The Chemical Identification Data Standard, developed jointly by EPA and its state and tribal partners, requires four identifiers for each chemical. Two of those identifiers are names: Systematic Name and Registry Name. The Systematic Name is a scientific name whenever possible. If the chemical is registered by the Chemical Abstract Service (CAS), then the Systematic Name is the CAS name. If the chemical is not registered by CAS, then EPA creates a Systematic Name. An example is "Benzene, methyl-“ for the chemical commonly known as “Toluene".
What is a Systematic Name?
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