| Appearance | White to off -white to light yellow crystalline powder |
| Assay (HPLC) | >98.0% |
| Melting Point | 270 – 274°C |
| Loss on drying | max. 0.5% |
| Solubility | Soluble in Chloroform, Alcohol; Slightly soluble  in water, Ether; Very slightly soluble  in Alcohol, Chloroform |
Active Pharmaceutical Ingredients
Theophylline
1,3-Dimethylxanthine
| Purity / Analysis Method | >98.0%(HPLC) |
| Molecular Formula / Molecular Weight | C7H8N4O2Â = 180.17 |
| Physical State (20 deg.C) | Solid |
| CAS RN | 58-55-9 |
| Unit | Price |
| 25 g | 1500 |
| 50 g | 1750 |
| 100 g | 2500 |
| Note | •Pharmaceutical Ingredients (for Research and Experimental Use) is provided as delivered and specified by the issuing Pharmacopoeia. |
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