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Ethylphenidate

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EPH
Ethylphenidate
Molecular structure via molpic based on CDK
Physical properties
[]
247.33 g/mol [1]
0.6 [1]
Structural Identifiers
[]
C15H21NO2 [1]
ethyl 2-phenyl-2-piperidin-2-ylacetate [1]
CCOC(=O)C(C1CCCCN1)C2=CC=CC=C2 [1]
InChI=1S/C15H21NO2/c1-2-18-15(17)14(12-8-4-3-5-9-12)13-10-6-7-11-16-13/h3-5,8-9,13-14,16H,2,6-7,10-11H2,1H3 [1]
InChIKeyAIVSIRYZIBXTMM-UHFFFAOYSA-N [1]
Dosing[]
Oral
[]
Light≤ 42 mg(13x - 54.2%)
Common42 mg
Strong40 - 75 mg(11x - 45.8%)
Heavy75 mg
Extreme75 mg +
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.

Ethylphenidate (also known as 2-Piperidineacetic acid, α-phenyl-, ethyl ester, Dtxsid60912317, ethyl phenyl(2-piperidinyl)acetate, Dtxcid40842860, 984DG861KD, Ethyl 2-phenyl-2-(piperidin-2-yl)acetate, ethyl phenyl(piperidin-2-yl)acetate, Chembl534479, Ethylphenidat or Methyl phenidate impurity E) is a stimulant substance of the phenidate class.

Chemistry

 []

Ethylphenidate is a racemic mixture of the .

(5S,6S)-EthylphenidateGenerated by the Chemistry Development Kit (http://github.com/cdk)
(5R,6S)-EthylphenidateGenerated by the Chemistry Development Kit (http://github.com/cdk)
(5S,6R)-EthylphenidateGenerated by the Chemistry Development Kit (http://github.com/cdk)
(5R,6R)-EthylphenidateGenerated by the Chemistry Development Kit (http://github.com/cdk)
Stereoisomer enumberation with rdkit

Pharmacology

Metabolism

Subjective effects []

class / Stimulant
0xea / Ethylphenidate []
Routes:
  • Oral
Salts:
  • Hydrochloride
Active Effects:Notes:
  • passed out on it on both occasions

Experience reports []

There are currently 25+ experience reports involving ethylphenidate on :

 []

  • Australia: Ethylphenidate is a S8 (Controlled Drug) substance.
  • Brazil: Ethylphenidate is a F2 substance.[2]
  • Canada: Ethylphenidate is a Schedule 3 substance.
  • United Kingdom: Ethylphenidate is a Class B substance.
  • Germany: Ethylphenidate is a Anlage II substance.
  • United Nations: Ethylphenidate is a Schedule II drug under the "Convention on Psychotropic Substances 1971".

See also []

External links []

References []

  1. National Center for Biotechnology Information. PubChem Compound Summary for CID 3080846, Ethylphenidate. Accessed May 8, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/3080846

  2. Anvisa. RDC Nº 804 - Listas de Substâncias Entorpecentes, Psicotrópicas, Precursoras e Outras sob Controle Especial. Diário Oficial da União. July 24, 2023. Accessed May 8, 2026. https://www.in.gov.br/en/web/dou/-/resolucao-rdc-n-804-de-24-de-julho-de-2023-498447451