You need to listen to everybody on here they already tested that shit, It's like 20 some percent pure, Don't even think about it . Trying to freeze it... that shit doesn't even work right! Even with pure raws. That's why I quit fucking with test e, It melts way too easy and if you try to brew with it, It's like shooting yourself in the ass with a 22, it fucking hurts like hell. Raws don't seem to brew right once they melt ,whether they're good or not. I think it causes them to degrade somebody else on here that's more knowledgeable on the subject can explain, but it is bad and you don't want to do it.