| Identification | ||
| Name | Theophylline | |
| Synonyms | 1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydropurine; 1,3-Dimethylxanthine; 3,7-Dihydro-1,3-dimethyl-1H-purine-2,6-dione | |
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| Molecular Structure |
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| Molecular Formula | C7H8N4O2 | |
| Molecular Weight | 180.16 | |
| CAS Registry Number | 58-55-9 | |
| EINECS | 200-385-7 | |
| Properties | ||
| Melting point | 270-274 ºC | |
| Water solubility | 8.3 g/L (20 ºC) | |