Fluorogestone Acetate (also known as Flurogestone Acetate, Flugestone Acetate, Fluorogesterone Acetate) was first synthesised by G. D. Searle and Company in 1959. The chemical, which has progestogen activity, was identified as SC-9880. Fluorogestone acetate showed a high potency with short duration of activity and performed physiologically similar to progesterone. FGA was approximately 20 ?– 25 times more potent than progesterone. Flurogestone acetate was shown to be readily absorbed from impregnated sponges. A 30mg impregnated sponge was effective in blocking ovulation and oestrus, once the sponge was removed impregnated ewes showed visible oestrus, and if inseminated 2 to 4 days after sponge removal showed high conception rates. (Source: http://pharmplex.com.au/Technical/fluorogestone_acetate_sheep_goat.htm).

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.