4-Hydroxy Testosterone
Chemical Name: 4-Androsten-4,17beta-ol-3-one
CAS:566-48-3
Molecular Formula: C19H28O3
Molecular weight: 304.42
Standard: Enterprise Standard
Appearance: White or white crystalline powder
Usage: Pharmaceutical raw materials
Description:
Test Items | Specification | Test Results |
Identification | TLC | Positive |
UV spectrum | Positive | |
IR spectrum | Positive | |
Characteristics | White to almost white crystalline powder | Conform |
Melting point | 162~168ºC | 152~166ºC |
Specific optical rotation | +79°~ +85° | +82.5° |
Loss on drying | ≤2.0% | 1.1% |
Assay | 97~103% | 99.08% |
Related substances | ≤1.0% | Pass |
Residual solvents(GC) | Acetone ≤100ppm | Pass |
Methanol ≤100ppm | Pass | |
Pyridine ≤100ppm | Pass | |
Conclusion | This batch is complies with USP31 |
Contact information:
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