Question ladies, I have a can of Similac Sensitive sample size can it says sell by October 1, 2016. I just realized I have ran out of formula (I was thinking I had one more can on the shelf, but I was wrong.) I can't go anywhere to buy it bc everywhere locally is closed. And my son is in bed for the night and I have no one to watch him. Basically my question is, is the formula still good? I have had multiple people tell me that as long as the cab is unopened it is good for up to 6 months after t...