A ''synthetic substance'' or ''synthetic compound'' refers to a substance that is man-made by synthesis, rather than being produced by nature. It also refers to a substance or compound formed under human control by any
chemical reaction
A chemical reaction is a process that leads to the IUPAC nomenclature for organic transformations, chemical transformation of one set of chemical substances to another. Classically, chemical reactions encompass changes that only involve the pos ...
, either by
chemical synthesis
As a topic of chemistry, chemical synthesis (or combination) is the artificial execution of chemical reactions to obtain one or several products. This occurs by physical and chemical manipulations usually involving one or more reactions. In mod ...
(
chemosyntesis) or by
biosynthesis.
Chemical synthesis
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