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
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.