CFR›Title 21›Chapter I›Part 340›Subpart B ContainsSection 340.10CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart B—Active Ingredient Sections 340.10 § 340.10 Stimulant active ingredient. Previous A Subpart A—General Provisions Next C Subpart C—Labeling