home > drugs a-z list > geocillin (carbenicillin indanyl sodium) drug center > geocillin (carbenicillin indanyl sodium) drug

Geocillin (carbenicillin indanyl sodium) , a semisynthetic penicillin, is the sodium salt of the indanyl ester of Geopen® (carbenicillin disodium). The chemical name is: 1-(5-Indanyl)-N-(2-carboxy-3,3- dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0] hept-6-yl)-2-phenylmalonamate monosodium salt.

The structural formula is:

The empirical formula is: C₂₆H₂₅N₂NaO₆S and mol. wt. is 516.55.

Geocillin (carbenicillin indanyl sodium) tablets are yellow, capsule-shaped and film-coated, made of a white crystalline solid. Carbenicillin is freely soluble in water. Each Geocillin (carbenicillin indanyl sodium) tablet contains 382 mg of carbenicillin, 118 mg of indanyl sodium ester. Each Geocillin (carbenicillin indanyl sodium) tablet contains 23 mg of sodium.

Inert ingredients are: glycine; magnesium stearate and sodium lauryl sulfate. May also include the following: hydroxypropyl cellulose; hypromellose; opaspray (which may include Blue 2 Lake, Yellow 6 Lake, Yellow 10 Lake, and other inert ingredients); opadry light yellow (which may contain D&C Yellow 10 Lake, FD&C Yellow 6 Lake and other inert ingredients); opadry clear (which may contain other inert ingredients).

Last reviewed on RxList: 4/8/2008
This monograph has been modified to include the generic and brand name in many instances.