boss said:bro you know as well as i do that once the seal of a sterile vial is broken it's no longer is sterile. the best is never to transfer from anything to be 100%, true it wont kill you but it's the safe way to go.
1st of all i wouldnt be faced with ths choice. I would shoot the 100mg. 2nd perhaps not sterile (never claimed the method was) but certainly better than leaving excess in open amp 4 next dose.