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Cefradine Arginine
| ITEMS | LIMIT |
| Appearance | white or similar to white crystalline powder |
| Specific optical rotation[ α ]D20 | +80°- +88°PH4.6 acetate buffer solution |
| Acidity | PH3.8-5.7 |
| Cephalexin | ≤ 2.0% |
| Cefradin polymer | ≤ 0.05% |
| 7-Amino-descetoxy-cephalosporanic acid | ≤ 0.8% |
| Dihydrophenylglycine | ≤ 0.8% |
| Single impurity | ≤ 1.8% |
| Total impurities | ≤ 2.4% |
| Moisture | ≤ 4.5% |
| Residue on ignition | ≤ 0.2% |
| Heavy metal | ≤ 20ppm |
| Assay | ≥ 92.0% |
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