List of Schedule IV drugs (US)

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    This is the list of Schedule IV drugs as defined by the United States Controlled Substances Act.[1] The following findings are required for drugs to be placed in this schedule:[2]

    1. The drug or other substance has a low potential for abuse relative to the drugs or other substances in schedule III.
    2. The drug or other substance has a currently accepted medical use in treatment in the United States.
    3. Abuse of the drug or other substance may lead to limited physical dependence or psychological dependence relative to the drugs or other substances in schedule III.

    The complete list of Schedule IV drugs follows.[1] The Administrative Controlled Substances Code Number for each drug is included.

    Narcotics[edit]

    ACSCN Drug
    9167 Not more than 1 milligram of difenoxin and not less than 25 micrograms of atropine sulfate per dosage unit
    9278 Dextropropoxyphene[3]
    9752 Tramadol[4]

    Depressants[edit]

    ACSCN Drug
    2731 Alfaxalone[5]
    2882 Alprazolam[6]
    2145 Barbital
    2748 Bromazepam[7]
    2749 Camazepam[8]
    8192 Carisoprodol[9]
    2460 Chloral betaine
    2465 Chloral hydrate
    2744 Chlordiazepoxide[10]
    2751 Clobazam[11]
    2737 Clonazepam[12]
    2768 Clorazepate[13]
    2752 Clotiazepam[14]
    2753 Cloxazolam[15]
    2410 Daridorexant[16]
    2754 Delorazepam[17]
    2765 Diazepam[18]
    2467 Dichloraphenazone[19]
    2756 Estazolam[20]
    2540 Ethchlorvynol
    2545 Ethinamate
    2758 Ethyl loflazepate[21]
    2759 Fludiazepam[22]
    2763 Flunitrazepam† [23]
    2767 Flurazepam[24]
    2138 Fospropofol[25]
    2762 Halazepam[26]
    2771 Haloxazolam[27]
    2772 Ketazolam[28]
    2245 Lemborexant[29]
    2773 Loprazolam[30]
    2885 Lorazepam[31]
    2774 Lormetazepam[32]
    2800 Mebutamate[33]
    2836 Medazepam[34]
    2820 Meprobamate
    2264 Methohexital
    2250 Methylphenobarbital (mephobarbital)
    2884 Midazolam[35]
    2837 Nimetazepam[36]
    2834 Nitrazepam[37]
    2838 Nordiazepam[38]
    2835 Oxazepam[39]
    2839 Oxazolam[40]
    2585 Paraldehyde
    2591 Petrichloral
    2285 Phenobarbital
    2883 Pinazepam[41]
    2764 Prazepam[42]
    2881 Quazepam[43]
    2223 Suvorexant[44]
    2925 Temazepam†[45]
    2886 Tetrazepam[46]
    2887 Triazolam[47]
    2781 Zaleplon[48]
    2783 Zolpidem[49]
    2784 Zopiclone[50]

    †Flunitrazepam has not been approved by the Food and Drug Administration for medical use, and is considered to be an illegal drug.

    †Temazepam may require a specially coded prescription in certain States.

    Lorcaserin[edit]

    ACSCN Drug
    1625 Lorcaserin[51]

    Stimulants[edit]

    ACSCN Drug
    1230 Cathine[52]
    1610 Diethylpropion[53]
    1760 Fencamfamin[54]
    1575 Fenproporex[55]
    1605 Mazindol[56]
    1580 Mefenorex[57]
    1680 Modafinil and enantiopure armodafinil[58]
    1530 Pemoline[59]
    1640 Phentermine[60]
    1750 Pipradrol[61]
    1675 Sibutramine[62]
    1650 Solriamfetol[63]
    1635 SPA / (-)-1-dimethylamino- 1,2-diphenylethane[64]

    Others[edit]

    ACSCN Drug
    9709 Pentazocine[65]
    9720 Butorphanol[66]
    9725 Eluxadoline[67]

    References[edit]

