52-21-1 High quality and best price Prednisolone-21-acetate 52-21-1 in stock

Product name: Prednisolone-21-acetate

CAS: 52-21-1

MF: C23H30O6

Type: Antibiotic and Antimicrobial Agents



Items Specifications Results
Character White or almost white crystallin powder Almost white crystalline powder
Specific rotation +112°~+119° +118.3°
Identification 1) Complies by IR Conforms
2) Complies by UV not more than 2.5% 1.20%
3) Positive reaction Conforms
Chromatographic purity Principal impurity not more than 1.0% 0.32%
Total impurities not more than 2.0% 0.69%
Methanol ≤3000ppm 438ppm
Pyridine ≤200ppm 31ppm
Loos on drying Not more than 1.0% 0.10%
Assay Contains 97.0% to 102.0% of C23H306 calculated on dried basis 100.40%