Round pink scored tablet imprinted C on one side and 86 over 62 on the scored side is 400 mg
Skelaxin (metaxalone), a muscle relaxant.
More info:
http://skelaxin.drugs.com/
I'm not a pharmacist or a medical doctor. This message is not medical advice nor is it an offer to provide medical advice. All drug identifications should be validated by a licensed MD or pharmacist.