they are then assembled, packaged, and sold as research chemicals, labeled "not for human consumption" to avoid prosecution. >> is there any legitimate industrial purpose for those chemicals? >> we are not aware of any legitimate industrial or medical use for these chemicals. >> you can buy synthetic drugs on hundreds of websites that say it's all legal. we did. the cost -- around $30 a packet. >> afghan black ultra. collector's item. not for human consumption is what it says on this product description. >> we sent these collector's items to cayman chemical, an analytical lab in ann arbor, michigan. >> and that's just a mathematical comparison. >> all of them contain dangerous chemicals. >> that is the tryptamine. it's a hallucinogen. >> according to greg endres only a lab test can determine what's inside. >> we found a number of substances including synthetic cannabinoids, a hallucinogenic