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 PEG4-Azide 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. The PEG4 linker works great for in-cell labeling.

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. PEG4 spacer improves accessibility to binding partners in click chemistry and reduces nonspecific interactions with hydrophobic surfaces/proteins. It makes it better for in-cell labeling, protein conjugation, or any application where spatial flexibility, solubility, or reduced nonspecific binding is critical.

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. PEG4 spacer improves accessibility to binding partners in click chemistry and reduces nonspecific interactions with hydrophobic surfaces/proteins. It makes it better for in-cell labeling, protein conjugation, or any application where spatial flexibility, solubility, or reduced nonspecific binding is critical.

Cyanine 5 PEG4-Azide 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 PEG4-Azide is perfect for a variety of imaging applications, including confocal microscopy, flow cytometry (FACS), and labeling cell cultures and tissues. PEG4 spacer improves accessibility to binding partners in click chemistry and reduces nonspecific interactions with hydrophobic surfaces/proteins.

AT 590 PEG4-Azide 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. Conjugates of molecules with AT 590 have high brightness and photostability and are commonly used in flow cytometry and microscopy. The PEG4 linker works great for in-cell labeling.

AT 488 PEG4-Azide 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. Conjugates of molecules with AT 488 have high brightness and photostability and are commonly used in flow cytometry and microscopy. The PEG4 linker works great for in-cell labeling.

AF 555 PEG4-Azide 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. Conjugates of molecules with AF 555 have high brightness and photostability and are commonly used in flow cytometry and microscopy. The PEG4 linker works great for in-cell labeling.

AF 647 PEG4-Azide is a bright far-red-fluorescent dye that is structurally identical to Alexa Fluor 647 PEG4-Azide. With its high photostability and pH resistance, it has become one of the most widely used fluorophores in life sciences. The PEG4 linker works great for in-cell labeling.

AF 594 PEG4-Azide 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. The PEG4 linker works great for in-cell labeling.

AF 568 PEG4-Azide 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. The PEG4 linker works great for in-cell labeling.

AF 488 PEG4-Azide 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. Conjugates of molecules with AF 488 have high brightness and photostability and are commonly used in flow cytometry and microscopy. The PEG4 linker works great for in-cell labeling.

AF 350 PEG4 Azide 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. Conjugates of molecules with AF 350 have high brightness and photostability and are commonly used in flow cytometry and microscopy. The PEG4 linker works great for in-cell labeling.