Customization: | Available |
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Type: | Pharmaceutical Intermediates |
Appearance: | Powder |
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Items | Specifications | Result |
Appearance | Yellow crystalline powder | Complies |
Identification | TR of HPLC test | Complies |
yellow color reaction | Complies | |
Chloride's reaction | ||
PH | 2.0 TO3.0 | Complies |
Specific optical rotation |
-105° to -120°,calculated on the anhydrous,ethanol-free substance |
Complies |
Specific absorbance | 300-335 at 349nm,calculated on the anhydrous,ethanol-free substance | 99.57% |
Light-absorbing impurities | Not more than 0.07at 490nm,calculated on the anhydrous,ethanol-free substance | 0.041% |
Related substances% | <LOD (0.000006%) | |
Metacycline | ≤2.0% | 0.23 |
6-epidoxycycline | ≤2.0% | 4.19 |
Items | Specifications | Result |
Appearance | Yellow crystalline powder | Complies |
Identification | TR of HPLC test | Complies |
yellow color reaction | Complies | |
Chloride's reaction | ||
PH | 2.0 TO3.0 | Complies |
Specific optical rotation |
-105° to -120°,calculated on the anhydrous,ethanol-free substance |
Complies |
Specific absorbance | 300-335 at 349nm,calculated on the anhydrous,ethanol-free substance | 99.57% |
Light-absorbing impurities | Not more than 0.07at 490nm,calculated on the anhydrous,ethanol-free substance | 0.041% |
Related substances% | <LOD (0.000006%) | |
Metacycline | ≤2.0% | 0.23 |
6-epidoxycycline | ≤2.0% | 4.19 |