Biopharmaceutics_Classification_System
Biopharmaceutics Classification System
System to differentiate drugs on the basis of their solubility and permeability
The Biopharmaceutics Classification System (BCS) is a system to differentiate drugs on the basis of their solubility and permeability.[1]
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This system restricts the prediction using the parameters solubility and intestinal permeability. The solubility classification is based on a United States Pharmacopoeia (USP) aperture. The intestinal permeability classification is based on a comparison to the intravenous injection. All those factors are highly important because 85% of the most sold drugs in the United States and Europe are orally administered [citation needed].