TEST |
SPECIFICATIONS |
RESULTS |
Appearance |
White Or Almost White Crystalline Powder. Melts At About 257°C |
Complies |
Assay (HPLC, Based On Drying) |
98.5% ~ 101.0% Calculated On anhydrous Basis |
99.55% |
Identification Infrared Absorption
Retention time
|
Corresponds To Spectrum Of USP Finasteride RS
Retention Time Of Major Peak of Assay Preparation corresponds To USP Finasteride RS Preparation |
Corresponds To Spectrum Of USP Finasteride RS
Retention Time Of Major peak Of Assay Preparation corresponds To USP Finasteride RS Preparation |
Specific Rotation |
-56.0°~ -60.0° |
-57.5° |
Melting Point |
Melts At About 257° |
complies |
Solubility |
Free Soluble In Chloroform And in Alcohol,very Slightly Soluble in Water |
Complies
|
Water (Method I) |
≤0.3% |
0.16% |
Residue On Ignition |
≤0.1% |
0.07% |
Heavy Metals (Method II) |
≤10 Ppm |
Complies |
Chromatographic Purity |
Single Largest Impurity: ≤0.5% |
0.09% |
|
Total Impurities: ≤1.0% |
0.28% |
Particle Size |
100% < 30 Micron |
Complies |
|
90% < 25 Micron |
Complies |
Conclusion |
The Test Product Complies With The Requirements Of USP32. |