Tetraene Acetate (3TR) (cas 37413-91-5)
Compound Information: Tetraene Acetate (3TR) (CAS 37413-91-5) Category Details Name Tetraene Acetate (3TR) CAS Number 37413-91-5 Synonyms 3,20-Dioxopregna-1,4,9(11),16-tetraen-21-yl acetate; 21-Acetoxypregna-1,4,9(11),16-tetraene-3,20-dione; Prednisone Impurity 12; 3TR Molecular Formula C₂₃H₃₀O₄ Molecular Weight 382.48 g/mol Appearance White or off-white crystalline powder Purity ≥99.0% (HPLC) Melting Point 168–178°C Loss on Drying ≤0.50% Packaging 20 kg/barrel Storage Sealed, dry, stored at 2–8°C Solubility Slightly soluble in DMSO Usage – Intermediate for dexamethasone, betamethasone, and triamcinolone synthesis.– Key precursor for anti-inflammatory delta-9,11 steroids (e.g., Vamorolone). Key Notes: Let me know if further adjustments are needed!