Title: Dimethoxanate
CAS Registry Number: 477-93-0
CAS Name: 10H-Phenothiazine-10-carboxylic acid 2-[2-(dimethylamino)ethoxy]ethyl ester
Additional Names: b-dimethylaminoethoxyethyl phenothiazine-10-carboxylate
Trademarks: Tussidin; Cotrane (Midy)
Molecular Formula: C19H22N2O3S
Molecular Weight: 358.45
Percent Composition: C 63.66%, H 6.19%, N 7.82%, O 13.39%, S 8.95%
Literature References: Prepn: von Seeman, US 2778824 (1957 to American Home Prod.).
Derivative Type: Hydrochloride
Molecular Formula: C19H22N2O3S.HCl
Molecular Weight: 394.92
Percent Composition: C 57.78%, H 5.87%, N 7.09%, O 12.15%, S 8.12%, Cl 8.98%
Properties: Crystals from anhydr acetone or methanol + ether, mp 161-163° (dec).
Melting point: mp 161-163° (dec)
NOTE: Ingredient of Cothera Syrup (Ayerst) .
Therap-Cat: Antitussive.
Keywords: Antitussive.
Status: This monograph has been retired and is no longer subject to revision or update.
Dimethoxane Dimethyl Carbate Dimethyl Carbonate Dimethyl Phthalate Dimethyl Sulfate

Systematic (IUPAC) name
2-(2-dimethylaminoethoxy)ethyl phenothiazine-10-carboxylate
Clinical data
AHFS/Drugs.com International Drug Names
Legal status  ?
CAS number 477-93-0
ATC code R05DB28
PubChem CID 10610
ChemSpider 10165 YesY
KEGG D07397 YesY
Chemical data
Formula C19H22N2O3S 
Mol. mass 358.456 g/mol
 YesY (what is this?)  (verify)

Dimethoxanate is a cough suppressant.[1]