| Item | Standard | Testing Result |
| Appearance | White to grayish-white flakes | Accordant |
| Assay | 99.00%min | 99.23% |
| HPLC Purity | 99.7%min | 99.86% |
| Catechol | 0.05%max | 0.00% |
| Hydroquinone | 0.05%max | 0.00% |
| Phenol | 0.05%max | 0.00% |
| Freeing point | 109.00ºCmin | 109.55ºC |
| Item | Standard | Testing Result |
| Appearance | White to grayish-white flakes | Accordant |
| Assay | 99.00%min | 98.60% |
| HPLC Purity | 99.7%min | 99.52% |
| Catechol | 0.05%max | 0.01% |
| Hydroquinone | 0.05%max | 0.04% |
| Phenol | 0.10%max | 0.05% |
| Freeing point | 109.00ºCmin | 108.5ºC |