CTN01A: Ceftriaxone EP Impurity A (Acid)

CTN01A: Ceftriaxone EP Impurity A (Acid)

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(E)-Ceftriaxone ;

(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)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid ;

CAS # 92143-31-2 (Acid) ; 97164-54-0 (Disodium) ;

C18H18N8O7S3 ;
Mol. Wt.: 554.58 ;