1-Ketopropionaldehyde 2-Ketopropionaldehyde 2-Oxopropanal 2-Oxopropionaldehyde 4-01-00-03631 (Beilstein Handbook Reference) 78-98-8 Acetalformaldehyde Acetylformaldehyde Acetylformyl BRN 0906750 CCRIS 1741 EINECS 201-164-8 FEMA No. 2969 Glyoxal, methyl METHYL GLYOXAL Methylglyoxal NSC 337790 NSC 626580 NSC 79019 Propanal, 2-oxo- Propanedione Propanolone Propionaldehyde, 2-keto Propionaldehyde, 2-oxo- Pyroracemic aldehyde Pyruvaldehyde Pyruvic aldehyde alpha-Ketopropionaldehyde alpha-Ketopropionic aldehyde