CAS number： 57808-66-9
Molecular formula： C22H24ClN5O2
molecular weight： 425.91
Chemical structure：
| Sr No. | Test | Specification | Result | |||
| 1 | Description | White crystalline powder | Complies | |||
| 2 | Solubility | Soluble in DMF, slightly soluble in methanol | Complies | |||
| 3 | Identification | (A) (C) (D) | Complies | |||
| 4 | Melting point | 2440 – 2480C | 2470C | |||
| 5 | Loss on drying | NMT 0.5 % | 0.15 % | |||
| 6 | Assay | Limit 99% to 101 % | 99.30 % | |||
| 7 | Sulphated ash | NMT 0.1 % | 0.012 % | |||
| 8 | Related substance by HPLC | |||||
| Single impurity | Any individual impurity Not More Than 0.25% w/w | 0.18 % | ||||
| Total impurity | Not more than 0.5 % w/w | 0.37 % | ||||
