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) |