Testosterone Cypionate Injection, USP for intramuscular injection, contains Testosterone Cypionate, USP which is the oil-soluble 17 (beta)- cyclopentylpropionate ester of the androgenic hormone testosterone.
Testosterone Cypionate, USP is a white or creamy white crystalline powder, odorless or nearly so and stable in air. It is insoluble in water, freely soluble in alcohol, chloroform, dioxane, ether, and soluble in vegetable oils.
The chemical name for Testosterone Cypionate, USP is androst-4-en-3-one,17-(3-cyclopentyl-1-oxopropoxy)-, (17β)-. Its molecular formula is C27H40O3, and the molecular weight 412.61.
The structural formula is represented below: