(Z)-8-(3,4-Dimethoxystyryl)-1,3-diethyl-7-methyl-1H-purine-2,6(3H,7H)-dione

Chemical FDA Substance Registry (openFDA)

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Chemical Identification

CAS Number	`606080-73-3`
INCI Name	8-[(Z)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-7-methylpurine-2,6-dione
PubChem CID	69623186
Molecular Formula	`C20H24N4O4`
InChIKey	`InChI=1S/C20H24N4O4/c1-6-23`
SMILES	`CCN1C2=C(C(=O)N(C1=O)CC)N(C(=N2)/C=C\C3=CC(=C(C=C3)OC)OC)C`

Known Aliases (5)

Common Name

Istradefylline Impurity 2 Istradefylline, Z- Z-Istradefylline

Scientific Name

1H-Purine-2,6-dione, 8-[(1Z)-2-(3,4-dimethoxyphenyl)ethenyl]-1,3-diethyl-3,7-dihydro-7-methyl- 8-[(1Z)-2-(3,4-Dimethoxyphenyl)ethenyl]-1,3-diethyl-3,7-dihydro-7-methyl-1H-purine-2,6-dione

Data Sources (1)

Source	Source ID	Name in Source	Properties
FDA Substance Registry (openFDA)	`P6MS9HTA35`	(Z)-8-(3,4-Dimethoxystyryl)-1,3-diethyl-7-methyl-1H-purine-2,6(3H,7H)-dione	CAS: 606080-73-3 PUBCHEM: 69623186 FDA UNII: P6MS9HTA35

Record Info

ID	`W3RFyKY29YMD5LRhtrJ7XA`
Created	April 10, 2026, 9:44 p.m.
Modified	April 10, 2026, 11:41 p.m.
Enriched	April 11, 2026, 12:09 a.m.
Data Source	FDA Substance Registry (openFDA)