| Product Name | |
| CAS /span> | 171596-29-5 |
| Molecular formula | C22H19N3O4 |
| Molecular weight | 389.4 |
| Appearance | Off-White Cyrstald |
| Melting point | 298-300ºC |
| Boiling point | 679.1ºC at 760 mmHg |
| Relative density | 1.51 g/cm3
Items | Standard | Results of analysis | Appearance | White to class white powder | Class white powder | Solubility | Almost insoluble in water, soluble in dimethyl sulfoxide, slightly soluble in dichloromethane | Conforms | Speicific rotation | +78.0°~+84.0° | +82.3° | Ordinary impurities (Do not calculate isomer A+C) | Single impurity≤0.15% | 0.03% | Total impurities≤1.0% | 0.09% | Calculate isomer | A≤0.15% | 0.02% | B≤0.1% | Not detected | C≤0.1% | Not detected | Loss on drying | ≤0.5% | 0.31% | Residue on ignition | ≤0.1% | Conforms | Heavy metal | 20ppm | Conforms | Assay | 97.5%-102.0% | 99.8% |
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