    1. ^ a b 21 CFR 1308.14 (CSA Sched IV) with changes through 77 FR 64032 (Oct 18, 2012). Retrieved September 6, 2013.
    2. ^ 21 U.S.C. § 812(b)(4) retrieved October 2, 2007
    3. ^ "Classification of Dextropropoxyphene as a Narcotic Drug in Schedule IV of the Controlled Substances Act" (PDF). Isomer Design. Drug Enforcement Administration. July 24, 1980. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    4. ^ "Schedules of Controlled Substances: Placement of Tramadol Into Schedule IV". Federal Register. Drug Enforcement Administration. July 2, 2014. Retrieved January 16, 2023.
    5. ^ "Schedules of Controlled Substances: Placement of Alfaxalone into Schedule IV". Federal Register. Drug Enforcement Administration. February 27, 2014. Retrieved January 16, 2023.
    6. ^ "Schedules of Controlled Substsnces; Placement of Alprazolam in Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. November 12, 1981. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    7. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    8. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    9. ^ "Schedules of Controlled Substances: Placement of Carisoprodol Into Schedule IV". Federal Register. Drug Enforcement Administration. December 12, 2011. Retrieved January 16, 2023.
    10. ^ "Schedules of Controlled Substances; Placement of Chlordiazepoxide, Diazepam, Oxazepam, Chlorazepate, Flurazepam, and Clonazepam into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. May 28, 1975. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    11. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    12. ^ "Schedules of Controlled Substances; Placement of Chlordiazepoxide, Diazepam, Oxazepam, Chlorazepate, Flurazepam, and Clonazepam into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. May 28, 1975. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    13. ^ "Schedules of Controlled Substances; Placement of Chlordiazepoxide, Diazepam, Oxazepam, Chlorazepate, Flurazepam, and Clonazepam into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. May 28, 1975. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    14. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    15. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    16. ^ "Schedules of Controlled Substances: Placement of Daridorexant in Schedule IV". Federal Register. Drug Enforcement Administration. April 7, 2022. Retrieved January 16, 2023.
    17. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    18. ^ "Schedules of Controlled Substances; Placement of Chlordiazepoxide, Diazepam, Oxazepam, Chlorazepate, Flurazepam, and Clonazepam into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. May 28, 1975. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    19. ^ "Schedules of controlled substances: Dichloralphenazone; placement into Schedule IV". VLEX. Drug Enforcement Administration. August 16, 2001. Archived from the original on January 16, 2023. Retrieved January 16, 2023.
    20. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    21. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    22. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    23. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    24. ^ "Schedules of Controlled Substances; Placement of Chlordiazepoxide, Diazepam, Oxazepam, Chlorazepate, Flurazepam, and Clonazepam into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. May 28, 1975. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    25. ^ "Schedules of Controlled Substances; Placement of Fospropofol Into Schedule IV". Federal Register. Drug Enforcement Administration. October 6, 2009. Retrieved January 16, 2023.
    26. ^ "Schedules of Controlled Substances: Placement of Halazepam in Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 29, 1981. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    27. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    28. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    29. ^ "Schedules of Controlled Substances: Placement of Lemborexant in Schedule IV". Federal Register. Drug Enforcement Administration. March 3, 2021. Retrieved January 16, 2023.
    30. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    31. ^ "Placement of Lorazepam in Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 7, 1977. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    32. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    33. ^ "Placement of Mebutamate in Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. January 30, 1975. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2022.
    34. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    35. ^ "Schedules of Controlled Substances; Placement of Quazepam and Midazolam into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. March 25, 1986. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    36. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    37. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    38. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    39. ^ "Schedules of Controlled Substances; Placement of Chlordiazepoxide, Diazepam, Oxazepam, Chlorazepate, Flurazepam, and Clonazepam into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. May 28, 1975. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    40. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    41. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    42. ^ "Placement of Prazepam into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. December 17, 1976. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    43. ^ "Schedules of Controlled Substances; Placement of Quazepam and Midazolam into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. March 25, 1986. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    44. ^ "Schedules of Controlled Substances: Placement of Suvorexant into Schedule IV". Federal Register. Drug Enforcement Administration. August 28, 2014. Retrieved January 16, 2023.
