MA

Salts []
Hydrochloride

Saccharate

Tartrate

Molecular structure via molpic based on CDK

Conformer []

Conformer structure via JSmol

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]

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

Methamphetamine

Methamphetamine (also known as Methamphetamine, Pervertin, Anadrex, (2-Methylaminopropyl)benzene, Benzeneethanamine, N,α-dimethyl-, N,α-Dimethylbenzeneethanamine, N-Methyl-1-phenyl-2-propylamine, α-Phenyl-β-methylaminopropane, Phenethylamine, N,α-dimethyl- or Phenethylamine, n,α-dimethyl-) is a stimulant substance of the amphetamine class.

Chemistry

Salts []

Methamphetamine is typically found in the form of its hydrochloride, saccharate and tartrate salts.

Stereochemistry []

Methamphetamine is a racemic mixture of the optical stereoisomers

Stereoisomers
Dextromethamphetamine Levomethamphetamine

Subjective effects []

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

Experience reports []

There are currently 25+ experience reports involving methamphetamine on OpenErowid:

Legal status []

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.

References []

National Center for Biotechnology Information. PubChem Compound Summary for CID 1206, Methamphetamine. Accessed July 13, 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 July 13, 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 July 13, 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.

Anodyne