MA

Molecular structure via molpic based on CDK

Physical properties []
Molecular mass	149.23 g/mol ^[1]
Predicted LogP	2.1 ^[1]

Structural Identifiers []
Molecular formula	C₁₀H₁₅N ^[1]
IUPAC name	N-methyl-1-phenylpropan-2-amine ^[1]
SMILES	CC(CC1=CC=CC=C1)NC ^[1]
InChI	InChI=1S/C10H15N/c1-9(11-2)8-10-6-4-3-5-7-10/h3-7,9,11H,8H2,1-2H3 ^[1]
InChIKey	MYWUZJCMWCOHBA-UHFFFAOYSA-N ^[1]

Pharmacokinetics[]
Elimination half-life	9 – 12 hours (range 5 – 30 hours); irrespective of route
Duration of action	8 – 12 hours^[4]

Methamphetamine

Methamphetamine is a stimulant substance of the amphetamine class.

Chemistry

Methamphetamine is a racemic mixture of the enantiomers

Physical effects
Abnormal heartbeat Appetite suppression Dehydration Dry mouth Increased blood pressure Increased heart rate Increased libido Restless legs Shakiness Stamina enhancement Stimulation Teeth grinding Vasoconstriction

Cognitive effects
Analysis enhancement Cognitive euphoria Compulsive redosing Disinhibition Ego inflation Focus enhancement Increased music appreciation Mania Motivation enhancement Suggestibility suppression Thought acceleration Wakefulness

Anodyne Usernotes []
0xea / Methamphetamine^{[hydrochloride]} via Oral, Insufflated, Intrarectal, Subcutaneous, Intramuscular, Intravenous and Vaporized	strong stimulation; intense euphoria; long half-life but short euphoria; strong dry mouth); frequently causes headaches

Australia: Methamphetamine is a S8 substance.
Brazil: Methamphetamine is a F2 substance.^[3]
Canada: Methamphetamine is a Schedule I substance.
Germany: Methamphetamine is a Anlage II substance.
New Zealand: Methamphetamine is a Class A substance.
United Kingdom: Methamphetamine is a Class A substance.
United States: Methamphetamine is a Schedule I under the "Controlled Substances Act (CSA)".
United Nations: Methamphetamine is a Schedule II substance.

National Center for Biotechnology Information. PubChem Compound Summary for CID 1206, DL-methamphetamine. Accessed November 9, 2025. https://pubchem.ncbi.nlm.nih.gov/compound/1206
U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Methamphetamine. UNII: 13ZT6YG5SD. Global Substance Registration System. Accessed November 9, 2025. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/13ZT6YG5SD
Anvisa. RDC Nº 804 – Listas de Substâncias Entorpecentes, Psicotrópicas, Precursoras e Outras sob Controle Especial. Diário Oficial da União. July 24, 2023. Accessed November 9, 2025. https://www.in.gov.br/en/web/dou/-/resolucao-rdc-n-804-de-24-de-julho-de-2023-498447451
Courtney KE, Ray LA. Methamphetamine: an update on epidemiology, pharmacology, clinical phenomenology, and treatment literature. Drug Alcohol Depend. October 1, 2014; 143():11–21.