 |
| Cantidad: | |
|---|---|
DY15112
79-57-2
201-212-8
C22H24N2O9
oxytetracycline
| Index Name | Specifications |
| Appearance | A yellow crystalline powder |
| PH | 4.5 to 7.5 |
| Absorbance | 290 to 310 |
| Light-absorbing impurities | 430nm A 0.25 max 490nm A 0.20 max |
| Related substance | 4-epioxytetracyclin 0.5% max Tetracycline 2.0% max 2-acetyl-2-decarbam oxytetracycline disregard limit 2.0% max |
| Specific optical rotation | -203.0 to -216.0degree |
| Heavy metals | 50ppm max |
| Water | 6.0 to 9.0% |
| Sulphated ash | 0.5%max |
| Assay | 95.0 to 102.0% |
| Index Name | Specifications |
| Appearance | A yellow crystalline powder |
| PH | 4.5 to 7.5 |
| Absorbance | 290 to 310 |
| Light-absorbing impurities | 430nm A 0.25 max 490nm A 0.20 max |
| Related substance | 4-epioxytetracyclin 0.5% max Tetracycline 2.0% max 2-acetyl-2-decarbam oxytetracycline disregard limit 2.0% max |
| Specific optical rotation | -203.0 to -216.0degree |
| Heavy metals | 50ppm max |
| Water | 6.0 to 9.0% |
| Sulphated ash | 0.5%max |
| Assay | 95.0 to 102.0% |