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Mephedrone

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4-MMC
Mephedrone
Salts
[]
Mephedrone hydrochloride
Generated by the Chemistry Development Kit (http://github.com/cdk)
Molecular structure via molpic based on CDK
Physical properties
[]
177.24 g/mol [1]
AppearanceFine-white to off-white or slightly colored powder ... also found in tablet or capsule form [1]
2 [1]
Structural Identifiers
[]
C11H15NO [1]
2-(methylamino)-1-(4-methylphenyl)propan-1-one [1]
CC1=CC=C(C=C1)C(=O)C(C)NC [1]
InChI=1S/C11H15NO/c1-8-4-6-10(7-5-8)11(13)9(2)12-3/h4-7,9,12H,1-3H3 [1]
InChIKeyYELGFTGWJGBAQU-UHFFFAOYSA-N [1]
Dosing[]
Insufflated
[]
Light≤ 75.3 mg(1550x - 30.5%)
Common75.3 - 90 mg(1145x - 22.5%)
Strong90 - 110 mg(1169x - 23%)
Heavy110 - 130 mg(726x - 14.3%)
Extreme130 mg +(498x - 9.8%)
Intravenous
[]
Light≤ 47.6 mg(81x - 27.6%)
Common47.6 - 60 mg(94x - 32%)
Strong60 - 80 mg(56x - 19%)
Heavy80 - 100 mg(34x - 11.6%)
Extreme100 mg +(29x - 9.9%)
Oral
[]
Light≤ 173.4 mg(146x - 37.2%)
Common173.4 - 200 mg(69x - 17.6%)
Strong200 - 300 mg(91x - 23.2%)
Heavy300 - 367.7 mg(43x - 11%)
Extreme367.7 mg +(43x - 11%)
Intrarectal
[]
Light≤ 76.1 mg(13x - 36.1%)
Common76.1 - 98 mg(5x - 13.9%)
Strong98 - 121.3 mg(9x - 25%)
Heavy121.3 - 183.4 mg(2x - 5.6%)
Extreme183.4 mg +(7x - 19.4%)
Vaporized
[]
Light≤ 8 mg(4x - 36.4%)
Common8 - 9 mg(2x - 18.2%)
Strong9 - 11.5 mg(2x - 18.2%)
Heavy11.5 - 13 mg(2x - 18.2%)
Extreme13 mg +(1x - 9.1%)
Statistically derived dosages via DBI-IGS
We do not take any responsibility for medical complications or loss of life sustained by following these dosages blindly.

Mephedrone (also known as Mephedrone, 4-methylmethcathinone, Meow meow, 4-MMC, M-CAT, 4-methylephedrone, bk-4-methylmethamphetamine, β-keto-4-methylmethamphetamine, J2.756.280i or Chebi:59331) is a substance of the cathinone class.

Chemistry

Salts []

Mephedrone is typically found in the form of its hydrochloride salt.

 []

Mephedrone is a racemic mixture of the .

(S)-MephedroneGenerated by the Chemistry Development Kit (http://github.com/cdk)
(R)-MephedroneGenerated by the Chemistry Development Kit (http://github.com/cdk)
Stereoisomer enumberation with rdkit

Subjective effects []

Pilz / Mephedrone []
Routes:
  • Insufflated (22 - 74mg)
Active Effects:Notes:
  • Very good substance to have sex on
  • The most addictive substance i consumed
0xea / Mephedrone []
Routes:
  • Oral (150 - 400mg)
  • Insufflated (25 - 115mg)
  • Intravenous (30 - 250mg)
  • Intrarectal (65 - 70mg)
  • Vaporized (5 - 30mg)
Salts:
  • Hydrochloride
Active Effects:Notes:
  • cat-piss odor

Legal status []

  • Australia: Mephedrone is a S9 substance.
  • Brazil: Mephedrone is a F2 substance.[3]
  • Germany: Mephedrone is a Anlage I substance.
  • United Kingdom: Mephedrone is a Class B substance.
  • United States: Mephedrone is a Schedule I under the "Controlled Substances Act (CSA)".
  • United Nations: Mephedrone is a Schedule II drug under the "Convention on Psychotropic Substances 1971".

See also []

  • Substituted cathinones
  • Anodyne

    • External links []

    References []

    1. National Center for Biotechnology Information. PubChem Compound Summary for CID 45266826, Mephedrone. Accessed April 15, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/45266826

    2. U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Mephedrone. UNII: 8BA8T27317. Global Substance Registration System. Accessed April 15, 2026. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/8BA8T27317

    3. Anvisa. RDC Nº 804 - Listas de Substâncias Entorpecentes, Psicotrópicas, Precursoras e Outras sob Controle Especial. Diário Oficial da União. July 24, 2023. Accessed April 15, 2026. https://www.in.gov.br/en/web/dou/-/resolucao-rdc-n-804-de-24-de-julho-de-2023-498447451