Complaint
| Product name | Cephalexin/Keflex |
| CAS no. | 15686-71-2 |
| Molecular Formula | C16H17N3O4S |
| Molecular Weight | 347.39 |
| Brand Name | Senwayer |
Description:
White or almost white crystalline powder
Cephalexin (cefalexin) is a cephalosporin antibiotic used to treat bacterial infections of the upper respiratory tract, the middle ear, the bones, the skin, and the reproductive and urinary systems. Cephalexin (cefalexin) works by interfering with the bacteria's cell wall formation. This weakens the cell wall, causing it to rupture, and kills the bacteria.
As cephalexin (cefalexin)is only effective against certain types of bacterial infection your doctor may perform tests to identify the organisms causing the infection before beginning treatment.
Cephalexin (cefalexin) may also be used for other purposes not listed here.
Cephalexin (cefalexin) is available in capsule, tablet, and liquid forms.
Chemical Properties and Usage:
Chemical Properties White cryst. powder
Usage Cefalexin or cephalexin is a first-generation cephalosporin antibiotic. It is an orally administered agent with a similar antimicrobial spectrum to the intravenous agents cefalotin and cefazolin. Cefalexin is used to treat urinary tract infections, respir
Usage Semi-synthetic cephalosporin antibiotic .
Application
Cephalexin Hydrate is a semi-synthetic, cephalosporin antibiotic. it is a first generation cephalosporin. The compound is most effective against gram positive cocci and has moderate activity against some gram negative bacilli.
1.Cefalexin or cephalexin is a first-generation cephalosporin antibiotic. It is an orally administered agent with a similar antimicrobial spectrum to the intravenous agents cefalotin and cefazolin. Cefalexin is used to treat urinary tract infections, respir.
2.Semi-synthetic cephalosporin antibiotic.
| Test Item | Specification | Result |
| Appearance | White or almost white crystalline powder | White crystalline powder |
| Identification | Complies | Complies |
| PH | 4.0~5.5 | 4.8 |
| Water | 4.0%~8.0% | 5.60% |
| Specific Optical Rotation (anhydrous substance) | +149° ~+158° | +156.0° |
| Absorbance at 330nm | ≤ 0.05 | 0.012 |
| Absorbance at 262nm (anhydrous substance) | 220-245 | 231.9 |
| Assay(anhydrous substance) | 95.0%~102.0% | 99.8% |
| Related Substances Impurity B Any Other Impurity Total | ≤ 1.0% ≤ 1.0% ≤ 3.0% | 0.00 0.04 0.12 |
| Sulphated Ash | ≤ 0.2% | 0.02% |
| N, N-Dimethylaniline | Not more than 20ppm | Not detected |
| Appending Item Bulk Density (g/ml) Tapped Density (g/ml) | ---- ---- | 0.56 0.79 |
| Conclusion: This batch complies with the specification | ||
