Cephalosporin C

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Cephalosporin C
Cephalosporin C.svg
IUPAC name
(6R,7R)-3-[(Acetyloxy)methyl]-7-{[(5R)-5-amino-5-carboxypentanoyl]amino}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Other names
7-(5-Amino-5-carboxyvaleramido)cephalosporanic acid
61-24-5 YesY
ChEBI CHEBI:15776 YesY
ChEMBL ChEMBL482858 YesY
ChemSpider 58980 YesY
Jmol interactive 3D Image
PubChem 65536
Molar mass 415.42 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Cephalosporin C is an antibiotic of the cephalosporin class. It was isolated from fungi of the genus Acremonium and first characterized in 1961.[1] Although not a very active antibiotic itself, synthetic analogs of cephalosporin C, such as cefalotin, became some of the first marketed cephalosporin antibiotic drugs.


  1. ^ Abraham, E. P.; Newton, G. G. F. (1961). "Structure of cephalosporin C". Biochemical Journal 79: 377–393. PMC 1205850. PMID 13681080.