Clinical data
Routes of
ATC code none
Legal status
Legal status
  • US: Not approved
Synonyms Fluorafinil, Fladrafinil
CAS Number 90212-80-9 N
PubChem (CID) 13316557
ChemSpider 29785194 N
Chemical and physical data
Formula C15H13F2NO3S
Molar mass 325.33 g/mol
3D model (Jmol) Interactive image
 NYesY (what is this?)  (verify)

CRL-40,941 (also known as fladrafinil and fluorafinil) is a wakefulness-promoting agent closely related to adrafinil and modafinil. It is the bis(p-fluoro) ring-substituted derivative of adrafinil. CRL-40,941 was found to produce antiaggressive effects in animals, which adrafinil does not produce.[1]

See also


  1. US patent 4489095, Lafon, L., "Halogenobenzhydrylsulfinylacetohydroxamic Acids", issued 1984-12-18, assigned to Laboratoire L. Lafon

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