cellular imaging and molecular probing.

Cat. No.

A44856

CAS No.

2643308-61-4

Dibenzocyclooctyne-Cy5.5

Synonyms: DBCO-Cy5.5; Cyanine5.5 DBCO

Dibenzocyclooctyne-Cy5.5 (DBCO-Cy5.5) is a fluorescent dye that primarily targets biomolecules for labeling and imaging applications. This compound is particularly valuable for synthesizing calcium-binding near-infrared fluorescent nanoprobes, enabling enhanced visualization of bone tissue in research studies. Its unique properties make it suitable for various biological applications, including diagnostics and biomolecular imaging.