Chemical Name: (6R,7R)-3-[(Acetyloxy)methyl]-7-[[(Z)-(furan-2-yl)(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per EP)
Synonym: Acetyl cis-Cefuroxime
Chemical Name: (6R,7R)-3-[(Acetyloxy)methyl]-7-[[(Z)-(furan-2-yl)(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per EP)
Synonym: Acetyl cis-Cefuroxime
Cefuroxime EP Impurity B is chemically (6R,7R)-3-[(Acetyloxy)methyl]-7-[[(Z)-(furan-2-yl)(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per EP). It is also known as Acetyl cis-Cefuroxime. Cefuroxime EP Impurity B is supplied with detailed characterisation data compliant with regulatory guideline.