Items | Specifications | Results | Conclusion |
Appearance | white or almost white powder | White powder | conform |
Solubility | Freely soluble in methanol,acetone and ethyl acetate,soluble in ethanol | conform | conform |
Specific rotation | -22°~ -26° (Anhydrous) | -25° | conform |
Identification | IR spectra is consistent with CRS | conform | conform |
HPLC:Complies with reference | conform | conform | |
Related substances | Impurity A ≤0.5% | ND | conform |
Impurity B ≤0.5% | ND | conform | |
Impurity C ≤0.5% | ND | conform | |
Impurity D ≤0.5% | ND | conform | |
Impurity E ≤0 5% | ND | conform | |
Impurity F ≤2.0% | 0.47% | conform | |
Other single impuritiy)≤0.2% | 0.16% | conform | |
Total impurities)≤6.0% | 0.72% | conform | |
Water | ≤2.5% | 1.8% | conform |
Bacterial endotoxin | <2EU/mg | conform | conform |
Residue on ignition | ≤0.1% | <0.1% | conform |
Heavy metal | ≤0.0020% | <0.0020% | conform |
Assay | 95.0%~103.0% (Anhydrous) | 99.7% | conform |
mode of transportation | ||
By Air | By Express | By Sea |
suitable for >50 | suitable for sampple order or <50 | suitable for >300 |
Fast:3-7 days | Fast:3-10 days | Fast: 7-45 days |
lower than the express cost | high shipping cost | lowest cost |