With the isolation and preparation of thousands of new organic compounds, it became obvious that each organic compound must have an unique name. The systematic method of naming compound was developed by International Union of Pure and Applied Chemistry ( IUPAC). There are other type of names also used.

Systematic: base don certain rules, chemical name

Generic: the generic name is the official, internationally approved name of the drug.

Trade: The trade name for a drug assigned by the company that manufactures it. They are given to remember easily.

Rules:

The parent name indicates the number of carbons in the longest continuous carbon chain in the molecule.
The suffix indicates what functional group (if any) is present.
The prefix tells us the identity, location and the number of substituents attached to the carbon atom.
Substituents are named as alkyl group. An alkyl group is formed by removing one hydrogen from an alkane.

Individual compound’s names will be discussed under corresponding section with examples following the above rules.

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