| |
| Items |
Specification |
| Description |
Light yellow or yellow powder or crystals,slightly hygroscopic. |
| Cas No.: |
186826-86-8 |
| Solubility |
Sparingly soluble in water ,slightly soluble in ethanol(96 per cent),practically insoluble in acetone. |
| Identification |
Specific Optical Rotation: -125°to -138°. |
| IR：Similar to the reference standard。 |
| The filtrate gives reaction of chlorides. |
| PH |
3.9 to 4.6 |
| Related substances(HPLC) |
Single Impurity A: n. m. t. 0.1% Single Impurity B: n. m. t. 0.1% Single Impurity C: n. m. t. 0.1% Single Impurity D: n. m. t. 0.1% Single Impurity E: n. m. t. 0.1% unspecified impurities: n. m. t. 0.10% Total impurities: n. m. t. 0.3% |
| Isomer content |
Not more than0.1% |
| Water (K.F) |
Not more than4.5% |
| Sulphated Ash |
Not more than0.1% |
| Assay by (HPLC) |
On anhydrous basis |
