| Sr. No | Test | Specification | |
|---|---|---|---|
| 1 | Description | Yellow to Brown Colour Liquid | |
| 2 | Identification By HPLC | The retention time of main peak in the chromatograph of sample preparation should match with that in the chromatograph of working standard preparation, as obtained in the test chromatographic purity By HPLC. | |
| 3 | Water Content By KF (% w/w) | Not more than 0.5 %w/w | |
| 4 | Chromatographic purity (by HPLC % area) | Purity (Isomer-A+ Isomer-B) | Not less than 88.0% |
| Isomer-B | Between 45-55 % | ||
| Isomer-A | Between 35-45 % | ||
