In the world of pharmacology and drug development, there are two ways to classify the molecules used, as small and large molecules. This differentiation refers to more than size, it also helps classify how the molecules are made, their behavior, mode of action or transportation, and how suitable they are for different drug forms.

KCAS has decades of experience with large and small molecule testing

The majority of current on-the-market drugs are small molecules, but large molecules, also known as biologics, are quickly rising in popularity and importance. Large molecules – or biologics – are classified as proteins having a therapeutic effect. In contrast to small molecule drugs, most large molecule drugs are complex and composed of more than 1,300 amino acids and are identical versions of human proteins.

KCAS Solutions by Molecule Type

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