basicly they don't have any study to know how mush time the gear could be stored before expiration....
one billion years... who knows...
more seriously, the oxandrolone i ran whas made in 1991 and i can insure you it was good.
ther's a difference with the oily solution, sure, but i'm sure without light and if the rubber is safe, it could be stored average 8 years. ( this before deterioration of rubber on top) and the UGLS say just the half to be sure.
the rubber used for vilas by UGL is the same used in labs to keep chemical solution, and it's safe for 8 years.
you could be quiet and run it, you could if case of doubt 0.5 cc of BA/ 10 ml solution.