    45. ^ "Schedules of Controlled Substances; Placement of Temazepam into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. April 7, 1981. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    46. ^ "Schedules of Controlled Substances; Temporary Placement of Bromazepam, Camazepam, Clobazam, Clotiazepam, Cloxazolam, Delorazepam, Estazolam, Ethyl Loflazepate, Fludiazepam, Flunitrazepam, Haloxazolam, Ketazolam, Loprazolam, Lormetazepam, Medazepam, Nimetazepam, Nitrazepam, Nordiazepam, Oxazolam, Pinazepam, and Tetrazepam Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 5, 1984. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    47. ^ "Schedules of Controlled Substances; Placement of Triazolam into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. December 28, 1982. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    48. ^ "Schedules of Controlled Substances; Placement of Zaleplon into Schedule IV". Federal Register. Drug Enforcement Administration. September 15, 1999. Retrieved January 16, 2023.
    49. ^ "Schedules of Controlled Substances; Placement of Zolpidem into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. February 5, 1993. Archived from the original (PDF) on March 3, 2022. Retrieved January 16, 2023.
    50. ^ "Schedules of Controlled Substances: Placement of Zopiclone Into Schedule IV". Federal Register. Drug Enforcement Administration. April 4, 2005.
    51. ^ "Schedules of Controlled Substances: Placement of Lorcaserin Into Schedule IV". Federal Register. Drug Enforcement Administration. May 8, 2013. Retrieved January 16, 2023.
    52. ^ "Schedules of Controlled Substances; Temporary Placement of Cathine ((+ )-norpseudoephedrine), Fencamfamin, Fenproporex and Mefenorex Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. May 17, 1988. Archived from the original (PDF) on March 3, 2022. Retrieved January 16, 2023.
    53. ^ "Diethylpropion and Phentermine; Temporary Placement in Schedule IV" (PDF). Isomer Design. Bureau of Narcotics and Dangerous Drugs. July 6, 1973. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    54. ^ "Schedules of Controlled Substances; Temporary Placement of Cathine ((+ )-norpseudoephedrine), Fencamfamin, Fenproporex and Mefenorex Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. May 17, 1988. Archived from the original (PDF) on March 3, 2022. Retrieved January 16, 2023.
    55. ^ "Schedules of Controlled Substances; Temporary Placement of Cathine ((+ )-norpseudoephedrine), Fencamfamin, Fenproporex and Mefenorex Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. May 17, 1988. Archived from the original (PDF) on March 3, 2022. Retrieved January 16, 2023.
    56. ^ "Rescheduling of Mazindol into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. October 27, 1981. Archived (PDF) from the original on September 26, 2021. Retrieved January 16, 2023.
    57. ^ "Schedules of Controlled Substances; Temporary Placement of Cathine ((+ )-norpseudoephedrine), Fencamfamin, Fenproporex and Mefenorex Into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. May 17, 1988. Archived from the original (PDF) on March 3, 2022. Retrieved January 16, 2023.
    58. ^ "Schedules of Controlled Substances: Placement of Modafinil Into Schedule IV". Federal Register. Drug Enforcement Administration. January 27, 1999.
    59. ^ "Placement of Pemoline in Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. January 28, 1975. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    60. ^ "Diethylpropion and Phentermine; Temporary Placement in Schedule IV" (PDF). Isomer Design. Bureau of Narcotics and Dangerous Drugs. July 6, 1973. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    61. ^ "Pipradrol and SPA in Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. September 30, 1980. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    62. ^ "Schedules of Controlled Substances: Placement of Sibutramine Into Schedule IV". Federal Register. Drug Enforcement Administration. February 11, 1998. Retrieved January 16, 2023.
    63. ^ "Schedules of Controlled Substances: Placement of Solriamfetol in Schedule IV". Federal Register. Drug Enforcement Administration. January 7, 2020. Retrieved January 16, 2023.
    64. ^ "Pipradrol and SPA in Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. September 30, 1980. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    65. ^ "Placement of Pentazocine into Schedule IV" (PDF). Isomer Design. Drug Enforcement Administration. February 9, 1979. Archived (PDF) from the original on March 3, 2022. Retrieved January 16, 2023.
    66. ^ "Schedules of Controlled Substances Placement of Butorphanol Into Schedule IV". Federal Register. Drug Enforcement Administration. October 31, 1997. Archived from the original on January 16, 2023. Retrieved January 16, 2023.
    67. ^ "Schedules of Controlled Substances: Placement of Eluxadoline Into Schedule IV". Federal Register. Drug Enforcement Administration. November 12, 2015. Archived from the original on January 16, 2023. Retrieved January 16, 2023.
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