No.40834-42-2 Attribute Details Chemical Name 5-Hydroxy-4-Methyl-2(5H)Furanone CAS Number 40834-42-2 Other Names 4-Methyl-5-hydroxyfuran-2-one; 3-Methyl-4-hydroxybutenoic acid lactone; Cyclic compound; Isotretinoin cyclic intermediate Molecular Formula C5H6O3 Molecular Weight …