ĦĦ
3-Azido-3-deoxythymidine (AZT)
| Tests | Specifications |
| Description | A white to almost white powder practically
odorless and free of foreign matters |
| Solubility | Sparingly soluble in water, soluble in ethanol 95% |
| Identification AĦĦ | Positive |
| Identification B | Positive |
| Heavy Metals | Not more than 20 ppm |
| Loss on Drying | Not more than 1.0% (105'C/constant weight) |
| Melting Point | 118'C ~ 126'C |
| Assay | Not less than 97.0% and not more than 102.0%
(as anhydrous basis) |
| Specific Rotation | Between +60.5' to 63.0'
(solution at 1% in ethanol 95% at 25'C) |
| Residue on Ignition | Not more than 0.25% |
| Chromatographic Impurity | Not more than 0.5% for impurity individual
Not more than 2.0% for impurities total |