The Ecstasy Drug Test Kit uses the Marquis reagent, the original MDMA test, to detect the presence of ecstasy/MDMA and related substances such as MDA, MDE, and MBDB. This test also reacts to other substances such as DXM, 2C-B, amphetamine/speed, and some opiates. The Marquis reagent test is the first step in the EZ-Test range and offers a quick and easy way to obtain evidence of the substance potentially present in your sample.