Pethidine
Medication
DescriptionPethidine, also known as meperidine and sold under the brand name Demerol among others, is a synthetic opioid pain medication of the phenylpiperidine class. Wikipedia
Formula: C15H21NO2
Molar mass: 247.33 g/mol
Other names: Meperidine (USAN US)
Metabolism: Liver
Elimination half-life: 2.5–4 hours, 7–11 hours (liver disease)
Dependence liability: High
Excretion: Renal