TBH, research chemical sites are always working in a very grey area and can be closed down at any moment, especially when they tolerate sites that sell "branded chemicals" which are sold as such to avoid stating that they contain illegal banned compounds such as mephedrone,etc.
This is the case in the uk. It puts the purchaser at risk of importing banned chemicals, but the vendor gets away with it.
"Eat your vegetables and do as you're told, or you won't be going to the funfair!"