TELOS, The Electronic Library of Life Science, is an online catalog serving researchers and life science laboratories with a broad selection of research reagents, assays, and diagnostic products. Its offerings include antibodies, recombinant proteins, ELISA and other assay kits, PCR and DNA testing products, flow cytometry materials, enzymes, cells, culture media, and laboratory tools. Products cover a wide range of research areas, including immunology, neuroscience, microbiology, molecular biology, apoptosis, metabolism, infectious disease, and cancer-related research.

The catalog features antibodies and proteins for human and numerous animal and plant species, alongside specialized materials such as magnetic, fluorescent, and calibration particles. TELOS also lists clinical and testing products, including fertility and infection tests, COVID tests, and fluorescent immunoassay tests from SD Biosensor. Its assortment includes kits and reagents from named suppliers such as IBT Bioservices, Panbio, and BioVision.

Customers can browse by product type, species, application, and assay format, and use online account features such as wish lists, product comparisons, and recently viewed items