Analytical chemistry - The analysis of material samples to gain an understanding of their chemical composition and structure.

Biochemistry - The study of the chemicals, chemical reactions and chemical interactions that take place in living organisms.

Chemical Formulas - Dictionary of Chemical Formulas

Chemical Substance - A chemical substance is a material with a specific chemical composition

Dictionary of chemical formulas - List of chemical compounds with chemical formulae and CAS numbers, indexed by formula.

Extremely hazardous Substances - Extremely hazardous Substances

Inorganic chemistry - The study of the properties and reactions of inorganic compounds.

Materials chemistry - The preparation, characterization, and understanding of substances with a useful function.

Nuclear chemistry - The study of how subatomic particles come together and make nuclei.

Organic chemistry - The study of the structure, properties, composition, mechanisms, and reactions of organic compounds.

Physical chemistry - The study of the physical and fundamental basis of chemical systems and processes.

Solvents - A solvent is a liquid or gas that dissolves a solid, liquid, or gaseous solute, resulting in a solution.

Theoretical chemistry - The study of chemistry via fundamental theoretical reasoning (usually within mathematics or physics).