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This essential reference sheet provides a detailed classification of controlled substances, organized by

trade name, chemical name, category, class, and drug schedule (I-IV). The scheduling system, based on the Controlled Substances Act, categorizes drugs according

to their potential for abuse, medical use, and risk of dependence. Designed for members of the New England Narcotics Officers Association, this guide supports law enforcement efforts by aiding in drug identification, regulation, and enforcement.