The 9 digit number is a CUSIP. It's a unique identifier for a security instead of the shorthand ticker symbol. It may take a few days for your broker's corporate action department to catch up with the ticker change, but you should still be able to sell.

If you can sell, that is the easiest way to establish the loss for tax purposes. In all likelihood, it will become worthless, so you might as well get the tax benefit now.

you dont hold on to penny stocks bro it's all buy low sell high..you got burned..check out tim sykes