Anti-Claudin-18, AlpHcAbs Human antibody is designed for detecting human Claudin-18 specifically. Anti-Claudin-18, AlpHcAbs Human antibody is recombinant VHH domain of alpaca IgG2b/2c fused to Human IgG1 Fc. Based on ELISA, Anti-Claudin-18, AlpHcAbs Human antibody reacts with human Claudin-18, and has reactivity with cynomolgus Claudin-18.