Competitive price Azithromycin Dihydrate/117772-70-0
CAS No.:117772-70-0
2.Color:white powder
3.Standard:USP26,USP32,USP34
3.Packing: 25 KG/DRUM
Specification:
| Item | Standard | Result | |||
| Characters | White crystallinity powder | Complies | |||
| Identification | a) Infrared Absorption | Complies | |||
| b) HPLC | Complies | ||||
| Specific rotation | -45°~ -49° | -47° | |||
| Crystallinity | Meets the requirements | Complies | |||
| pH | 9.0~11.0 | 10.3 | |||
| Water | 4.0~5.0% | 4.3% | |||
| Residue on ignition | ≤0.3% | 0.07% | |||
| Heavy metals | ≤25% | less than0.0025% | |||
| Assay | 945~1030μg/mg (C38H72N2O12)Based on anhydrous substance | 990μg/mg | |||
Storage:
kept in a light-proof,well-colsed,dry and cool place.
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