Ampicillin

Ampicillin EP Impurity A Ampicillin  Impurity A:

6-Aminopenicillanic Acid ; (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 ; C8H12N2O3S ;  MW: 216.26 ;
Ampicillin EP Impurity B Ampicillin  Impurity B :

L-Ampicillin ; (2S,5R,6R)-6-[[(2S)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid ; CAS : 19379-33-0 ; C16H19N3O4S ; MW: 349.40 ;
Ampicillin EP Impurity C Ampicillin  Impurity C:

Ampicillin Diketopiperazine ; Ampicillin Dione ;

(4S)-2-(3,6-Dioxo-5-phenylpiperazin-2-yl)-5,5-dimethylthiazolidine-4-carboxylic acid ;

CAS : 49841-96-5 ; C16H19N3O4S ; MW: 349.40 ;
Ampicillin EP Impurity D Ampicillin Impurity D :

Ampicillin Penicilloic Acid ; (4S)-2-[[[(2R)-2-Amino-2-phenylacetyl]amino] carboxymethyl]-5,5-dimethylthiazolidine-4-carboxylic acid ; CAS : 32746-94-4 ; C16H21N3O5S ; MW: 367.42 ;
Ampicillin EP Impurity E Ampicillin  Impurity E :

Ampicillinyl-D-phenylglycine ;

(2R)-2-[[[(2S,5R,6R)-6-[[(2R)-2-Amino-2-phenylacetyl] amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-yl]carbonyl]amino]-2-phenylacetic acid ; CAS : 1207726-28-0 ; C24H26N4O5S ; MW: 482.55 ;
Ampicillin EP Impurity F Ampicillin  Impurity F :

(2RS,4S)-2-[[[(2R)-2-Amino-2-phenylacetyl]amino] methyl]-5,5-dimethylthiazolidine-4-carboxylic acid ; Penilloic Acids of Ampicillin ; CAS : 124774-48-7 ; C15H21N3O3S ; MW: 323.41 ;
Ampicillin EP Impurity G Ampicillin  Impurity G:

(3R,6R)-3,6-Diphenylpiperazine-2,5-dione ; CAS : 31485-02-6 ; C16H14N2O2 ; MW: 266.29 ;
Ampicillin EP Impurity H Ampicillin  Impurity H :

3-Phenylpyrazin-2-ol ; CAS : 2882-18-0 ; C10H8N2O ;  MW: 172.18 ;
Ampicillin EP Impurity I Ampicillin  Impurity I :

D-Phenylglycylampicillin ;

(2S,5R,6R)-6-[[(2R)-2-[[(2R)-2-Amino-2-phenylacetyl] amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid ;  CAS : 10001-82-8 ; D-Phenylglycylampicillin ;

C24H26N4O5S ; MW: 482.55 ;
Ampicillin EP Impurity J Ampicillin Impurity J:

(2S,5R,6R)-6-[(2,2-Dimethylpropanoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid ; CAS : 6489-58-3 ; C13H20N2O4S ; MW: 300.37 ;
Ampicillin EP Impurity K Ampicillin Impurity K:

(2R)-2-[(2,2-Dimethylpropanoyl)amino]-2-phenylacetic acid ; CAS : 40610-41-1 ;

MF: C13H17NO3 ; Mol. Wt.: 235.28 ;
Ampicillin EP Impurity L Ampicillin Impurity L :

D-Phenylglycine ; (2R)-2-Amino-2-phenylacetic acid ; CAS : 875-74-1 ;MF: C8H9NO2
Mol. Wt.: 151.16;