Hetacillin

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Hetacillin is a beta-lactam antibiotic that is part of the aminopenicillin family. It is a prodrug and has no antibacterial activity itself,[1] but quickly splits off acetone in the human body to form ampicillin,[2] which is active against a variety of bacteria.

Administration

Hetacillin can be administered orally. The potassium salt, hetacillin potassium, is administered by injection, either intravenously[3] or intramuscularly.[4] It is sold under the trade name Hetacin for intramammary injection in veterinary use.[5]

Hetacillin was withdrawn from the market for human use when the discovery was made that it had no advantages over ampicillin.[6]

Chemistry

Hetacillin is prepared from ampicillin and acetone. In aqueous solutions it is unstable, with a half life of 15 to 30 minutes at Script error: No such module "convert". and pH 7, quickly releasing acetone again.[7]

References

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