Title: Afloqualone
CAS Registry Number: 56287-74-2
CAS Name: 6-Amino-2-(fluoromethyl)-3-(2-methylphenyl)-4(3H)-quinazolinone
Additional Names: 6-amino-2-fluoromethyl-3-(o-tolyl)-4(3H)-quinazolinone
Manufacturers' Codes: HQ-495
Trademarks: Arofuto (Tanabe)
Molecular Formula: C16H14FN3O
Molecular Weight: 283.30
Percent Composition: C 67.83%, H 4.98%, F 6.71%, N 14.83%, O 5.65%
Literature References: A centrally acting muscle relaxant. Prepn: I. Inoue et al., DE 2449113; eidem, US 3966731 (1975, 1976 to Tanabe); J. Tani et al., J. Med. Chem. 22, 95 (1979). Pharmacology: T. Ochiai, R. Ishida, Jpn. J. Pharmacol. 31, 491 (1981); 32, 427 (1982). Metabolism: N. Otsuka et al., J. Pharmacobio-Dyn. 5, S-59 (1982); S. Furuuchi et al., Drug Metab. Dispos. 11, 371 (1983).
Properties: Pale yellow prisms from 2-propanol, mp 195-196°. LD50 in mice (mg/kg): 315.1 i.p. (Tani).
Melting point: mp 195-196°
Toxicity data: LD50 in mice (mg/kg): 315.1 i.p. (Tani)
Therap-Cat: Muscle relaxant (skeletal).
Keywords: Muscle Relaxant (Skeletal).
Agaricic Acid Agmatine Agomelatine Agroclavine Agrocybin

Systematic (IUPAC) name
Clinical data
AHFS/ International Drug Names
Legal status  ?
CAS number 56287-74-2 N
ATC code None
PubChem CID 2040
ChemSpider 1960 YesY
KEGG D01638 YesY
Chemical data
Formula C16H14FN3O 
Mol. mass 283.3
 N (what is this?)  (verify)

Afloqualone (Arofuto) is an analogue of methaqualone developed in the 1970s by a team at Tanabe Seiyaku.[1] It has sedative and muscle-relaxant effects,[2] and has had some clinical use, although it causes photosensitization as a side-effect that can cause skin problems such as dermatitis.[3]