7-Amino-deacetylcephalosporanic acid (7-ADCA) ; CAS # 15690-38-7 ;

Disodium (6R,7R)-7-[[(2Z)-(2-Aminothiazol-4-yl)(methoxyimino)acetyl]amino]-3-[[(2-methyl-6-oxido-5-oxo-2,5-dihydro-1,2,4-triazin-3-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 3.5 hydrate ; CAS # 104376-79-6 ;

(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) ; 9716

3-Desacetyl Cefotaxime Lactone ; (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 ; CAS # 66340-33-8 ;

Ceftriaxone Triazine Analog (USP) ; Thiotriazinone ; 2-Methyl-3-sulfanyl-1,2-dihydro-1,2,4-triazine-5,6-dione ; CAS # 58909-39-0 ;

Ceftriaxone Benzothiazolyl Oxime (USP) ; S-Benzothiazol-2-yl (2Z)-(2-aminothiazol-4-yl)(methoxyimino)thioacetate ; CAS # 80756-85-0 ;

(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 ; CAS # 58909-56-1 ;

Cefalotin EP Impurity C ; Cefazolin EP Impurity H ; Cefoperazone EP Impurity E ; 7-Aminocephalosporanic Acid ; 7-ACA ; (6R,7R)-7-Amino-3-[(acetyloxy)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid ; CAS # 957-68-6 ;

(6R,7R)-7-[(2E)-2-(2-Amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetamido]-3-{[(2-methyl-6-oxido-5-oxo-2,5-dihydro-1,2,4-triazin-3-yl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid ;