The molecule is a ketohexose monophosphate that is D-tagatopyranose in which the phosphono substituent is located at position 1. It derives from a D-tagatopyranose. It is a conjugate acid of a D-tagatopyranose 1-phosphate(2-).
[(3S,4S,5R)-2,3,4,5-tetrahydroxyoxan-2-yl]methyl dihydrogen phosphate