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Compounds are organized into the following three lists:
- Chemical compounds
- Chemical substance
In chemistry, a chemical substance is a form of matter that has constant chemical composition and characteristic properties. It cannot be separated into components by physical separation methods, i.e. without breaking chemical bonds. They can be solids, liquids or gases.Chemical substances are...
- Inorganic compounds by element
This is a list of common inorganic and organometallic compounds of each element. Compounds are listed alphabetically by their chemical element name rather than by symbol, as in list of inorganic compounds.- Actinium :AcCl3,AcF3,Ac2O3...
- List of alloys
- List of elements by name
- List of minerals
- List of alchemical substances
- Polyatomic ion
A polyatomic ion, also known as a molecular ion, is a charged species composed of two or more atoms covalently bonded or of a metal complex that can be considered as acting as a single unit in the context of acid and base chemistry or in the formation of salts. The prefix "poly-" means "many," in...
Relevant links for chemical compounds are:
- The CAS
CAS Registry Numbersare unique numerical identifiers assigned by the "Chemical Abstracts Service" toevery chemical described in the...
Substance Databases, which contains information on about 23 million compounds. Keep in mind users need to actually pay to even look at these, otherwise they may find the most common ones by CAS at Common Chemistry
- Chemfinder is helpful for finding information about a chemical
- R&D Chemicals
- ChemIDplus is a useful non-commercial source for chemical lookups
- Material Data Safety Sheets, plus other relevant links
These (commercial) links may also provide useful information: