Chemical Name: (6R,7R)-7-Amino-3-[[(2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per EP) ; (6R,7R)-7-Amino-3-{[(6-hydroxy-2-methyl-5-oxo-2,5-dihydro-1,2,4-triazin-3-yl)thio]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (as per USP)
Synonym: Deacyl Ceftriaxone (USP)
Shipping Temperature: Ambient
HSN Code: 38229010
Ceftriaxone EP Impurity B is chemically (5aR,6R)-6-[[(2Z)-(2-Aminothiazol-4-yl)(methoxyimino)acetyl]amino]-5a,6-dihydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7(4H)-dione (as per EP) ; (Z)-2-(2-Aminothiazol-4-yl)-N-{(5aR,6R)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl}-2-(methoxyimino)acetamide (as per USP) . It is also known as Deacetylcefotaxime Lactone (USP) ; Cefotaxime EP Impurity E ; Cefotaxime USP Related Compound E. Ceftriaxone EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline.
