The molecule is a primary ammonium ion resulting from the protonation of the amino group of aldehydo-D-kanosamine(1+). It is a primary ammonium ion and an organic cation. It is a conjugate acid of an aldehydo-D-kanosamine.
[(2R,3S,4S,5R)-2,4,5,6-tetrahydroxy-1-oxohexan-3-yl]azanium