Each state classifies controlled dangerous substances differently. In Kansas, you won’t be surprised to hear that cocaine, heroin, methamphetamine and many other substances are classified as CDS. However, many people are surprised that the compounds used to manufacture them are also controlled. There is a bewildering array of controlled substances and being found in possession of any amount of any of them without a valid medical prescription can bring a drug possession charge. Kansas divides CDS into five “schedules”. The substances listed in each schedule are detailed in the Kansas Code