Vari Fluor 555-Streptavidin is a dye from the Vari Fluor series, designed by labeling streptavidin with fluorescent probes. Streptavidin is a tetrameric protein with high affinity, comprised of four identical subunits, and it can specifically bind to biotin through reversible non-covalent interactions. This property allows streptavidin to enable the rapid and efficient detection of biotin-labeled molecules, making it a valuable tool in experiments such as immunofluorescence (IF), enzyme-linked immunosorbent assays (ELISA), immunohistochemical staining (IFH), and in situ hybridization. The excitation/emission wavelengths are 555 nm/565 nm.

Cy3-PEG-SH (MW 1000) is a fluorescent labeling reagent that consists of Cy3 dye, polyethylene glycol (PEG), and a thiol group (SH), making it suitable for molecular conjugation. The SH group is highly reactive and can form stable thioether bonds by reacting with various functional groups such as maleimide.

Cy5.5-PEG-SH (MW 1000) is a fluorescent labeling reagent composed of Cy5.5 dye with polyethylene glycol (PEG) and a thiol (SH) group, ideal for molecular conjugation. The SH group is highly reactive, capable of forming stable thioether bonds with various functional groups such as maleimide.

Cy5.5-PEG-NH2 (MW 2000) is a polyethylene glycol derivative that integrates the Cy5.5 fluorescent dye, polyethylene glycol (PEG), and an amino group. The Cy5.5 fluorophore is commonly utilized in applications such as immunolabeling and nucleic acid labeling, with a maximum emission wavelength of approximately 710 nm. This compound is applicable in fluorescence imaging, fluorescent tracing, and fluorescent labeling.

Cy3-PEG-NH2 (MW 5000) is a polyethylene glycol derivative that contains a Cy3 fluorescent dye, polyethylene glycol (PEG), and an amine group. The Cy3 fluorophore is commonly utilized in applications such as immunolabeling, nucleic acid labeling, fluorescence microscopy, and flow cytometry. The maximum emission wavelength for Cy3 is approximately 562-570 nm. Cy3-PEG-NH2 (MW 5000) is suitable for applications in fluorescence imaging, fluorescent tracing, and fluorescent labeling.

Cy3-PEG-Thiol is a near-infrared fluorescent labeling agent that integrates the Cy3 fluorescent dye, polyethylene glycol (PEG), and a thiol (SH) group, making it suitable for molecular conjugation. It absorbs at 550 nm and is characterized by high solubility and terminal substitution rate.

Cy5.5-PEG-SH (MW 3400) is a fluorescent labeling reagent consisting of the Cy5.5 fluorescent dye, polyethylene glycol (PEG), and a thiol (SH) group, making it suitable for molecular conjugation. The SH group is highly reactive, allowing it to form stable thioether bonds with various functional groups, such as maleimide.

Cy3-PEG-NH2 is a polyethylene glycol (PEG) derivative that incorporates a Cy3 fluorescent dye and an amino group. The Cy3 fluorophore is commonly utilized in applications such as immunolabeling, nucleic acid labeling, fluorescence microscopy, and flow cytometry. Its maximum emission wavelength ranges from approximately 562 to 570 nm. Cy3-PEG-NH2 is applicable for fluorescence imaging, fluorescent tracing, and fluorescent labeling.

Cy5.5-PEG-NH2 (MW 10000) is a polyethylene glycol derivative that includes Cy5.5 fluorescent dye, polyethylene glycol (PEG), and an amino group. This compound is commonly employed in applications such as immunolabeling and nucleic acid labeling. Cy5.5 has a peak emission wavelength of approximately 710 nm and is suitable for use in fluorescence imaging, fluorescent tracing, and fluorescent labeling.

SulfoCy5.5-hydrazide sodium is a derivative of the Cy5.5 dye that contains a hydrazine functional group. The hydrazide group in SulfoCy5.5-hydrazide sodium can react with molecules containing aldehyde or ketone groups to form a hydrazone linkage, resulting in a covalent bond.

Cy3-PEG-NH2 (MW 3400) is a polyethylene glycol derivative that includes Cy3 fluorescent dye, polyethylene glycol (PEG), and an amino group. The Cy3 fluorophore is commonly applied in immunolabeling, nucleic acid labeling, fluorescence microscopy, and flow cytometry. It has a peak emission wavelength of approximately 562-570 nm. Cy3-PEG-NH2 (MW 3400) can be utilized for fluorescence imaging, fluorescent tracing, and fluorescent labeling.

