Ceftriaxone impurity A

European Pharmacopoeia (EP) Reference Standard

Synonym(s): (6R,7R)-7-[[(2E)-(2-Aminothiazol-4-yl)(methoxyimino)acetyl]amino]-3-[[(2-methyl-5, 6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)sulphanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Empirical Formula: C₁₈H₁₈N₈O₇S₃

Formula Weight: 554.58

Linear Formula: C₁₈H₁₈N₈O₇S₃