| Item | Specification | Result | |
| Description | White or almost white, crystalline powder | White crystalline powder | |
| Identification | IR spectrum is consistent with etodolac RS | Conforms | |
| Water | ≤0.5% | 0.07% | |
| Residue on ignition | ≤0.1% | 0.02% | |
| Limit of Chloride | ≤0.03% | 0.001% | |
| Heavy metals | ≤0.001% | ＜0.001% | |
| Limit of alcohol and methanol | Methanol≤0.1% | ＜LOD (10ppm) | |
| Alcohol≤0.1% | 0.01% | ||
| Chromatographic purity | Related components A≤0.5% | 0.12% | |
| Any unknown impurity≤0.10% | 0.04% | ||
| Total impurities≤2.0% | 0.17% | ||
| Assay | 98.0-102.0% | 99.5% | |
| Particle size | D(v.o.9)≤10um | Conforms | |
