Piracetam

Piracetam

Molecular structure via molpic based on CDK

Rotamer []

Conformer structure via 3Dmol.js

Physical properties []
Molecular mass	142.16 g/mol ^[1]
Appearance	Crystals from isopropanol ^[1]
Melting point	151.5 - 152.5 °C ^[1]
Boiling point	Decomposes ^[1]
Predicted LogP	-1.3 ^[1]

Structural Identifiers []
Molecular formula	C₆H₁₀N₂O₂ ^[1]
IUPAC name	2-(2-oxopyrrolidin-1-yl)acetamide ^[1]
SMILES	C1CC(=O)N(C1)CC(=O)N ^[1]
InChI	InChI=1S/C6H10N2O2/c7-5(9)4-8-3-1-2-6(8)10/h1-4H2,(H2,7,9) ^[1]
InChIKey	GMZVRMREEHBGGF-UHFFFAOYSA-N ^[1]

Pharmacokinetics[]
Elimination half-life	4 – 5 hours

Piracetam (also known as 2-Oxo-1-pyrrolidineacetamide, Nootropil, Nootropyl, Normabrain, Pyracetam, Pyramem, Pirazetam, Myocalm, 2-Pyrrolidinoneacetamide or Piracetamum) is a substance of the racetam class.

Chemistry

Stereochemistry []

Piracetam is a achiral mixture.

Druglikeness

Lipinski's rule of five

Piracetam matches Lipinski's rule of five.

Pharmacology

ATC Classification

In the nervous system (N) piracetam acts as a stimulant (N06B), other psychostimulants and nootropic (N06BX), piracetam (N06BX03) and psychoanaleptic (N06).^[1]

Legal status []

Australia: Piracetam is a S4 substance.
Canada: Piracetam is a Unscheduled substance.
United Kingdom: Piracetam is a prescription only substance.
United States: Piracetam is a Unapproved drug, use in dietary supplements, food, or medicine is unlawful; otherwise uncontrolled substance.^[3]

External links []

References []

National Center for Biotechnology Information. PubChem Compound Summary for CID 4843, Piracetam. Accessed June 11, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/4843
U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Piracetam. UNII: ZH516LNZ10. Global Substance Registration System. Accessed June 11, 2026. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/ZH516LNZ10
Piracetam. Accessed June 11, 2026. https://www.drugbank.ca/drugs/DB09210

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