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.

PBlue is a blue fluorescent dye structurally identical to Pacific Blue™. Its bright fluorescence, high quantum yield, and strong signal at neutral pH make it an excellent choice for flow cytometry, fluorescence microscopy, and biomolecule labeling applications.

AF 700 TCO 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. AF 700 with trans-cyclooctene (TCO) readily reacts with tetrazines, reaction which is useful in low-concentration applications.

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. txRED with TCO readily reacts with tetrazines and possesses ultrafast kinetics, selectivity, and long-term aqueous stability, which is important in low-concentration applications such as protein-protein conjugations.

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. Cyanine 5.5 with TCO readily reacts with tetrazines and possesses ultrafast kinetics, selectivity, and long-term aqueous stability, which is important in low-concentration applications such as protein-protein conjugations.

Cyanine 5 TCO 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 TCO is perfect for a variety of imaging applications, including confocal microscopy, flow cytometry (FACS), and labeling cell cultures and tissues. Cyanine 5 with TCO readily reacts with tetrazines and possesses ultrafast kinetics, selectivity, and long-term aqueous stability

AT 590 TCO is a bright orange-fluorescent dye that is structurally identical to Atto 590. 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 with trans-cyclooctene (TCO) readily reacts with tetrazines, reaction which is useful in low-concentration applications.

AT 488 TCO is a bright green-fluorescent dye that is structurally identical to Atto 488. 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 with trans-cyclooctene (TCO) readily reacts with tetrazines, reaction which is useful in low-concentration applications.

AF 555 TCO is a bright yellow-fluorescent dye that is structurally identical to Alexa Fluor 555. 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 with trans-cyclooctene (TCO) readily reacts with tetrazines, reaction which is useful in low-concentration applications.

AF 647 TCO is a bright far-red-fluorescent dye that is structurally identical to Alexa Fluor 647 PEG5-Biotin. With its high photostability and pH resistance, it has become one of the most widely used fluorophores in life sciences. AF 647 with trans-cyclooctene (TCO) readily reacts with tetrazines, reaction which is useful in low-concentration applications.

AF 594 TCO is a bright red-fluorescent dye that is structurally identical to Alexa Fluor 594. 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 594 with trans-cyclooctene (TCO) readily reacts with tetrazines, reaction which is useful in low-concentration applications.

AF 568 TCO is a bright orange-fluorescent dye that is structurally identical to Alexa Fluor 568. 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 568 with trans-cyclooctene (TCO) readily reacts with tetrazines, reaction which is useful in low-concentration applications.

AF 488 TCO is a bright green-fluorescent dye that is structurally identical to Alexa Fluor 488. 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 with trans-cyclooctene (TCO) readily reacts with tetrazines, reaction which is useful in low-concentration applications.

AF 350 TCO is a blue fluorescent dye that is structurally identical to Alexa Fluor 350. With its high photostability and pH resistance, it is widely used in life science research. Its hydrophilic nature makes it an ideal choice for labeling sensitive proteins. AF 350 with trans-cyclooctene (TCO) readily reacts with tetrazines, reaction which is useful in low-concentration applications.