CID is 650
synonyms found at PubChem are:
2,3-butanedione, diacetyl, biacetyl, Butane-2,3-dione, 431-03-8, dimethylglyoxal, 2,3-diketobutane, Dimethyl glyoxal, Butanedione, dimethyl diketone, 2,3-Butadione, 2,3-dioxobutane, Glyoxal, dimethyl-, 2,3-butandione, Diacetyl (natural), Butan-2,3-dione, CCRIS 827, FEMA No. 2370, HSDB 297, NSC 8750, 2.3-butanedione, UNII-K324J5K4HM, UN2346, AI3-03313, EINECS 207-069-8, BRN 0605398, K324J5K4HM, CHEBI:16583, QSJXEFYPDANLFS-UHFFFAOYSA-N, Butanedione [UN2346] [Flammable liquid], 2,3-Butanedione-13C2, Biacetyl; BDM, 2,3 butandione, Buta-2,3-dione, Lopac-D-3634, Butanedione [UN2346], ACMC-1AE2K, DSSTox_CID_1583, 2,3-Butanedione, 97%, AC1L19PK, DSSTox_RID_76219, DSSTox_GSID_21583, Lopac0_000387, 4-01-00-03644 (Beilstein Handbook Reference), Diacetyl, natural, >=95%, KSC235Q7P, WLN: 1VV1, (CH3CO)2, CHEMBL365809, SGCUT00113, DTXSID6021583, 2,3-Butanedione (8CI,9CI), BDBM22725, CTK1D5877, KS-00000VRZ, NSC8750, MolPort-001-768-865, HMS3261M15, NSC-8750, to_000005, ZINC1532732, Tox21_201218, Tox21_500387, ANW-41516, BBL027725, LMFA12000012, LS-116, MFCD00008756, 2,3-Butanedione, analytical standard, AKOS000118816, AN-1414, CCG-204481, LP00387, MCULE-5742661187, RP18441, RTR-016761, NCGC00015336-01, NCGC00015336-02, NCGC00015336-03, NCGC00015336-04, NCGC00015336-05, NCGC00015336-06, NCGC00090746-01, NCGC00090746-02, NCGC00090746-03, NCGC00258770-01, NCGC00261072-01, CAS-431-03-8, KB-16658, R557, DB-003226, TR-016761, B0682, Butanedione [UN2346] [Flammable liquid], EU-0100387, FT-0609502, FT-0663924, C00741, D 3634, 57419-EP2275409A1, 57419-EP2275422A1, 57419-EP2289483A1, 57419-EP2298755A1, 57419-EP2308878A2, 157009-EP2283898A1, A826155, SR-01000075811, I14-1154, InChI=1/C4H6O2/c1-3(5)4(2)6/h1-2H, SR-01000075811-1, DEE64962-0BD5-454C-8BDA-FDBD33C47181, F0001-1188, 151677-70-2, BUO