Theophylline
| Product reference number | TPY-133-FB |
| Full chemical name | 1,3-Dimethyl-7H-purine-2,6-dione |
| Formula | C7H8N4O2 |
| Molecular weight | 180.17 |
| CAS Number | 58-55-9 |
| Appearance | white to off-white crystalline powder |
| IR | IR corresponds |
| NMR | corresponds to structure |
| MS | M+ corresponds |
| UV max [nm] (mol, solvent) | 271.0 ± 1.0 (10000 ± 1000, nanopure water) |
| Melting point [Celsius] | 272.0 ± 3 |
| HPLC purity [%] | > 98.5 |
| Water content [%] | < 2 |
