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Alternate Names: Nuvigil, (R)-Modafinil, armodafinilum
CAS No: 112111-43-0
PubChem CID: 9690109
Mol Formula: C15H15NO2S
Mol Weight: 273.35 g/mol
Controlled Drug Substance: Yes
IUPAC Name: 2-[(R)-benzhydrylsulfinyl]acetamide
API Description: Armodafinil is a 2-[(diphenylmethyl)sulfinyl]acetamide that has R configuration at the sulfur atom. Like its racemate, modafinil, it is used for the treatment of sleeping disorders such as narcolepsy, obstructive sleep apnoea, and shift-work sleep disorder. Peak concentration in the blood later occurs later following administration than with modafinil, so it is thought that armodafinil may be more effective than modafinil in treating people with excessive daytime sleepiness. It has a role as a central nervous system stimulant and a eugeroic. It is an enantiomer of a (S)-modafinil. Armodafinil is the enantiopure of the wakefulness-promoting agent modafinil (Provigil), and is indicated to improve wakefulness in adult patients with excessive sleepiness associated with obstructive sleep apnea (OSA), narcolepsy, or shift work disorder (SWD). Research has shown that armodafinil significantly improves driving simulator performance in patients with SWD. Armodafinil consists of the (−)-R-enantiomer of the racemic modafinil. Armodafinil is produced by the pharmaceutical company Cephalon Inc. (a wholly owned subsidiary of Teva Pharmaceutical Industries Ltd.) and was approved by the U.S. Food and Drug Administration (FDA) in June 2007.
