CAS number： 147098-20-2
Molecular formula： C44H54CaF2N6O12S2
molecular weight： 1001.14
Chemical structure：
| Sr No. | Test | Specification | Result | |
| 1 | Appearance | A off- white or cremish white crystalline powder | A white powder | |
| 2 | Solubility | Soluble in 100 parts of N,N- dimethyl formamide | Complies | |
| 3 | Identification | To comply the test A and B | Complies | |
| 4 | Related Substances | |||
| Single impurity | NMT 0.5 % | Complies | ||
| Total Impurities | NMT 1.2 % | Complies | ||
| 5 | Water | NMT 8.0 % | 1.29% | |
| 6 | Assay ( By HPLC ) | 98.0 % to 102.0 % ( anhydrous substances) | 99.89% | |
