| ANALYTICAL ITEMS | SPECIFICATION |
| Appearance | White crystalline powder |
| Identification | IR |
| Appearance of solution | Clear and colorless |
| Specific rotation | -16.5~-18.5° |
| pH | 3.0~4.0 |
| Loss on drying | ≤0.5% |
| Residue on ignition | ≤ 0.5% |
| Assay (L-Carnitine) | 58.5%±1.0% |
| Assay (Fumarate acid) | 41.5%±1.0% |
| Heavy Metals | <10ppm |
| Pb | ≤3ppm |
| As | ≤1ppm |
| Cd | ≤1ppm |
| Hg | ≤0.1ppm |