CAS number: 22071-15-4;22161-81-5
Molecular formula: C16H14O3
molecular weight: 254.2806
Chemical structure:
Product Name | Ketoprofen | |
Shelf Life | 5 years | |
Analysis content | Standard | Analysis results |
Characters | Odourless or almost odourless white crystalline powder | Meets |
Identification | ||
Clarity of solution | clear | clear |
Colour of solution | ≤r.s.Y6 | <Y6 |
Assay(alkametric) | 99.0~100.5% | 99.6% |
Assay(HPLC) | 99.0~100% | 99.69% |
Loss on drying | 0.5%max | 0.14% |
Residue on ignition | 0.2%max | 0.07% |
Melting point | 94~97℃ | 94.5—95.0℃ |
Heavy metals | 0.002% max | <0.002% |
HPLC sum of other impurities | 0.4% max | 0.13% |
the largest individual impurity (HPLC) | 0.2%max | 0.18% |
Specific Rotation | Between +1º and -1º | 0 |
Organic Volatile impurities | Meets | Meets |
Conclusion: | Complies with requirements of USP/EP. |