All Dyes

Cat. No.

A24757

CAS No.

38183-12-9

Fluorescamine

Synonyms: Ro 20-7234

Fluorescamine is a spirocyclic compound that serves as a fluorescent dye targeting primary amine groups. Under alkaline conditions, it rapidly reacts with these groups in proteins, resulting in highly fluorescent products with an excitation/emission maximum of 390/475 nm. This reagent is particularly useful for the detection of amine-containing compounds, such as amino acids, peptides, and proteins, and is widely utilized in biochemical assays and analytical techniques.

Cat. No.

A24758

CAS No.

1797415-74-7

TAMRA-Azide-PEG-biotin

TAMRA-Azide-PEG-biotin is a dye derivative that incorporates an azide functional group, enabling copper-catalyzed azide-alkyne cycloaddition (CuAAc) with alkyne-containing molecules. Additionally, it facilitates strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with DBCO or BCN modified compounds. This reagent is valuable for labeling and tracking biomolecules in various biological assays, enhancing visualization and detection in chemical biology research.

Cat. No.

A24759

CAS No.

165599-63-3

BODIPY-FL

Synonyms: BDP FL acid

BODIPY-FL is a green fluorescent dye primarily utilized for labeling biological probes and primers. It exhibits unique fluorescence quenching capabilities upon interaction with specific guanine positioning, making it effective for quantifying particular DNA or RNA molecules. With a maximum absorption wavelength of 505 nm and an emission wavelength of 513 nm, BODIPY-FL is a valuable tool in nucleic acid detection and analysis applications.

Cat. No.

A24761

CAS No.

1449612-07-0

Cy5.5-COOH

Synonyms: Cyanine 5.5 carboxylic acid

Cy5.5-COOH is a fluorescent dye that emits light at 710 nm when excited at 650 nm. This compound features outstanding spectral characteristics, including a narrow absorption spectrum, high sensitivity, and exceptional stability. Cy5.5-COOH is ideal for applications in bioimaging and disease diagnosis, facilitating precise visualization and analysis in research settings.

Cat. No.

A24762

CAS No.

215247-93-1

LysoTracker Blue DND-22

LysoTracker Blue DND-22 is a blue fluorescent dye designed for visualizing acidic cellular compartments. With an excitation/emission wavelength of 373/422 nm, this reagent effectively stains lysosomes in live cells. It is instrumental in research applications focused on neurodegenerative diseases and leukemia, facilitating the study of cellular processes and disease mechanisms associated with acidic organelles.

Cat. No.

A24763

CAS No.

33864-99-2

Alcian Blue 8GX

Synonyms: NSC-324570

Alcian Blue 8GX is a cationic copper phthalocyanine dye that binds specifically to glycoproteins and glycosaminoglycans. This reagent is widely utilized in biological staining applications, facilitating the visualization of proteins in brain tumors as well as DNA in various cells and tissues. Its robust staining capability makes it an essential tool for histological and cytological analyses.

Cat. No.

A24764

CAS No.

28718-91-4

DAPI dilactate

Synonyms: 4',6-Diamidino-2-phenylindole dilactate

DAPI dilactate is a potent fluorescent dye primarily known for its strong binding affinity to DNA, specifically targeting the AT base pairs in the minor groove of double-stranded DNA. This binding significantly enhances fluorescence intensity, making it a valuable tool for applications in fluorescence microscopy to quantify DNA based on fluorescence signals. While DAPI is effective for staining both live and fixed cells, it does not penetrate intact cell membranes. Additionally, DAPI serves as an inhibitor of acid-sensing ion channel 3 (ASIC3), blocking its function, and is useful in research focused on chronic pain treatments (Ex/Em = 356/451 nm).

Cat. No.

A24766

CAS No.

217190-24-4

BODIPY TR Cadaverine

BODIPY TR Cadaverine is a cadaverine derivative that functions as a red fluorescent dye. It is specifically designed for use in sensitive fluorescent displacement assays, effectively binding to native lipopolysaccharides (LPS) with high specificity for lipid A. This compound can be competitively displaced by agents that exhibit affinity for lipid A, making it a valuable tool in research applications involving bacterial LPS interactions and membrane studies.

Cat. No.

A24767

CAS No.

