Items | Standards |
Appearance | White crystalline powder |
Odor | Odorless to faint odor |
Identification (IR) | Pass test |
Identification (HPLC) | Pass test |
State of solution | Colorless to yellowish clear |
Specific rotation (at 25℃) | -103° to -93° |
Heavy metal (As Pb), mg/kg | ≤20 |
Moisture, % | ≤6.0 |
Residue on ignition, % | ≤0.5 |
Ethanol, % | ≤0.05 |
Single unknown impurity | ≤1 |
Total unknown impurity | ≤2 |
Total unknown impurity | ≤4 |
Total plate count, cfu/g | ≤100 |
Assay, % | ≥98.0 |