Methylphenidate hydrochloride

threo-Methyl α-phenyl-α-(2-piperidyl)acetate hydrochloride, Ritalin hydrochloride
Empirical Formula (Hill Notation):
C14H19NO2 · HCl
CAS Number:
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MDL number:
PubChem Substance ID:

Quality Level

drug control

USDEA Schedule II; Home Office Schedule 2; stupéfiant (France); kontrollierte Droge in Deutschland; regulated under CDSA - not available from Sigma-Aldrich Canada; psicótropo (Spain); Decreto Lei 15/93: Tabela IIB (Portugal)

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Forensics and Toxicology


Johnson & Johnson

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InChI key


Gene Information

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Biochem/physiol Actions

CNS stimulant; releases catecholamines; potent inhibitor of dopamine reuptake


Exclamation markHealth hazard

Signal Word


Hazard Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

R Kuczenski et al.
The Journal of pharmacology and experimental therapeutics, 296(3), 876-883 (2001-02-22)
The prescribed use of methylphenidate (Ritalin) in the treatment of attention deficit hyperactivity disorder has risen dramatically in recent years. The relative roles of dopamine, norepinephrine, and serotonin in the therapeutic action of these drugs was assessed by comparing the...
Yvonne Groen et al.
PloS one, 8(3), e59240-e59240 (2013-04-05)
Current models of ADHD suggest abnormal reward and punishment sensitivity, but the exact mechanisms are unclear. This study aims to investigate effects of continuous reward and punishment on the processing of performance feedback in children with ADHD and the modulating...
Natalia del Campo et al.
Brain : a journal of neurology, 136(Pt 11), 3252-3270 (2013-10-29)
Through the combined use of (18)F-fallypride positron emission tomography and magnetic resonance imaging this study examined the neural mechanisms underlying the attentional deficits associated with attention deficit/hyperactivity disorder and their potential reversal with a single therapeutic dose of methylphenidate. Sixteen...
Alice Charach et al.
Pediatrics, 131(5), e1584-e1604 (2013-04-03)
The US Agency for Healthcare Research and Quality sponsored a comparative effectiveness review of interventions for preschoolers at risk for attention-deficit/hyperactivity disorder (ADHD). Medline, Cochrane CENTRAL, Embase, PsycInfo, and Education Resources Information Center were searched from 1980 to November 24...
Eduardo Bruera et al.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 31(19), 2421-2427 (2013-05-22)
Cancer-related-fatigue (CRF) is common in advanced cancer. The primary objective of the study was to compare the effects of methylphenidate (MP) with those of placebo (PL) on CRF as measured using the Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F) fatigue...

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