Cephalexin
CAS Registry Number®
15686-71-2
CAS Name
CephalexinMolecular Formula
C16H17N3O4SMolecular Mass
347.39Cite this Page
Cephalexin. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=15686-71-2 (retrieved ) (CAS RN: 15686-71-2). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Melting Point (1)
160-168 °C (decomp)
Source(s)
Other Names and Identifiers
InChI
InChI=1S/C16H17N3O4S/c1-8-7-24-15-11(14(21)19(15)12(8)16(22)23)18-13(20)10(17)9-5-3-2-4-6-9/h2-6,10-11,15H,7,17H2,1H3,(H,18,20)(H,22,23)/t10-,11-,15-/m1/s1
InChIKey
InChIKey=ZAIPMKNFIOOWCQ-UEKVPHQBSA-N
SMILES
O=C1N2[C@@]([C@@H]1NC([C@H](N)C3=CC=CC=C3)=O)(SCC(C)=C2C(O)=O)[H]
Canonical SMILES
O=C(O)C1=C(C)CSC2N1C(=O)C2NC(=O)C(N)C=3C=CC=CC3
Other Names for this Substance
- 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methyl-8-oxo-, (6R,7R)-
- 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-(2-amino-2-phenylacetamido)-3-methyl-8-oxo-, D-
- 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[(aminophenylacetyl)amino]-3-methyl-8-oxo-, [6R-[6α,7β(R*)]]-
- 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2R)-aminophenylacetyl]amino]-3-methyl-8-oxo-, (6R,7R)-
- (6R,7R)-7-[[(2R)-2-Amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Deleted or Replaced CAS Registry Numbers
14101-75-8, 17692-47-6, 65454-17-3, 82853-18-7