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医药中间体
Product quality inspection sheet:
| Inspection items | Standard requirements |
| Appearance | White to off white crystalline powder |
| Identify infrared | The infrared absorption spectrum of the test sample should be consistent with that of the working standard |
| Solubility | There shall be no visible particles |
| Moisture (Karl Fischer method) | No more than 0.50% |
| Loss on drying | No more than 0.5% w / W |
| Melting point | 183℃-187℃ |
| Purity | Not less than 99.0% |
| Content | Not less than 99.0% |
| Transmittance | |
| 9.1 400nm | Not less than 90.0% |
| 9.2 510nm | Not less than 94.0% |
| 9.3 650nm | Not less than 97.0% |
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