Choline theophyllinate (INN), also known as oxtriphylline, is a cough medicine derived from xanthine that acts as a bronchodilator to open up airways in the lung. Chemically, it is a salt of choline and theophylline. It classifies as an expectorant.^{[citation needed]} The drug is available under the brand names Choledyl and Choledyl SA, among others.^[1]

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Quick Facts Clinical data, Trade names ...

Choline theophyllinate

Clinical data
Trade names	Choledyl, Theocolin
Other names	Oxtriphylline
AHFS/Drugs.com	International Drug Names
ATC code	R03DA02 (WHO)
Pharmacokinetic data
Excretion	mainly via kidneys
Identifiers
IUPAC name (2-Hydroxyethyl)trimethylazanium; 1,3-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-7-ide
CAS Number	4499-40-5 Y
PubChem CID	656652
DrugBank	DB01303
ChemSpider	25044543 571001
UNII	3K045XR58X
KEGG	D02017
ChEMBL	ChEMBL1200434
CompTox Dashboard (EPA)	DTXSID20894867
ECHA InfoCard	100.022.545
Chemical and physical data
Formula	C12H21N5O3
Molar mass	283.332 g·mol−1
3D model (JSmol)	Interactive image
SMILES Cn1c(c-2ncnc2n(c1=O)C)[O-].C[N+](C)(C)CCO
InChI InChI=1S/C7H8N4O2.C5H14NO/c1-10-5-4(8-3-9-5)6(12)11(2)7(10)13;1-6(2,3)4-5-7/h3,12H,1-2H3;7H,4-5H2,1-3H3/q;+1/p-1 Key:SOELXOBIIIBLRJ-UHFFFAOYSA-M

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