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Certificate of Analysis
Product Name: CORTICOSTERONE Catalogue Number: GR-5753
Batch Size: 20KG Lot Number: 20241101
CAS Number: 50-22-6 Production Date:
Molecular Formula: C21H30O4 Report Date: 2024-10-30
Molecular Weight: 346.5 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White to off-white crystal powder White crystalline powder
Specific rotation at 20°C +215° ~+225° +220°
Loss on drying ≤0.5% 0.01%
Single impurity ≤1.0% 0.26%
Total impurity ≤2.0% 0.38%
Assay ≥98.0% 99.6%
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Prepared by: Reviewed by: Aproved by General manager:
Date: Date: Date:
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