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Substance name

Search for chemical substances by name here. You may use placeholders such as * (to replace one or more characters) or ? (for exactly one character).

Molecular formula

This search is case sensitive. It can distinguish e. g. between Co and CO.

E number

You may search for food additives here.

CAS number

Chemical structure

You can use this editor to draw chemical structures. For similarity search, the Tanimoto similarity coefficient is 0.9.

Substance search