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Molecule

Cephalexin

CAS: 15686-71-2 · C16H17N3O4S

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number
15686-71-2
Molecular Formula
C16H17N3O4S
Molecular Mass
347.40 g/mol

Identifiers

CAS Registry Number

15686-71-2

SMILES

CC1=C(C(=O)O)N2C(=O)[C@@H](N=C(O)[C@H](N)c3ccccc3)[C@H]2SC1

InChI Key

ZAIPMKNFIOOWCQ-UEKVPHQBSA-N

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

Names and Synonyms

  • Cephalexin Synonym
  • 7-(α-Amino-D-phenylacetamido)-3-deacetoxycephalosporanic acid Synonym
  • 7-[D-(-)-α-Aminophenylacetamido]-3-methyl-3-cephem-4-carboxylic acid Synonym
  • 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)- Synonym
  • 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-(2-amino-2-phenylacetamido)-3-methyl-8-oxo-, D- Synonym
  • 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[(aminophenylacetyl)amino]-3-methyl-8-oxo-, [6R-[6α,7β(R*)]]- Synonym
  • 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2R)-aminophenylacetyl]amino]-3-methyl-8-oxo-, (6R,7R)- Synonym
  • (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 Synonym
  • Cephalexin Synonym
  • Ceporexine Synonym
  • Cefalexin Synonym
  • Keflex Synonym
  • Keforal Synonym
  • Lilly 66873 Synonym
  • Larixin Synonym
  • S 6437 Synonym
  • Oroxin Synonym
  • Ceporexin Synonym
  • Oracef Synonym
  • Ceforal Synonym
  • Palitrex Synonym
  • L-Keflex Synonym
  • Syncl Synonym
  • Cephacillin Synonym
  • Cephamasten Synonym
  • Lafarine Synonym
  • D-Cephalexin Synonym
  • Cepexin Synonym
  • Cephalexine Synonym
  • Ceporex Synonym
  • Cefaleksin Synonym
  • Tepaxin Synonym
  • Kefloridina Synonym
  • Sialexin Synonym
  • Novolexin Synonym
  • Medoxine Synonym
  • Kekrinal Synonym
  • Ibilex Synonym
  • Nufex Synonym
  • Ceporex Forte Synonym
  • Oriphex Synonym
  • Alsporin Synonym
  • Mamlexin Synonym
  • Cophalexin Synonym
  • Sporidex Synonym
  • Inphalex Synonym
  • Ibrexin Synonym
  • Cefadina Synonym
  • Servispor Synonym
  • Kefalospes Synonym
  • Uphalexin Synonym
  • Cefadal Synonym
  • Kefalex Synonym
  • Kidolex Synonym
  • Madlexin Synonym
  • Sinthecillin Synonym
  • Celexin Synonym
  • Cefadin Synonym
  • Kefexin Synonym
  • Voxxim Synonym
  • Lopilexin Synonym
  • Syncle Synonym
  • Check Synonym
  • Winlex Synonym
  • Pyassan Synonym
  • Neokef Synonym
  • Lonflex Synonym
  • Cephaxin Synonym
  • Erocetin Synonym
  • Sanaxin Synonym
  • Cefalin Synonym
  • Sporicef Synonym
  • Keflet Synonym
  • Mamalexin Synonym
  • Cefablan Synonym
  • Ospexin Synonym
  • Carnosporin Synonym
  • Felexin Synonym
  • Sepexin Synonym
  • Septilisin Synonym
  • Rofex Synonym
  • Tokiolexin Synonym
  • Durantel DS Synonym
  • Cephin Synonym
  • Durantel Synonym
  • Ed A-Ceph Synonym
  • Biocef Synonym
  • Cefovit Synonym
  • Naxifelar Synonym
  • Cefaseptin Synonym
  • Fexin Synonym
  • Cepastar Synonym
  • Alcephin Synonym
  • Cepol Synonym
  • Synecl Synonym
  • Kefaxin Synonym
  • Lenocef Synonym
  • Cefadyl Synonym
  • Pectril Synonym
  • Cerexin Synonym
  • Iwalexin Synonym
  • Llonexina Synonym
  • Cefadros Synonym
  • Cex Synonym
  • Cefaloto Synonym
  • Farexin Synonym
  • Xahl Synonym
  • Derantel Synonym
  • Sencephalin Synonym
  • Oracocin Synonym
  • Rinesal Synonym
  • Mecilex Synonym
  • Ohlexin Synonym
  • Fergon 500 Synonym
  • Taicelexin Synonym
  • Lexibiotico Synonym
  • Cefanex Synonym
  • Sintolexyn Synonym
  • Efalexin Synonym
  • Garasin Synonym
  • Phexin Synonym
  • Larixin (antibiotic) Synonym
  • Vetolexin Synonym
  • Lixen-IU Synonym

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 347.40 g/mol CAS Common Chemistry
347.3960000000001 g/mol RDKit
347.396 g/mol RDKit
347.389 g/mol chempirical lib
Canonical SMILES O=C(O)C1=C(C)CSC2N1C(=O)C2NC(=O)C(N)C=3C=CC=CC3 CAS Common Chemistry
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 CAS Common Chemistry
InChI Key InChIKey=ZAIPMKNFIOOWCQ-UEKVPHQBSA-N CAS Common Chemistry
Melting Point 160-168 °C (decomp) CAS Common Chemistry
Name Cephalexin CAS Common Chemistry
Heavy Atom Count 24 RDKit
Hydrogen Bond Acceptors 5 RDKit
Hydrogen Bond Donors 3 RDKit
Rotatable Bonds 4 RDKit
Aromatic Ring Count 1 RDKit
Topological Polar Surface Area 116.22 Ų RDKit
LogP 1.2852000000000003 RDKit
1.2852 RDKit
Molar Refractivity 90.65000000000005 cm³/mol RDKit
Ring Count 3 RDKit
Formal Charge 0 RDKit
Fraction Csp3 0.3125 RDKit
0.31 chempirical lib
Exact Mass 347.0939770240001 g/mol RDKit

Spectral Data

NMR, IR, and Mass spectral data

Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

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MW = 347.40 g/mol. Edit any field — others recompute live.

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