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TYGACIL® (tigecycline) Description


TYGACIL (tigecycline) is a tetracycline class antibacterial for intravenous infusion. The chemical name of tigecycline is (4S,4aS,5aR,12aS)-9-[2-(tert-butylamino)acetamido]-4,7-bis(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,10,12,12a-tetrahydroxy-1,11-dioxo-2-naphthacenecarboxamide. The empirical formula is C29H39N5O8 and the molecular weight is 585.65.

The following represents the chemical structure of tigecycline:

Chemical Structure
Figure 1: Structure of Tigecycline

TYGACIL is an orange lyophilized powder or cake. Each TYGACIL single-dose 5 mL or 10 mL vial contains 50 mg tigecycline lyophilized powder for reconstitution for intravenous infusion and 100 mg of lactose monohydrate. The pH is adjusted with hydrochloric acid, and if necessary sodium hydroxide. The product does not contain preservatives.

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