CAS Number: 109-99-9 Empirical Formula (Hill Notation): C4H8O Molecular Weight: 72.11 Beilstein Registry Number: 102391 EC Number: 203-726-88 MDL Number: MFCD00005356 Application Suitable for HPLC, spectrophotometry, environmental testing Packaging 1, 6×1, 2, 4, 4×4...