English Name: Fluocinolone Acetonide Chemical name: 11ß, 21 - 2-hydroxy-16a, 17 - [(1 - methyl-ethyl) - Bis (O)]-6a, 9 - difluoro-pregnane -1,4 - diene -3,20 - dione. CAS No. 67-73-2 molecularn Formula: C24H30F2O6 molecular weight 452.49 purity = =98% Slightly soluble in water White crystalline powder Standard: UsP EP Available in 25 mg (sc-204756) and 100 mg sizes