Our fluorescent dyes offer exceptional brightness, photostability, and versatility for your research. With identical structure to Alexa Fluor, Atto or Cy dyes, they provide the same spectral properties, quality, and reliability for a wide range of fluorescence-based applications. Whether you need precise antibody labeling, confocal and super resolution microscopy or sensitive flow cytometry detection, our fluorescent dyes ensure complete compatibility with existing protocols.

AF 488-NHS Ester is a bright green-fluorescent dye that is structurally identical to Alexa Fluor 488 with NHS Ester attached. With its high photostability and pH resistance, it has become one of the most widely used fluorophores in life sciences. Its hydrophilic nature makes it an ideal choice for labeling sensitive proteins. AF 488-NHS Ester is perfect for a variety of imaging applications, including confocal microscopy, flow cytometry (FACS), and labeling cell cultures and tissues.

AF 568-NHS Ester is a bright orange-fluorescent dye that is structurally identical to Alexa Fluor 568 with NHS Ester attached. With its high photostability and pH resistance, it has become one of the most widely used fluorophores in life sciences. AF 568-NHS Ester can be conjugated with proteins and peptides, it is recommended for stable signal generation in imaging, including Western Blotting, fluorescence microscopy, and flow cytometry.

AF 594 NHS Ester is a bright red-fluorescent dye that is structurally identical to Alexa Fluor 594 NHS Ester. With its high photostability and pH resistance, it has become one of the most widely used fluorophores in life sciences. AF 594 with NHS Esteris used for labeling proteins, peptides, antibodies, and any molecules containing an -NH2 group it results in the formation of stable amide bonds between the dye and the target molecule.

AF 647 NHS Ester is a bright far-red-fluorescent dye that is structurally identical to Alexa Fluor 647 NHS Ester. With its high photostability and pH resistance, it has become one of the most widely used fluorophores in life sciences. AF 647 with NHS Ester is widely applied for imaging and flow cytometry.

AF 555-NHS Ester is a bright yellow-fluorescent dye that is structurally identical to Alexa Fluor 555 with NHS Ester attached. With its high photostability and pH resistance, it has become one of the most widely used fluorophores in life sciences. Its hydrophilic nature makes it an ideal choice for labeling sensitive proteins. AF 555-NHS Ester is perfect for a variety of imaging applications, including confocal microscopy, flow cytometry (FACS), and labeling cell cultures and tissues.

AT 488 NHS Ester is a bright green-fluorescent dye that is structurally identical to Atto 488 with NHS Ester attached. With its high photostability and pH resistance, it has become one of the most widely used fluorophores in life sciences. Its hydrophilic nature makes it an ideal choice for labeling sensitive proteins. AT 488 NHS Ester is perfect for a variety of imaging applications, including confocal microscopy, flow cytometry (FACS), and labeling cell cultures and tissues.

Cyanine 5 is a far-red fluorescent dye that is structurally identical to Cy5. With its high photostability and quantum yield for single-molecule applications, it has become one of the most widely used fluorophores in life sciences. Cyanine 5 is perfect for a variety of imaging applications, including confocal microscopy, flow cytometry (FACS), and labeling cell cultures and tissues. With the NHS Ester you can label amine groups in proteins, peptides, amino-modified oligos, and other target molecules.

Cyanine 5.5 is a near infrared (NIR) fluorescent dye that is structurally identical to Cy5.5. Known for its exceptionally high extinction coefficient and emission in the NIR spectrum, it is a premier choice for researchers needing to push beyond the limits of standard visible fluorophores. With the NHS Ester you can label amine groups in proteins, peptides, amino-modified oligos, and other target molecules.

txRED is an orange-red fluorescent dye that is structurally identical to Texas Red-X™. With its high photostability and quantum yield for single-molecule applications, it has become one of the most widely used fluorophores in life sciences. txRED is perfect for a variety of imaging applications, including confocal microscopy, flow cytometry (FACS), and labeling cell cultures and tissues. With the NHS Ester you can label amine groups in proteins, peptides, amino-modified oligos, and other target molecules.

AT 590 NHS Ester is a bright orange-fluorescent dye that is structurally identical to Atto 590 with NHS Ester attached. With its high photostability and pH resistance, it has become one of the most widely used fluorophores in life sciences. Its hydrophilic nature makes it an ideal choice for labeling sensitive proteins. AT 590 NHS Ester is perfect for a variety of imaging applications, including confocal microscopy, flow cytometry (FACS), and labeling cell cultures and tissues.

AF 700 NHS Ester is near-infrared fluorescent dye that is structurally identical to Alexa Fluor 700. Its excellent photostability and low background fluorescence make it well suited for multicolor flow cytometry and other fluorescence-based applications. AF 700 is excited by standard 633-640 nm red lasers and enables sensitive detection while preserving visible-spectrum channels for multiplex experiments.