Merck, A6140-25G, Ampicillin trihydrate

General description
Chemical structure: β-lactam
Application
Ampicillin Trihydrate is commonly used to select for ampicillin resistance in mutated and transformed cells.
Biochem/physiol Actions
A β-lactam antibiotic with an amino group side chain attached to the penicillin structure. Penicillin derivative that inhibits bacterial cell-wall synthesis (peptidoglycan cross-linking) by inactivating transpeptidases on the inner surface of the bacterial cell membrane. Bactericidal only to growing Escherichia coli . Mode of resistance: Cleavage of β-lactam ring of ampicillin by β-lactamase. Antimicrobial spectrum: Gram-negative and Gram-positive bacteria.
Other Notes
Keep container tightly closed in a dry and well-ventilated place.