SPL Set ID: 80b6dfe6-449d-4e2f-af90-bfbf9b04163b

Fulvestrant injection for intramuscular administration is an estrogen receptor antagonist. The chemical name is 7-alpha-[9-(4,4,5,5,5-pentafluoropentyl)sulfinyl)nonyl]estra-1,3,5-(10)-triene-3,17-beta-diol. The molecular formula is C 32 H 47 F 5 O 3 S and its structural formula is: Fulvestrant, USP is a white or almost white powder with a molecular weight of 606.77. The solution for injection is a sterile, clear, colorless to yellow, viscous liquid. Each injection contains as inactive ingredients: 12.285% v/v Alcohol,USP, 10% w/v Benzyl Alcohol, NF, and 15% w/v Benzyl Benzoate, USP, as co-solvents, andmade up to 100% w/v with Castor Oil, USP as a co-solvent and release rate modifier. fulvestrant structure