Carbenicillin Disodium Salt

Carbenicillin Disodium prevents bacterial cell wall synthesis. Inhibits crosslinking of peptidoglycan by binding and inactivating transpeptidases.

Highly active against gram negative bacteria. Commonly used for the elimination of Agrobacterium species after inoculation.

Sensitive to -Lactamase.

Non-toxic to plant cells.

Plant cell culture tested.

Soluble in water. Hygroscopic.

CAS Number: 4800-94-6    USP Grade


Molecular Formula

Mol. Wt.


C17H16N2O6S 2Na 



Our Carbenicillin Disodium
Our Carbenicillin Disodium is Plant cell culture tested, USP Grade Carbenicillin. Please feel free to request our Certificate of Analysis (COA) of a current Lot. CAS Number: 4800-94-6. Our Carbenicillin is supplied for Research purposes and not for use in humans.
Carbenicillin is recommended for use in place of ampicillin to maintain the selective marker bla (b-lactamase or ampicillin resistance). Ampicillin selection tends to be lost in cultures as the drug is degraded by the secreted b-lactamase enzyme and by the drop in pH that usually accompanies bacterial fermentation. A way to avoid this loss of drug resistance is to use the related drug, Carbenicillin, which is less sensitive to low pH.

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