I've long held the opinion that the crystal K that ends up on the street is mostly just leftover junk from the lab. My thinking goes something like this:
Asian lab has two semi-professional contracts, client A specifically want high-grade S-ketamine, client B wants high-grade racemic. After sorting out both clients to their requirements the lab is left with a load of "junk" K that they have no semi-pro buyers for, one batch that is pretty much mostly R type and another that is low-grade impure racemic. They sell the racemic to some asian wholesaler for a reasonable price and then sell the R-mix to another wholesaler cheap. Most of the K that ends up in the hands of western blackmarket suppliers is from these wholesalers, some suppliers will enevitably be happy to buy the cheap shit probably oblivious to whether its R-ket or any other kinda cheap K, other suppliers may buy the impure racemic for a higher price. Either way, the stuff that ends up on the streets is likely to be from these "junk" batches.
People often assume that if their K is shit or not strong that means its cut (and indeed it may be although this practise seems less common than other drugs like coke), but actually chances are its just a load of impure R-ket. As it is we then end up having to take our chances or just not bother at all (kinda my stance nowadays).
Additionally, just cos its in a vial don't mean a great deal. Dodgy asian suppliers have learnt that they can get more money by diluting their crystals in water, sticking it in a vial and putting a proffesional looking sticker on it. Really, you can only be sure vial K is proper if its come from somewhere propa (friends with a vet, someone in hospital that can sneak a few out etc) otherwise it could just as easily be any old shit just like crystals.
Of course, I'm hypothesising much of this, but when you think about the economics of the asian pharmaceutical industry and you look at the widely varying price asian wholesalers will quote you it all makes sense, to me at least.
