Clobetasone butyrate

CAS: 25122-57-0

Category: Steroids

Purity0.05% Cream, 0.05% Ointment, EP Reference Standard
Molecular FormulaC26H32ClFO5
Molecular Weight478.98
AppearanceWhite to off-white crystalline powder
Packaging1 kg–5 kg / aluminum-poly pouch in fiber drum
Testing IndicatorsAppearance — Visual inspection; Identification — IR, HPLC; Purity — RP-HPLC; Specific rotation — Polarimetry; Related steroids — TLC; Residual solvents — GC; Heavy metals — ICP-MS; Microbial limits — Filtration; Butyrate content — HPLC.
Storage NotesStored in a cool (8–15 °C), dry place in a tightly closed, light-proof container; protect from heat, direct sunlight, and sources of ignition.
Lead Time days
Used as the high-potency corticosteroid raw material for topical cream, ointment, and lotion formulators.