Title: Etymemazine
CAS Registry Number: 523-54-6
CAS Name: 2-Ethyl-N,N,b-trimethyl-10H-phenothiazine-10-propanamine
Additional Names: 10-[3-(dimethylamino)-2-methylpropyl]-2-ethylphenothiazine; 3-ethyl-10-(3-dimethylamino-2-methylpropyl)phenothiazine; 3-(3-ethyl-10-phenothiazinyl)-2-methyl-1-dimethylaminopropane; ethotrimeprazine; ethylisobutrazine
Manufacturers' Codes: RP-6484
Trademarks: Diquel
Molecular Formula: C20H26N2S
Molecular Weight: 326.50
Percent Composition: C 73.57%, H 8.03%, N 8.58%, S 9.82%
Literature References: Prepn: Jacob, Robert, US 2837518 (1958 to Rhône-Poulenc). Activity studies in pigs: Lambrerth, Aust. Vet. J. 44, 333 (1968). Biotransformation studies: Robinson, J. Pharm. Pharmacol. 18, 19 (1966).
Derivative Type: Hydrochloride
CAS Registry Number: 3737-33-5
Trademarks: Nuital (Vaillant-Defresne); Sergetyl (Vaillant-Defresne)
Molecular Formula: C20H26N2S.HCl
Molecular Weight: 362.96
Percent Composition: C 66.18%, H 7.50%, N 7.72%, S 8.83%, Cl 9.77%
Properties: mp 160-163°. Soluble in water, ethanol, methanol, acetone, chloroform. Practically insol in ether.
Melting point: mp 160-163°
Therap-Cat: Antihistaminic.
Therap-Cat-Vet: Tranquilizer.
Keywords: Antihistaminic; Tricyclics; Phenothiazines.
Status: This monograph has been retired and is no longer subject to revision or update.
Eucalyptol Eucatropine Eugenol Euparin Eupatorin

Systematic (IUPAC) name
Clinical data
AHFS/ International Drug Names
Legal status  ?
CAS number 3737-33-5
ATC code None
PubChem CID 71823
UNII 861J4K81C7 YesY
Chemical data
Formula C20H26N2S 
Mol. mass 326.50 g/mol
 YesY (what is this?)  (verify)

Etymemazine is an antihistamine and anticholinergic of the phenothiazine chemical class.