1.0 2026-03-31 20:39:01 UTC 2026-05-20 19:26:49 UTC Cefempidone SmallMolecule Cefempidone is an organoheterocyclic compound with the formula C22H22N7O6S2. Cefempidone belongs to the beta lactams, a subclass of lactams within the organic compounds. With an average molecular weight of 543.57 g/mol, Cefempidone is a heavy molecule. This compound is found in or released from one recorded source: healthcare, pharmaceuticals & veterinary products, specifically as an antibiotic. Recorded exposure routes for this substance include inhalation and oral administration. (6R,7R)-7-(((2E)-2-(2-Amino-1,3-thiazol-5-yl)-2-(((2-oxo-3-pyrrolidinyl)oxy)imino)acetyl)amino)-8-oxo-3-(1-pyridiniumylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate (6R,7R)-7-{[(2E)-2-(2-Amino-1,3-thiazol-5-yl)-2-{[(2-oxo-3-pyrrolidinyl)oxy]imino}acetyl]amino}-8-oxo-3-(1-pyridiniumylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Cefempidone Pyridinium, 1-[[(6R,7R)-7-[[(2E)-2-(2-amino-5-thiazolyl)-1-oxo-2-[[(2-oxo-3-pyrrolidinyl)oxy]imino]ethyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-, inner salt UNII:3YUZ4494BQ C22H22N7O6S2 543.57 544.107298 103238-57-9;103238-57-9 NC1=NC=C(S1)C(=N/OC1CCNC1=O)C(=O)N[C@H]1[C@H]2SCC(C[N+]3=CC=CC=C3)=C(N2C1=O)C([O-])=O InChI=1S/C22H21N7O6S2/c23-22-25-8-13(37-22)14(27-35-12-4-5-24-17(12)30)18(31)26-15-19(32)29-16(21(33)34)11(10-36-20(15)29)9-28-6-2-1-3-7-28/h1-3,6-8,12,15,20H,4-5,9-10H2,(H4-,23,24,25,26,27,30,31,33,34)/t12?,15-,20-/m1/s1 CUCFRCCRYQDMNM-PXIRVSTKSA-N Organic compounds Organoheterocyclic compounds Lactams Beta lactams Cephalosporins 1,3-thiazines 2,5-disubstituted thiazoles 2-amino-1,3-thiazoles Amino acids Azacyclic compounds Azetidines Carbonyl compounds Carboxylic acid salts Carboxylic acids Dialkylthioethers Heteroaromatic compounds Hydrocarbon derivatives Monocarboxylic acids and derivatives N-acyl-alpha amino acids and derivatives Organic oxides Organic salts Organic zwitterions Primary amines Pyridinium derivatives Pyrrolidine-2-ones Secondary carboxylic acid amides Tertiary carboxylic acid amides Thiohemiaminal derivatives 1,3-thiazol-2-amine 2,5-disubstituted 1,3-thiazole 2-pyrrolidone Alpha-amino acid or derivatives Amine Amino acid Amino acid or derivatives Aromatic heteropolycyclic compound Azacycle Azetidine Azole Carbonyl group Carboxamide group Carboxylic acid Carboxylic acid derivative Carboxylic acid salt Cephalosporin Dialkylthioether Hemithioaminal Heteroaromatic compound Hydrocarbon derivative Meta-thiazine Monocarboxylic acid or derivatives N-acyl-alpha amino acid or derivatives Organic nitrogen compound Organic oxide Organic oxygen compound Organic salt Organic zwitterion Organonitrogen compound Organooxygen compound Primary amine Pyridine Pyridinium Pyrrolidine Pyrrolidone Secondary carboxylic acid amide Tertiary carboxylic acid amide Thiazole Thioether Aromatic heteropolycyclic compounds Detected and Not Quantified average_mass 543.57 ChemAxon mono_mass 544.107298 ChemAxon smiles NC1=NC=C(S1)C(=N/OC1CCNC1=O)C(=O)N[C@H]1[C@H]2SCC(C[N+]3=CC=CC=C3)=C(N2C1=O)C([O-])=O ChemAxon formula C22H22N7O6S2 ChemAxon inchi InChI=1S/C22H21N7O6S2/c23-22-25-8-13(37-22)14(27-35-12-4-5-24-17(12)30)18(31)26-15-19(32)29-16(21(33)34)11(10-36-20(15)29)9-28-6-2-1-3-7-28/h1-3,6-8,12,15,20H,4-5,9-10H2,(H4-,23,24,25,26,27,30,31,33,34)/t12?,15-,20-/m1/s1 ChemAxon inchikey CUCFRCCRYQDMNM-PXIRVSTKSA-N ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f3bb3b62e48> 71463603 8228664