Erlotinib-d6 (CP-358774 D6) is a deuterium labeled Erlotinib (CP-358774). Erlotinib is a directly acting inhibitor EGFR tyrosine kinase inhibitor with an IC50 of 2 nM for human EGFR[1]. Erlotinib-d6 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
[1] Moyer JD, et al. Induction of apoptosis and cell cycle arrest by CP-358,774, an inhibitor of epidermal growth factor receptor tyrosine kinase. Cancer Res. 1997, 57(21), 4838-4848. PMID:9354447