Anti-IGF-1R, AlpHcAbs Human antibody is designed for detecting human IGF-1R specifically. Anti-IGF-1R, AlpHcAbs Human antibody is recombinant VHH domain of alpaca IgG2b/2c fused to Human IgG1 Fc. Based on ELISA, Anti-IGF-1R, AlpHcAbs Human antibody reacts with human IGF-1R, and has reactivity with cynomolgus IGF-1R.