Title: Dimethazan
CAS Registry Number: 519-30-2
CAS Name: 7-[2-(Dimethylamino)ethyl]-3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione
Additional Names: 7-(2-dimethylaminoethyl)theophylline; 1,3-dimethyl-7-(2-dimethylaminoethyl)xanthine
Trademarks: Elidin (Endo)
Molecular Formula: C11H17N5O2
Molecular Weight: 251.28
Percent Composition: C 52.58%, H 6.82%, N 27.87%, O 12.73%
Literature References: Prepn from theophylline and dimethyl-2-chloroethylamine: Moussalli et al., GB 669070 (1952), C.A. 47, 5435i (1953); Klosa, Arch. Pharm. 288, 301 (1955). Pharmacology: Balatre, Merlen, Therapie 11, 1146 (1956); Yago, Jpn. Circ. J. 26, 407 (1962).
Properties: Solid, mp 95°.
Melting point: mp 95°
Derivative Type: Hydrochloride
Molecular Formula: C11H17N5O2.HCl
Molecular Weight: 287.75
Percent Composition: C 45.91%, H 6.31%, N 24.34%, O 11.12%, Cl 12.32%
Properties: mp 260°.
Melting point: mp 260°
Therap-Cat: Antidepressant.
Keywords: Antidepressant; Bicyclics.
Status: This monograph has been retired and is no longer subject to revision or update.
Dimethenamid Dimethicone Dimethindene Dimethirimol Dimethisoquin

Systematic (IUPAC) name
Clinical data
Legal status Prescription only
Routes Oral
CAS number 519-30-2
ATC code None
PubChem CID 10612
ChemSpider 10167
UNII H943V308AD YesY
Synonyms 1,3-dimethyl-7-(2-dimethylaminoethyl)xanthine;
Chemical data
Formula C11H17N5O2 
Mol. mass 251.29 g/mol

Dimethazan (Elidin) is a stimulant drug of the xanthine class related to caffeine and theophylline.[1] It also has tranquilizing and respiratory-stimulating effects and has been sold as an antidepressant.[1][2]