4088 Brevetoxin B2 Brevetoxin (PbTx), or brevetoxins, are a suite of cyclic polyether compounds produced naturally by a species of dinoflagellate known as Karenia brevis. Brevetoxins are neurotoxins that bind to voltage-gated sodium channels in nerve cells, leading to disruption of normal neurological processes and causing the illness clinically described as neurotoxic shellfish poisoning (NSP). 56928153 C50H70O14 White powder. No indication of carcinogenicity to humans (not listed by IARC). Brevetoxin (PbTx), or brevetoxins, are a suite of cyclic polyether compounds produced naturally by a species of dinoflagellate known as Karenia brevis. Brevetoxins are neurotoxins that bind to voltage-gated sodium channels in nerve cells, leading to disruption of normal neurological processes and causing the illness clinically described as neurotoxic shellfish poisoning (NSP). 2014-08-29T04:49:35Z 2026-05-21T00:19:29Z Brevetoxin C20014 true C[C@@H]1C[C@@H]2O[C@@H]3C[C@@H]4OC(=O)C=C(C)[C@H]4O[C@@]3(C)C[C@H]2O[C@H]2CC[C@@]3(C)O[C@@]4(C)C[C@H]5O[C@H]6C[C@H]7O[C@@]8(C)[C@@H](O)C[C@@H](CC(=C)C=O)O[C@@H]8C[C@@H]7O[C@@H]6\C=C/C[C@]5(C)O[C@@H]4C[C@@H]3O[C@H]12 C50H70O14 InChI=1S/C50H70O14/c1-25(24-51)14-28-17-37(52)50(8)41(54-28)19-33-34(61-50)18-32-29(55-33)10-9-12-46(4)42(58-32)23-49(7)40(62-46)21-39-47(5,64-49)13-11-30-44(60-39)26(2)15-31-36(56-30)22-48(6)38(57-31)20-35-45(63-48)27(3)16-43(53)59-35/h9-10,16,24,26,28-42,44-45,52H,1,11-15,17-23H2,2-8H3/b10-9-/t26-,28-,29-,30+,31+,32+,33+,34-,35+,36-,37+,38-,39+,40-,41-,42-,44-,45-,46+,47-,48+,49+,50+/m1/s1 LYTCVQQGCSNFJU-FGRVLNGBSA-N 895.0824 894.476556948 Exogenous Solid 9041149 CHEM002994 DTXSID20879997 NS00075592 155.9 230.11659999999995 101.86991576571691 3 13 1 13.836735719274277 -3.307595236702076 0 11 3.41 -5.44 3.28e-03 g/l