596-09-8

Fluorescein Diacetate

Synonyms: 3,6-Diacetoxyfluoran; Di-O-acetylfluorescein

Fluorescein diacetate is a fluorogenic substrate that functions as a cell-permeable esterase substrate. Upon cleavage by cellular esterases, it yields fluorescein, which is highly fluorescent and allows for the visualization of viable cells. This compound is particularly useful in studies involving hGSTP1-1 and can be applied in assays for cell viability and drug response.

Cat. No.

A24768

CAS No.

1352750-34-5

WSP-1

WSP-1 is a selective fluorescent dye designed for the specific detection of hydrogen sulfide (H2S), exhibiting excitation and emission maxima at 465 nm and 515 nm, respectively. Upon reaction with H2S, WSP-1 produces a distinct fluorescent signal through the release of its fluorophore. This property makes WSP-1 a valuable tool in biochemical research for monitoring H2S levels in biological samples and studying its physiological roles.

Cat. No.

A24769

CAS No.

850013-49-9

CM-H2DCFDA

CM-H2DCFDA is a cell-permeable fluorescent probe designed for the detection of reactive oxygen species (ROS) within cells. Upon oxidation by ROS, this compound releases a highly fluorescent product, facilitating the measurement of cellular oxidant levels with an excitation/emission maximum of 495/530 nm. Suitable for various applications in oxidative stress research, CM-H2DCFDA provides sensitive and reliable quantification of ROS in live-cell imaging studies. Note that this reagent is light-sensitive and should be handled accordingly.

Cat. No.

A24770

CAS No.

288574-78-7

Zinpyr-1

Zinpyr-1 is a zinc-responsive fluorescent indicator designed for the detection of biologically mobile zinc ions. This compound exhibits a shift in excitation from 515 to 507 nm as zinc concentrations increase, enabling sensitive quantification of zinc levels. Zinpyr-1 is valuable for investigating zinc's role in various biological processes and can be utilized in live cell imaging and other fluorescence-based assays.

Cat. No.

A24771

CAS No.

485-47-2

Ninhydrin

Ninhydrin is a chromogenic probe primarily utilized for the quantification of amino acids and proteins. It reacts with free amino groups to produce a colored complex, facilitating sensitive and accurate analysis in biochemical studies. Ninhydrin is commonly employed in various research applications, including protein analysis, amino acid detection, and the evaluation of peptide content in samples.

Cat. No.

A24773

CAS No.

518-47-8

Fluorescein sodium

Synonyms: Uranine sodium

Fluorescein sodium is a prominent fluorescent tracer employed in various medicinal and biological applications, particularly for imaging tumor-infected tissues. As a well-established green fluorophore, it serves as a foundational scaffold for the development of effective green fluorescent probes, enabling enhanced visualization and tracking in research studies. This compound's versatility makes it an essential tool for fluorescence microscopy and related imaging techniques.

Cat. No.

A24774

CAS No.

825651-66-9

TAMRA azide, 5-isomer

TAMRA azide, 5-isomer is an azide-containing dye that serves as a versatile linker for the orange fluorophore TAMRA. This compound facilitates copper-catalyzed azide-alkyne cycloaddition (CuAAc) with alkyne-bearing molecules and can also participate in strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN-reactive partners. Its ability to efficiently form stable conjugates makes it an important tool for a wide range of applications, including bioconjugation, imaging, and cellular labeling in chemical biology research.

Cat. No.

A24775

CAS No.

146368-13-0

CY3 (Sulfo-Cyanine3)

Synonyms: Sulfo-Cyanine3

CY3 (Sulfo-Cyanine3) is a fluorescent dye characterized by its orange emission (λex=554, λem=568). This dye is widely utilized for labeling proteins and nucleic acids in various biological assays. Its strong fluorescent properties make it an ideal choice for applications in fluorescence microscopy, flow cytometry, and in situ hybridization. CY3 facilitates the visualization and analysis of molecular interactions within complex biological systems.

Cat. No.

A24776

CAS No.

210892-23-2

Cy5.5

Synonyms: Sulfo-Cyanine5.5

Cy5.5 is a cyanine fluorescent dye known for its long-wavelength absorption and emission properties. It features a high extinction coefficient and good water solubility, making it suitable for a variety of biological applications. Cy5.5 is commonly utilized for the labeling of proteins, antibodies, and small molecules, facilitating applications such as fluorescence microscopy, flow cytometry, and in vivo imaging. The straightforward labeling process through simple mixing reactions enhances its utility in various research settings.

