U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 30, 2025

All TitlesTitle 21Chapter IPart 250Subpart B - Subpart B—New Drug or Prescription Status of Specific Drugs
§ 250.100 - Amyl nitrite inhalant as a prescription drug for human use.
§ 250.101 - Amphetamine and methamphetamine inhalers regarded as prescription drugs.
§ 250.102 - Drug preparations intended for human use containing certain “coronary vasodilators”.
§§ 250.103-250.104 - §[Reserved]
§ 250.105 - Gelsemium-containing preparations regarded as prescription drugs.
§§ 250.106-250.107 - §[Reserved]
§ 250.108 - Potassium permanganate preparations as prescription drugs.
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