structural formula physical competition number 0291 molecular formula c4h8o4 molecular weight 120.11 label d-threose, sutang, threose numbering system physical property data toxicological data ecological data molecular structure data computing chemical data more properties and stability storage method synthesis method purpose numbering system cas number:95-43-2 mdl number:mfcd00043042 einecs number:202-418-0 rtecs number:none brn number:1721696 pubchem number:24900449 physical...