| Customization: | Available |
|---|---|
| CAS No.: | 119302-91-9 |
| Formula: | C32h53brn2o4 |
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| Item | Specification | Results |
| Appearance | Almost white or pale yellow,slightly pink,slightly hygroscopic crystalline powder | Pale yellow or almost white |
| Solubility | Freely soluble in water and in anhydrous ethanol | Complies |
| Identification | (1)IR Spectrum conforms with RS | Complies |
| (2)Gives reaction of bromides | Complies | |
| Appearance of solution | Dissolve 0.10g in carbon dioxide-free water R and dilute to 10ml with the same solvent. Solution is clear. |
Complies |
| Solution is not more intensely colored than reference solution. | Complies | |
| PH | 7.0~9.5 | 9.16 |
| Specific optical rotation | +28.5°~+32.0° | +29.9° |
| Related substances | Individual known impurities A≤0.2%;(B,C)≤0.3%;(D,E,F,G,H)≤0.1% | A:0.04%;C:0.115%;F:0.09%;D,E,H,B,G: ND(≤0.05%) |
| Individual unknown impurity≤0.1% | Complies | |
| Total impurities≤1.5% | <0.5%,complies | |
| Chlorides | ≤0.1% | 0.06% |
| Heavy metals | ≤10ppm | Complies |
| Water | ≤4.0% | 2.98% |
| Sulphated ash | ≤0.1% | 0.05% |
| Endotoxins | ≤7EU/mg | <2EU/mg |
| Assay | 98.0%~102.0% | 99.53% |
| Conclusion | The test results conform to USP40. | |
The End |
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