3803 Asteltoxin Asteltoxin is a mycotoxin of Aspergillus stellatus and Emericella varicolor Asteltoxin belongs to the family of Furofurans. These are organic compounds containing a two furan rings fused to each other. 79663-49-3 6438150 C23H30O7 White powder. 130 - 132°C Oral, dermal, inhalation, and parenteral (contaminated drugs). (A3101) Asteltoxin inhibits mitochondrial respiration by affecting its energy transfer system. It does this by inhibiting Mg2+ and Na+/K+-ATPases. (A3002, A3003, A3031) LD50: 5.9 mg/kg (Intraperitoneal, Mouse) (A3031) No indication of carcinogenicity to humans (not listed by IARC). Asteltoxin is a mycotoxin produced by the fungi Aspergillus stellatus and Emericella variecolor. It can be found in contaminated corn crops. (A3031) Asteltoxin affects the central nervous system. (A3031) Asteltoxin can cause respiratory arrest and paralysis. (A3031) 2010-05-12T16:57:23Z 2026-04-06T11:17:57Z true [H]/C(=C(/[H])\C(\[H])=C(/[H])C1=C(C)C(OC)=CC(=O)O1)/C(/[H])=C(\[H])C1OC2OC(CC)C(C)(O)C2(C)C1O C23H30O7 InChI=1S/C23H30O7/c1-6-18-23(4,26)22(3)20(25)16(29-21(22)30-18)12-10-8-7-9-11-15-14(2)17(27-5)13-19(24)28-15/h7-13,16,18,20-21,25-26H,6H2,1-5H3/b8-7+,11-9+,12-10+ GPXPJKFETRLRAS-BGSVYHRFSA-N 418.4801 418.199153314 Exogenous Solid HMDB29464 CHEM002717 NS00121693 6-[(1E,3E,5E)-6-{5-ethyl-3,4-dihydroxy-3a,4-dimethyl-hexahydrofuro[2,3-b]furan-2-yl}hexa-1,3,5-trien-1-yl]-4-methoxy-5-methyl-2H-pyran-2-one