How long is a pina colada mixer good for?

Question

I have a bottle of Master of Mixes: Pina Colada Mixer. It been opened in my fridge potentially 2 years maybe less. I really have no idea when I opened it. Do these things ever go bad? There's no expiration date but there are some numbers printed on the bottle..

"1-C2227"

"217 B1 0442"

Answer 1

Nothing A Pina Colada is  worthless

Answer 2

Toss it...after being opened, it's good for 6 months, tops.