Chemical Name: (6R,7R)-3-[(Acetyloxy)methyl]-8-oxo-7-[(1H-tetrazol-1-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per EP); (6R,7R)-7-[2-(1H-Tetrazol-1-yl)acetamido]-3-(acetoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per USP)
Synonym: Cefazolin Acetoxy Analog (USP)
Shipping Temperature: Ambient
HSN Code: 38229010
Cefazolin EP Impurity D is chemically (6R,7R)-3-[(Acetyloxy)methyl]-8-oxo-7-[(1H-tetrazol-1-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per EP); (6R,7R)-7-[2-(1H-Tetrazol-1-yl)acetamido]-3-(acetoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per USP) . It is also known as Cefazolin Acetoxy Analog (USP). Cefazolin EP Impurity D is supplied with detailed characterization data compliant with regulatory guideline.