A low molecular weight organic compound with a size on the order of 1 nm that may aid in controlling biological processes is known as a small molecule active pharmaceutical ingredient (API). The majority of small molecules can be taken by mouth and are most likely to be absorbed by the body this way. Because of its small size, it has the ability to rapidly diffuse to the intracellular site of action.
A Small Molecule API drug is a substance with a low molecular weight that has the ability to control biochemical processes in order to detect, treat, or prevent disease. Aspirin, diphenhydramine, and other molecules that are typically found in our medicine cabinets are examples of small-molecule medications.
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