CAS number： 81-13-0
Molecular formula： C9H19NO4
molecular weight： 205.2515
Chemical structure：
| Product name: | Dexpanthenol | |
| Shelf life | Two years | |
| Inspection Standard: | USP34 | |
| Tests | Specification | Results |
| Appearance | Colorless, viscous and clear | Conform |
| liquid | ||
| Identification | A:Infrared Absorption | Conform |
| B、C:Positive reaction | Positive reaction | |
| Assay(on the anhydrous basis) | 98.0%～102.0% | 99.57% |
| Water | Not more than 1.0% | 0.42% |
| Specific rotation | +29.0° ～+31.5° | +31.08° |
| Limit of aminopropanol | Not more than 1.0% | 0.56% |
| Residue on ignition | Not more than 0.1% | 0.05% |
| Refractive Index(20℃) | Meets the requirements | Meets the requirements |
| Conclusion : Conform to USP34 | ||
