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Family · Pharmaceutical analytical standards

Aminophenazone

A pain reliever and fever reducer of the pyrazolone family, synthesised in the late 19th century by Friedrich Stolz and Ludwig Knorr and first marketed in 1897; because of the risk of agranulocytosis it was later replaced by propyphenazone. This family brings together other impurities.

Did you know?It has found a place in diagnostics: in the carbon-13 aminopyrine breath test, the patient's breath reveals how hard the liver's cytochrome P450 enzymes are working.

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