Cat. Number COMPOUND
KET1005
Ketorolac EP Impurity E
CAS Number: 167105-80-8
Molecular Formula: C19H22N2O5
Molecular Weight: 358.39
BIS1013
Bisoprolol EP Impurity M
CAS Number: 177034-57-0
Molecular Formula: C12H18O3
Molecular Weight: 210.27
CEF008
Cefixime EP Impurity B (B1 B2 mixture)
CAS Number: 1335475-19-8
Molecular Formula: C15H17N5O6S2
Molecular Weight: 427.45
CEF003
Cefixime EP Impurity C
CAS Number: 108691-83-4
Molecular Formula: C16H15N5O7S2
Molecular Weight: 453.45
CEF004
Cefixime Impurity D
CAS Number: 97164-56-2
Molecular Formula: C16H15N5O7S2
Molecular Weight: 453.45
CEF005
Cefixime Impurity E
CAS Number: 72701-01-0
Molecular Formula: C15H15N5O7S2
Molecular Weight: 441.44
CEF006
Cefixime EP Impurity F
CAS Number: 79368-95-9 
Molecular Formula: C18H19N5O7S2
Molecular Weight: 481.51
CEF2010
Cefixime tert-Butyl Ester
CAS Number: 79368-92-6
Molecular Formula: C20H23N5O7S2
Molecular Weight: 509.55