1341-45-3 2,3-PENTANEDIONE 2,3-Pentadione 4-01-00-03660 (Beilstein Handbook Reference) 600-14-6 Acetyl propionyl Acetyl propionyl (natural) Acetylpropionyl Acetylpropionyl (VAN) BRN 1699638 CCRIS 2946 EINECS 209-984-8 FEMA No. 2841 NSC 7613