Fluorescent Dyes and Quenchers

Vector Laboratories offers a diverse range of fluorescent dyes and quenchers, including affordable alternatives to industry-leading brands. Covering the full spectrum from UV to near-infrared, our dyes feature exceptional brightness, photostability, and a variety of reactive groups. These versatile reagents enable effective conjugation to biomolecules like antibodies, peptides, and oligonucleotides.

Backed by a robust quality system and innovative solutions like dPEG® technology for enhanced solubility, our dyes deliver sensitivity, reproducibility, and robust performance for applications such as immunofluorescence, flow cytometry, and multiplex imaging. For more information on our fluorescent dyes, including a dye selector tool, AZ Dyes™ vs. Alexa Fluor® comparison, and published applications, visit our fluorophores page.