Title: Butaperazine
CAS Registry Number: 653-03-2
CAS Name: 1-[10-[3-(4-Methyl-1-piperazinyl)propyl]-10H-phenothiazin-2-yl]-1-butanone
Additional Names: 2-butyryl-10-[3-(4-methyl-1-piperazinyl)propyl]phenothiazine; N-[g-(4¢-methyl-1¢-piperazinyl)propyl]-3-butyrylphenothiazine; butyrylperazine
Manufacturers' Codes: Bayer 1362
Trademarks: Repoise (Robins); Tyrylen
Molecular Formula: C24H31N3OS
Molecular Weight: 409.59
Percent Composition: C 70.38%, H 7.63%, N 10.26%, O 3.91%, S 7.83%
Literature References: Prepn: Hoerlein et al., DE 1120451 (1961 to Bayer), C.A. 57, 4677c (1962).
Properties: bp0.05 270-280°.
Boiling point: bp0.05 270-280°
Derivative Type: Dimaleate
CAS Registry Number: 1063-55-4
Trademarks: Randolectil (Bayer)
Molecular Formula: C24H31N3OS.2C4H4O4
Molecular Weight: 641.73
Percent Composition: C 59.89%, H 6.13%, N 6.55%, O 22.44%, S 5.00%
Derivative Type: Maleate
Molecular Formula: C24H31N3OS.C4H4O4
Molecular Weight: 525.66
Percent Composition: C 63.98%, H 6.71%, N 7.99%, O 15.22%, S 6.10%
Properties: Crystals from carbon tetrachloride, mp 180-182°.
Melting point: mp 180-182°
Therap-Cat: Antipsychotic.
Keywords: Antipsychotic; Phenothiazines.
Butaverine Butazolamide Butedronic Acid Butethal Butethamate

Systematic (IUPAC) name
Clinical data
Legal status  ?
CAS number 653-03-2 YesY
ATC code N05AB09
PubChem CID 12598
ChemSpider 12078 YesY
Chemical data
Formula C24H31N3OS 
Mol. mass 409.59 g/mol
 YesY (what is this?)  (verify)

Butaperazine (Repoise, Tyrylen) is a typical antipsychotic of the phenothiazine class.[1]