2573 Arenobufagin Arenobufagin is a cardiotoxic bufanolide steroid secreted by the Argentine toad (Bufo arenarum). It blocks the sodium/potassium pump in heart tissue. (L1078) 464-74-4 10051 C24H32O6 416.219890 White powder. Injection (sting/bite) (L1814) ; inhalation (smoking) (L1810) Arenobufagin blocks the sodium/potassium pump in heart tissue. (L1078) No indication of carcinogenicity to humans (not listed by IARC). Arenobufagin is secreted by the Argentine toad (Bufo arenarum). (L1078) Arenobufagin is cardiotoxic. (L1078) Symptoms include nausea, vomiting, anorexia, diarrhoea, abdominal pain, wild hallucinations, delirium, and severe headache. Depending on the severity the victim may later suffer irregular and slow pulse, tremors, various cerebral disturbances, especially of a visual nature, convulsions, and deadly disturbances of the heart such as heart block, brachycardia, or tachycardia. (L1078, L1084) 2009-07-03T22:19:14Z 2014-12-24T20:25:40Z C055393 Arenobufagin true CC12C(CCC1(O)C1CCC3CC(O)CCC3(C)C1C(O)C2=O)C1=COC(=O)C=C1 C24H32O6 InChI=1S/C24H32O6/c1-22-9-7-15(25)11-14(22)4-5-17-19(22)20(27)21(28)23(2)16(8-10-24(17,23)29)13-3-6-18(26)30-12-13/h3,6,12,14-17,19-20,25,27,29H,4-5,7-11H2,1-2H3 InChIKey=JGDCRWYOMWSTFC-UHFFFAOYSA-N 416.5073 416.219888756 Exogenous Solid