This does sound like a perimid scam. Especially when you can buy it for one fith of that price. But Cetyl Myrisitoleate is a great product. I have used it for three years and have not had arthritis pain since. I have put all the medical articles I can find on a web site, I hope it is helpful.
http://downlinebuilders.net/rusty/cetyl-myristoleate/
Rusty