Methylprednisolone
- CAS NO. : 83-43-2
- CAT NO. : PH-API-3432
Physical State: Solid (white to almost white crystalline powder)
Molecular Formula: C₂₂H₃₀O₅
Molecular Weight: ~374.47 g/mol
Melting Point: 228–237 °C (decomposition)
Specific Rotation: [α]D²⁰ +83° (dioxane, c=1)
Boiling Point: ~423 °C (rough estimate)
Density: ~1.0868 g/cm³ (rough estimate)
Refractive Index: ~82° (c=1, dioxane)—note: this value is likely a mislabeling of specific rotation
Storage Conditions: 0–6 °C; store under inert gas, protected from light; air sensitive
Solubility: ~50 mg/mL in chloroform/methanol (9:1), clear faint yellow solution
Predicted pKa: ~12.46 ± 0.70
Water Solubility: ~0.12 g/L at 25 °C
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