| Function: | Antibiotic and Antimicrobial Agents |
|---|---|
| Certification: | GMP |
| Grade Standard: | Medicine Grade |
| Type: | Chemical Reagent |
| State: | Powder |
| Volatile: | Not Volatile |
| Samples: |
|---|
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Audited Supplier | Items | Standard |
| character | White or almost white powder odorless, tasteless |
| Melting point | 165ºC~169ºC |
| Optical rotation | -0.10°~+0.10° |
| Identify | 1.In the HPLC chromatogram, the retention time of the main peak of the test substance and the control substance is the same. 2.he infrared absorption spectrum of this product should be consistent with that of the control. 3.This solution shows the identification reaction of chloride. |
| Clarity and color of dichloromethane solution | The solution shall be clear and colorless; if it is turbid, it shall not be thicker than No. 1 turbidity standard solution; if it is colored, it shall not be deeper than orange yellow or brown red No. 4 standard solution. |
| Single impurity | Not more than 0.5% |
| Total impurities | Not more than 1.25% |
| Drying weightlessness | Not more than 0.5% |
| Scorching residue | Not more than 0.1% |
| heavy metal | Not more than 20 ppm |
| Residual solvents | CH3OH≤3000ppm CH2Cl2≤600ppm C7H8≤890ppm C5H5N≤200ppm DMF≤880ppm |
| Assay | Calculated by dry product, including C35H38Cl2N8O4; not less than 98.5% |
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