1.0 2026-04-04 18:11:51 UTC 2026-05-14 19:00:20 UTC Fidaxomicin SmallMolecule Fidaxomicin belongs to the macrolides and analogues, a class of phenylpropanoids and polyketides within the organic compounds. With an average molecular weight of 1,058 g/mol, Fidaxomicin is a heavy molecule with the formula C52H74Cl2O18. It is utilized within healthcare, pharmaceuticals, and veterinary products as an intestinal antiinfective, with oral exposure as the recorded route. In terms of biological activity, Fidaxomicin acts as an inhibitor of the RNA polymerase sigma factor SigA (sigA1). clostomicin B1 Dificid Fidaxomicin lipiarmycin A3 MFCD27976367 tiacumicin B UNII-Z5N076G8YQ C52H74Cl2O18 1058.05 1056.425221 873857-62-6 [H][C@@]1(O[C@@H]2[C@@H](CC)\C=C(C)\[C@@H](O)C\C=C\C=C(CO[C@@H]3O[C@H](C)[C@@H](OC(=O)C4=C(CC)C(Cl)=C(O)C(Cl)=C4O)[C@H](O)[C@@H]3OC)\C(=O)O[C@@H](C\C=C(/C)\C=C2/C)[C@@H](C)O)OC(C)(C)[C@@H](OC(=O)C(C)C)[C@H](O)[C@@H]1O InChI=1S/C52H74Cl2O18/c1-13-30-22-26(6)33(56)18-16-15-17-31(23-66-51-45(65-12)42(61)44(29(9)67-51)69-49(64)35-32(14-2)36(53)39(58)37(54)38(35)57)48(63)68-34(28(8)55)20-19-25(5)21-27(7)43(30)70-50-41(60)40(59)46(52(10,11)72-50)71-47(62)24(3)4/h15-17,19,21-22,24,28-30,33-34,40-46,50-51,55-61H,13-14,18,20,23H2,1-12H3 ZVGNESXIJDCBKN-UHFFFAOYSA-N Detected and Not Quantified Fidaxomicin Drug Metabolism Action Pathway SMP0144194 logp 8.56 average_mass 1058.05 ChemAxon mono_mass 1056.425221 ChemAxon smiles [H][C@@]1(O[C@@H]2[C@@H](CC)\C=C(C)\[C@@H](O)C\C=C\C=C(CO[C@@H]3O[C@H](C)[C@@H](OC(=O)C4=C(CC)C(Cl)=C(O)C(Cl)=C4O)[C@H](O)[C@@H]3OC)\C(=O)O[C@@H](C\C=C(/C)\C=C2/C)[C@@H](C)O)OC(C)(C)[C@@H](OC(=O)C(C)C)[C@H](O)[C@@H]1O ChemAxon formula C52H74Cl2O18 ChemAxon inchi InChI=1S/C52H74Cl2O18/c1-13-30-22-26(6)33(56)18-16-15-17-31(23-66-51-45(65-12)42(61)44(29(9)67-51)69-49(64)35-32(14-2)36(53)39(58)37(54)38(35)57)48(63)68-34(28(8)55)20-19-25(5)21-27(7)43(30)70-50-41(60)40(59)46(52(10,11)72-50)71-47(62)24(3)4/h15-17,19,21-22,24,28-30,33-34,40-46,50-51,55-61H,13-14,18,20,23H2,1-12H3 ChemAxon inchikey ZVGNESXIJDCBKN-UHFFFAOYSA-N ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f3bd00e7000> DB08874 46174142 8209640 BE0004732