Cy5.5-PEG-SH (MW 5000) is a fluorescent labeling agent incorporating Cy5.5 dye, polyethylene glycol (PEG), and a thiol group (SH), designed for molecular conjugation. The thiol group is highly reactive and can form stable thioether bonds by reacting with various functional groups, such as maleimide.

Cy5-PEG-SH (MW 2000) is a fluorescent labeling reagent that includes Cy5 fluorescent dye, polyethylene glycol (PEG), and a thiol group (SH), and is ideal for molecular conjugation. The high reactivity of the SH group enables it to form stable thioether bonds with various functional groups, such as maleimide.

BDP 558/568 hydrazide is a BDP dye linker featuring a terminal hydrazine group, designed for detection at longer wavelengths.

Cy3-PEG-SH (MW 5000) is a fluorescent labeling reagent composed of Cy3 fluorescent dye, polyethylene glycol (PEG), and a thiol group (SH), suitable for molecular conjugation. The SH group is highly reactive and can form stable thioether bonds by reacting with various functional groups such as maleimide.

Cy3-PEG-SH (MW 3400) (Cy3-PEG-Thiol) is a near-infrared fluorescent labeling reagent that combines Cy3 fluorescent dye, polyethylene glycol (PEG), and thiol (SH) polyethylene glycol derivative for molecular conjugation. This compound absorbs at a wavelength of 550 nm and features high solubility and terminal substitution rate.

Cy5.5-PEG-SH (MW 10000) is a fluorescent labeling reagent that includes Cy5.5 fluorescent dye, polyethylene glycol (PEG), and a thiol group (SH), making it suitable for molecular conjugation. The highly reactive SH group can form stable thioether bonds by reacting with various functional groups such as maleimide.

Cy3-PEG-NH2 (MW 10000) is a polyethylene glycol derivative that features a Cy3 fluorescent dye, polyethylene glycol (PEG), and an amino group. The Cy3 fluorophore is commonly utilized in applications such as immunolabeling, nucleic acid labeling, fluorescence microscopy, and flow cytometry. Its peak emission wavelength ranges from approximately 562 to 570 nm. Cy3-PEG-NH2 (MW 10000) can be employed for fluorescence imaging, fluorescent tracing, and fluorescent labeling.

Cy5-PEG-SH (MW 10000) is a fluorescent labeling reagent that includes the Cy5 fluorophore, polyethylene glycol (PEG), and a thiol group (SH), making it suitable for molecular conjugation. The SH group is highly reactive and can form stable thioether bonds by reacting with various functional groups, such as maleimide.

Cy3-PEG-SH (MW 10000) (Cy3-PEG-Thiol) is a near-infrared fluorescent labeling reagent that integrates Cy3 fluorescent dye, polyethylene glycol (PEG), and thiol (SH) polyethylene glycol derivatives, making it suitable for molecular conjugation. It absorbs at a wavelength of 550 nm and offers high solubility and terminal substitution efficiency.

Cy5.5-PEG-NH2 (MW 1000) is a polyethylene glycol derivative that incorporates a Cy5.5 fluorescent dye, polyethylene glycol (PEG), and an amine group. The Cy5.5 fluorophore is commonly utilized in applications such as immunolabeling and nucleic acid labeling. It has a peak emission wavelength of approximately 710 nm. Cy5.5-PEG-NH2 (MW 1000) is suitable for use in fluorescence imaging, tracking, and labeling.

Cy5.5-PEG-NH2 (MW 5000) is a polyethylene glycol derivative that includes a Cy5.5 fluorescent dye, polyethylene glycol (PEG), and an amino group. The Cy5.5 fluorophore is commonly applied in immunolabeling and nucleic acid labeling. Its maximum emission wavelength is approximately 710 nm. Cy5.5-PEG-NH2 (MW 5000) is suitable for fluorescence imaging, fluorescence tracing, and fluorescent labeling.

Sulfo Cy7 bis-SH is a fluorescent dye that incorporates a sulfonated Cyanine7 (Sulfo-CY7) dye and thiol (-SH) functional groups. The highly reactive SH groups can form stable thioether bonds through reactions with various functional groups, such as maleimide.

Cy7 hydrazide is a derivative of Cy7 dye featuring a hydrazide functional group. This hydrazide group can react with aldehyde- or ketone-containing molecules to form hydrazone linkages, resulting in covalent bonds.