Cat. No.

A24777

CAS No.

146368-11-8

CY5

Synonyms: Sulfo-Cyanine5

CY5 is a reactive dye that belongs to the Cyanine family, characterized by its long wavelength absorption and emission properties. Its high extinction coefficient and excellent water solubility make it ideal for bioconjugation applications. Commonly utilized for labeling proteins, antibodies, and small molecular compounds, CY5 enables efficient visualization and tracking in various biological assays. The labeling process can be performed through a straightforward mixing reaction, facilitating its use in diverse research settings.

Cat. No.

A24778

CAS No.

146368-14-1

CY5-SE

Synonyms: Cy5 NHS Ester; Sulfo-Cyanine5 Succinimidyl Ester

CY5-SE (Cy5 NHS Ester) is a reactive dye specifically designed for the labeling of amino groups in peptides, proteins, and oligonucleotides. This reagent facilitates efficient labeling reactions in the presence of minimal organic co-solvents, such as DMF or DMSO. CY5-SE is particularly suitable for cost-effective labeling of soluble proteins, peptides, and oligonucleotides, as well as for labeling small molecules in organic solvents. With an excitation wavelength of 649 nm and an emission wavelength of 670 nm, this dye is valuable for a range of fluorescence-based assays and applications in biochemical research.

Cat. No.

A24779

CAS No.

2764890-88-0

Halo tag TMR

HaloTag TMR is a red fluorescent dye designed for the specific labeling of HaloTag proteins. This compound consists of HaloTag ligand molecules conjugated with TMR (TAMRA), allowing for rapid and stable covalent binding with high specificity and affinity. With excitation and emission wavelengths of 550 nm and 576 nm, respectively, it is ideal for a range of biological applications, including live-cell imaging and protein localization studies.

Cat. No.

A24817

CAS No.

2351933-31-6

PS-SCOTfluor-12

PS-SCOTfluor-12 is a fluorescent probe designed for the imaging of lactic acid metabolism in living cells. With an excitation wavelength of 485 nm and an emission wavelength of 605 nm, it allows for the visualization of metabolic processes in real-time. This reagent is particularly valuable for studies in cancer research and other fields where lactic acid metabolism plays a critical role.

Cat. No.

A24818

CAS No.

2978635-30-0

DMANI

DMANI is a peroxynitrite fluorescent probe that employs an intramolecular charge transfer (ICT) mechanism for ratiometric detection. This probe selectively targets mitochondria, enabling the monitoring of mitochondrial peroxynitrite (ONOO−) levels in living cells. DMANI serves as a valuable tool for studying oxidative stress and related pathophysiological processes in cellular environments.

Cat. No.

A24866

CAS No.

152584-38-8

DND-189

DND-189 is a low-pH fluorescent probe that exhibits high sensitivity to neutral and acidic pH environments. This reagent is valuable for the quantification of pH levels within acidic organelles, enabling researchers to study intracellular pH dynamics in various biological contexts. Its unique properties make DND-189 an essential tool for applications in cellular imaging and pH monitoring.

Cat. No.

A24868

CAS No.

205391-01-1

4,5-Diaminofluorescein

Synonyms: DAF-2

4,5-Diaminofluorescein is a sensitive fluorescent detector that specifically targets nitric oxide (NO). This reagent exhibits robust fluorescence upon reaction with NO, enabling the visualization and measurement of NO levels in cells and tissues. It is widely used in research applications related to nitric oxide signaling, endothelial function, and various physiological processes.

Cat. No.

A24872

CAS No.

1445108-32-6

ER Tracker Yellow

Synonyms: BDNCA-346

ER Tracker Yellow is a temperature-sensitive fluorescent dye specifically designed to target the endoplasmic reticulum (ER). This probe exhibits exceptional temperature sensitivity of 3.9% per °C, with stable performance unaffected by pH or Ca2+ concentrations. It is ideal for real-time monitoring of local temperature changes in the ER, maintaining functionality in fixed cells. ER Tracker Yellow is compatible with a wide variety of cell lines and primary cells, including HeLa and MEF cells, making it a versatile tool for cellular research applications.