1.0 2026-03-31 20:39:59 UTC 2026-08-31 03:28:54 UTC Cephamycin B SmallMolecule Cephamycin B is an organoheterocyclic compound with the formula C25H29N3O11S1. Cephamycin B belongs to the beta lactams, a subclass of lactams within the organic compounds. With an average molecular weight of 579.60 g/mol, Cephamycin B is a heavy molecule. This compound is found in healthcare, pharmaceuticals, and veterinary products as an antibiotic. Recorded exposure routes for Cephamycin B include inhalation and oral administration. (6R,7S)-7-{[(5R)-5-Amino-5-carboxypentanoyl]amino}-3-({[(2Z)-3-(4-hydroxyphenyl)-2-methoxy-2-propenoyl]oxy}methyl)-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(5R)-5-amino-5-carboxy-1-oxopentyl]amino]-3-[[[(2Z)-3-(4-hydroxyphenyl)-2-methoxy-1-oxo-2-propen-1-yl]oxy]methyl]-7-methoxy-8-oxo-, (6R,7S)- Cephamycin B C25H29N3O11S1 579.15228 34279-77-1 CO/C(=C\C1=CC=C(C=C1)O)/C(=O)OCC2=C(N3[C@@H]([C@@](C3=O)(NC(=O)CCC[C@H](C(=O)O)N)OC)SC2)C(=O)O InChI=1S/C25H29N3O11S/c1-37-17(10-13-6-8-15(29)9-7-13)22(35)39-11-14-12-40-24-25(38-2,23(36)28(24)19(14)21(33)34)27-18(30)5-3-4-16(26)20(31)32/h6-10,16,24,29H,3-5,11-12,26H2,1-2H3,(H,27,30)(H,31,32)(H,33,34)/b17-10-/t16-,24-,25+/m1/s1 BVOBPJWSXSKGOO-MYWSHXOVSA-N Detected and Not Quantified logp -1.8 mono_mass 579.15228 ChemAxon smiles CO/C(=C\C1=CC=C(C=C1)O)/C(=O)OCC2=C(N3[C@@H]([C@@](C3=O)(NC(=O)CCC[C@H](C(=O)O)N)OC)SC2)C(=O)O ChemAxon formula C25H29N3O11S1 ChemAxon inchi InChI=1S/C25H29N3O11S/c1-37-17(10-13-6-8-15(29)9-7-13)22(35)39-11-14-12-40-24-25(38-2,23(36)28(24)19(14)21(33)34)27-18(30)5-3-4-16(26)20(31)32/h6-10,16,24,29H,3-5,11-12,26H2,1-2H3,(H,27,30)(H,31,32)(H,33,34)/b17-10-/t16-,24-,25+/m1/s1 ChemAxon inchikey BVOBPJWSXSKGOO-MYWSHXOVSA-N ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f3bbfe86050> 6912218 5288572