1.0 2026-03-31 20:38:40 UTC 2026-08-30 13:30:39 UTC Cefalex SmallMolecule Cefalex is an organic compound with the formula C22H27N3O6S1 and an average molecular weight of 461.50 g/mol. Cefalex belongs to the beta lactams, a subclass of lactams within the organic compounds. It is classified as an organoheterocyclic compound. This substance is found in or released from one recorded source: healthcare, pharmaceuticals & veterinary products (Antibiotics). Recorded exposure routes for this compound include inhalation and oral administration. (6R,7R)-7-[[(2R)-2-amino-1-oxo-2-phenylethyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (2,2-dimethyl-1-oxopropoxy)methyl ester (6R,7R)-7-[[(2R)-2-amino-2-phenyl-acetyl]amino]-8-keto-3-methyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid pivaloyloxymethyl ester (pivaloyloxy)methyl [6R-[6?,7?(R*)]]-7-(2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate monohydrochloride (pivaloyloxy)methyl [6R-[6?,7?(R*)]]-7-(aminophenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 2,2-dimethylpropanoyloxymethyl (6R,7R)-7-[[(2R)-2-amino-2-phenyl-acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 2,2-dimethylpropanoyloxymethyl (6R,7R)-7-[[(2R)-2-amino-2-phenyl-ethanoyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 2,2-dimethylpropanoyloxymethyl (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 264-509-1 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methyl-8-oxo-, (2,2-dimethyl-1-oxopropoxy)methyl ester, (6R,7R)- 7-(D-2-Amino-2-phenylacetamido)desacetoxycephalosporanic Acid Pivaloyloxymethyl Ester Cefalex Pivcefalexin pivcephalexin Sigmacef UNII-U6N5QZ6580 UNII:U6N5QZ6580 [(2,2-Dimethylpropanoyl)oxy]methyl (6R,7R)-7-{[(2R)-2-amino-2-phenylacetyl]amino}-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate C22H27N3O6S1 461.162056 63836-75-9;27726-31-4 CC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)N)SC1)C(=O)OCOC(=O)C(C)(C)C InChI=1S/C22H27N3O6S/c1-12-10-32-19-15(24-17(26)14(23)13-8-6-5-7-9-13)18(27)25(19)16(12)20(28)30-11-31-21(29)22(2,3)4/h5-9,14-15,19H,10-11,23H2,1-4H3,(H,24,26)/t14-,15-,19-/m1/s1 DIGADQKVPFDJSI-SPYBWZPUSA-N Detected and Not Quantified logp 4.6 mono_mass 461.162056 ChemAxon smiles CC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)N)SC1)C(=O)OCOC(=O)C(C)(C)C ChemAxon formula C22H27N3O6S1 ChemAxon inchi InChI=1S/C22H27N3O6S/c1-12-10-32-19-15(24-17(26)14(23)13-8-6-5-7-9-13)18(27)25(19)16(12)20(28)30-11-31-21(29)22(2,3)4/h5-9,14-15,19H,10-11,23H2,1-4H3,(H,24,26)/t14-,15-,19-/m1/s1 ChemAxon inchikey DIGADQKVPFDJSI-SPYBWZPUSA-N ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f726f5882a0> 20055002 16735971