peptides

CY5-SE (Cy5 NHS Ester) is a reactive dye used to label amino groups in peptides, proteins and nucleotides. It needs to be stored away from light. Excitation wavelength (nm): 640, emission wavelength (nm): 664.

5(6)-Carboxyfluorescein (5-(and-6)-Carboxyfluorescein mixed isomers) contains a carboxylic acid that can be used to react with primary amines via carbodiimide activation of the carboxylic acid.

5-FAM SE is a single isomer widely employed in the preparation of various small fluorescent molecules. It is a highly popular green fluorescent reagent used for labeling peptides, proteins, and nucleotides [5-FAM SE].

CY5-SE triethylamine salt (Fluorolink Cy5 triethanolamine salt) is a hydrophilic amine-reactive fluorescent probe. It displays excitation/emission maxima of 646/662 nm, respectively. Cy5-SE-conjugated ligands have been used in the characterization of hematopoietic tumor microenvironments.

N-Hydroxysuccinimide (NHS) is a commonly employed activating ester in peptide chemistry and protein cross-linking, typically utilised to activate carboxyl groups for coupling with amine groups, serving as a key activating agent in bio-conjugate reactions.

6-FITC is a commonly used green fluorescent labeling dye and a fluorescein isothiocyanate derivative with excitation and emission wavelengths of 495 nm and 520 nm, respectively. 6-FITC can covalently bind to amino groups in proteins, antibodies, or peptides, making it suitable for a variety of applications, including flow cytometry, fluorescence microscopy, and tissue section staining. Since FITC itself is not cell-permeable, it is typically used to label surface antigens on live cells; however, it can also be used for intracellular protein detection after cell fixation or permeabilization.

Cy5 (Sulfo-Cyanine5) is a phalloidin dye used to label amino groups in peptides, proteins and oligonucleotides.

Cy2 is a cyanine dye used for labeling amino groups in oligonucleotides, peptides, and proteins (λ excitation: 488 nm; λ emission: 520 nm).

Cy2-SE (iodine) is a Cy2 derivative with excitation/emission wavelengths of 475/510 nm. Cy2 is an amine-reactive fluorophore commonly employed for fluorescent labelling of proteins and nucleic acids.

Cy2 (CY2 Non-Sulfonated) is a cyanine dye with long wavelength, tunable absorption and emission, high extinction coefficient and good water solubility. Cy2 can be used to label amino groups in oligonucleotides, peptides, and proteins.

Sulfo-Cy3 NHS ester is a sulphonated CY3 derivative and fluorophore dye with an Ex/Em of 550/570 nm. Sulfo-Cy3 NHS ester is an amine-reactive fluorescent probe commonly employed for labelling nucleic acids and proteins.

Sulfo-Cy3 NHS ester TEA (146368-16-3 free base) is a sulfonated cyanine-based fluorescent labeling reagent with an excitation wavelength of approximately 550 nm and an emission wavelength of approximately 570 nm. Sulfo-Cy3 NHS ester TEA can be used as an amine-reactive fluorescent probe for labeling biomolecules such as antibodies, proteins, peptides, and nucleic acid probes. Sulfo-Cy3 NHS ester TEA is also suitable for applications including immunofluorescence staining, in situ hybridization, and flow cytometry analysis.

CY3-YNE (Sulfo-Cyanine3-alkyne) is a dye labeled with a biomarker group alkyne, which can be used to label proteins, antibodies, peptides, nucleic acid molecules, and nanoparticles (Ex/Em: 554/566 nm).

Cyanine3 NHS Ester Chloride is an amine-reactive orange-red fluorescent dye and the NHS ester derivative of Cyanine3, supplied as a chloride salt. Its N-hydroxysuccinimide (NHS) ester reacts efficiently with primary amines on proteins, antibodies, or other biomolecules under neutral to slightly basic conditions, forming stable amide bonds. This dye is widely used for cellular labeling, flow cytometry, and biomolecular staining studies.

Cy5.5-SE is a CY5.5-derived dye. CY5.5 is an amine-reactive, near-infrared (NIR) fluorophore with Ex/Em = 675/695 nm, frequently employed for labelling nucleic acids and proteins.

CY5-SE Ditriethylamine salt is a reactive dye for the labeling of amino-groups in peptides, proteins, and oligonucleotides. Excitation (nm):649, Emission (nm): 670.

CY5-YNE is a CY5-derived dye. CY5 is an amine-reactive fluorophore with excitation/emission wavelengths of 650/670 nm, commonly used for labelling nucleic acids and proteins.

CY7-SE is a CY7-derived dye with excitation/emission wavelengths of 750/775 nm. CY7 (Sulfo-Cyanine7) is an amine-reactive near-infrared (NIR) fluorophore with excitation/emission wavelengths of 745/800 nm, suitable for in vivo imaging, flow cytometry, antibody labelling, and nucleic acid detection, among other applications.

CY7-SE Triethylamine is a fluorescence labeling agent (Ex=700-770 nm,Em=790 nm) used for labeling proteins, peptides, antibodies, and oligonucleotides.

Cy7-YNE is a Cy7 dye (Ex=700-770 nm, Em=770 nm) for click chemistry, containing an alkyne group that undergoes a CuAAc reaction with azide groups. CY7 is an amine-reactive, near-infrared (NIR) fluorophore commonly used for fluorescent labelling of proteins and nucleic acids.

CY7 (Sulfo-Cyanine7) is a fluorescence labeling agent (Ex=750 nm, Em=773 nm). Cy7 is used for labeling oligonucleotides, antibodies, peptides, and proteins.

Fluorescamine (Ro 20-7234) ( Ro 20-7234) is not fluorescent itself but reacts with primary amines to form highly fluorescent products. It is used to detect amines and peptides.

AF 488 maleimide, a thiol-reactive dye, efficiently labels protein SH groups and facilitates the attachment of the AF 488 fluorophore to proteins and peptides with cysteine residues or other thiolated molecules. It features an emission wavelength (λ em) of 520 nm and an excitation wavelength (λ ex) of 470 nm.

Sulfo-Cy7.5 NHS ester tripotassium, a near-infrared, water-soluble, hydrophilic dye, functions primarily as an NHS ester designed for amine group modification. This compound features a trimethylene bridge and includes a linker arm, facilitating its attachment to proteins, peptides, and various molecules. It is commonly utilized in research focused on NIR (near-infrared) imaging applications.