Nocardicin A
CAS number
ChemSpider  YesY
Jmol-3D images Image 1
Molecular formula C23H24N4O9
Molar mass 500.46 g/mol
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 YesY   YesY/N?)

Nocardicin A is a β-lactam antibiotic included in the monobactam subclass. It is secreted by the bacterium Nocardia uniformis subsp. tsuyamenensis as a metabolic product catalyzed by the enzyme nocardicin-A epimerase.