Product Brief Introduction
Product name: Cephalexin Monohydrate
CAS: 23325-78-2
MF: C16H19N3O5S
MW: 383.85
Product Specification
|
Appearance |
White to off-white crystalline powder |
|
Identification |
IR: the infrared absorption spectrum of the sample complies with the reference standard. |
|
|
The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay. |
|
Crystallinity |
Meet the standards |
|
Specific Rotation |
+149.0°~ +158.0° |
|
PH |
3.0-5.5 |
|
Moisture |
4.0%~8.0% |
|
Bulk Density |
Meet the standards |
|
Tapped Density |
Meet the standards |
|
Related Substances |
Single impurity ≤ 1.0% |
|
|
Total impurities ≤ 5.0% |
|
Residual Solvents |
Methanol ≤ 0.3% |
|
|
Acetone ≤ 0.3% |
|
|
N, N-dimethylformamide ≤ 0.088% |
|
|
Methylene chloride ≤ 0.06% |
|
Assay (on anhydrous basis) |
95.0%~103.0% |



