H2NCO2H

Carbamic Car*bam"ic (k[aum]r*b[a^]m"[i^]k), a. [Carbon + amido.] (Chem.) Pertaining to an acid so called. [1913 Webster]

{Carbamic acid} (Chem.), an amido acid, {H2N.CO2.H}, not existing in the free state, but occurring as a salt of ammonium in commercial ammonium carbonate; -- called also {amido formic acid}. [1913 Webster]