#TestIt Alert: Clear capsule of brown powder sold in San Diego, CA as MDMA but actually contains caffeine, lidocaine, MDPV, and 5-MeO-DALT 

By: Rachel Clark, DanceSafe Contractor A clear capsule containing a brown powder was sold in San Diego, CA as MDMA but actually contained 5 parts caffeine, 2 parts lidocaine, 1 part MDPV, and 1 part 5-MeO-DALT. The sender noted that it has a very strong, odd smell. The sample was both sourced and sold in San Diego, CA.  The sample turned yellow to brown in the presence of Marquis and red-brown in the presence of both Mecke and Mandelin reagents.  Caffeine is a common adulterant of MDMA, due to its stimulating and wakefulness-inducing properties.  Lidocaine is typically used to adulterate cocaine and other substances...