4446 Brevetoxin B1 Brevetoxin B1 is a polyether marine toxin from benthic dinoflagellate amphidinium Species, Austrovenus stutchburyi. 10396247 C52H75NO17S White powder. No indication of carcinogenicity to humans (not listed by IARC). Brevetoxin B1 is a polyether marine toxin from benthic dinoflagellate amphidinium Species, Austrovenus stutchburyi. 2014-08-29T06:50:52Z 2026-04-06T12:15:49Z C20013 true [H]\C1=C([H])\[C@@]2([H])O[C@@]3([H])C[C@@]4([H])O[C@]([H])(CC(=C)C(O)=NCCS(O)(=O)=O)C[C@]([H])(O)[C@]4(C)O[C@]3([H])C[C@]2([H])O[C@]2([H])C[C@]3(C)O[C@]4(C)CC[C@]5([H])O[C@]6([H])C[C@]7(C)O[C@]8([H])C(C)=CC(=O)O[C@@]8([H])C[C@@]7([H])O[C@@]6([H])C[C@@]([H])(C)[C@@]5([H])O[C@@]4([H])C[C@@]3([H])O[C@@]2(C)C1 C52H75NO17S InChI=1S/C52H75NO17S/c1-26-17-32-37(24-50(6)39(63-32)22-36-46(69-50)27(2)18-44(55)65-36)62-31-11-13-49(5)40(66-45(26)31)23-41-51(7,70-49)25-43-48(4,68-41)12-9-10-30-33(64-43)20-35-34(61-30)21-42-52(8,67-35)38(54)19-29(60-42)16-28(3)47(56)53-14-15-71(57,58)59/h9-10,18,26,29-43,45-46,54H,3,11-17,19-25H2,1-2,4-8H3,(H,53,56)(H,57,58,59)/b10-9-/t26-,29-,30-,31+,32+,33+,34+,35-,36+,37-,38+,39-,40+,41-,42-,43-,45-,46-,48+,49-,50+,51+,52+/m1/s1 LUNOZQKEODBLAF-BTMAFXPRSA-N 1018.213 1017.475570669 Exogenous Solid 8571686 CHEM003352 NS00123312 225.78999999999988 252.9688999999999 113.43073195909415 6 17 3 -1.436942756567638 4.219882072581122 -1 11 2.51 -4.85 1.45e-02 g/l