Sulbactam BP Impurity A ; Sulbactam USP RC A ; (2S)-2-Amino-3-methyl-3-sulfinobutanoic acid ; CAS # 23315-18-6 ;

Sulbactam BP Impurity B ; Ampicillin EP Impurity A ; Amoxicillin EP Impurity A ; Cloxacillin EP Impurity C ; 6-Aminopenicillanic Acid (6-APA) ; (2S,5R,6R)-6-Amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid ; CAS # 551-16-6 ;

Sulbactam BP Impurity C ; 6-Bromopenicillanic Acid Sulfone ; Brobactam S,S-Dioxide ; (2S,5R,6R)-6-Bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4,4-dioxide ; CAS # 75527-87-6 (acid) ; 76517-23-2 (sodium) ;

Sulbactam BP Impurity D ; Sulbactam USP RC D ; 6-Bromopenicillanic Acid Sodium Salt ; (2S,5R,6R)-6-Bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid sodium salt ; CAS # 26631-90-3 (acid) ; 73335-78-1 (sodium salt) ; 4027-64-9 (p

Sulbactam BP Impurity E ; Sulbactam USP RC E ; 6,6-Dibromopenicillanic Acid Sulfone ; (2S,5R)-6,6-Dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4,4-dioxide ; CAS # 76646-91-8 ;

Sulbactam BP Impurity F ; Sulbactam USP RC F ; 6,6-Dibromopenicillanic Acid ; (2S,5R)-6,6-Dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid ; CAS # 24158-88-1 ;

Sulbactam BP Impurity G ; (2E)-3-[[(1S)-1-Carboxy-2-methyl-2-sulfinopropyl]-amino]prop-2-enoic acid ;

(2S,5R)-3,3-Dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (2,2-dimethyl-1-oxopropoxy)methyl ester 4,4-dioxide ; CAS # 69388-79-0 ;

Sodium (2S,5R)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4,4-dioxide ; CAS # 69388-84-7 ;