| Customization: | Available |
|---|---|
| CAS No.: | 65928-58-7 |
| Formula: | C20h25no2 |
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| Items | Specifications | Result |
| Appearance | white ,almost white to slightly yellow crystalline powder | Pale yellow crystalline powder |
| Identification | IR identification | Conforms |
| Melting point | From 210ºC to 218ºC | 213ºC~214ºC |
| Specific rotation | -358.0°~-338.0° | -349.6° |
| Related substances | Total impurities ≤0.5% | 0.042% |
| Max unknown single impurity ≤0.1% | 0.023% | |
| Residual solvent | Tetrahydrofura n ≤0.072% | N.D. |
| Acetonitrile Ethy l acetate≤0.041% | N.D. | |
| Dichloromethan e≤0.06% | 0.058% | |
| Aceto ne≤0.5% | 0.016% | |
| Meth yl tert-buty l ether ≤0.5% | N.D. | |
| Acetic acid ≤0.5% | 0.038% | |
| Isopropano l≤0.5% | N.D. | |
| Loss on drying | ≤0.3% | 0.030% |
| Residue on ignition | ≤0.1% | 0.045% |
| Heavy metal | ≤10ppm | <10ppm |
| Assay | 98.0%~102.0% | 99.98% |
| Conclusion | The product conforms to the above specifications | |
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