Chemistry.com is an online dating service owned and operated by Match.com. The catch to Chemistry.com is the focus on personality profiling to find people that are most compatible for you.

To signup, just go to Chemistry.com. You can also get a free 3 day trial at Personals.com

There is a cancel process online on the Chemistry.com website, but it often requires that you call a toll-free number to cancel your account. You should get an email confirmation when your account is canceled so that you know it was processed.