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Central nervous system drugs

Piracetam

Also known as 2-(2-oxopyrrolidin-1-yl)acetamide, 2-Oxo-1-pyrrolidineacetamide, Nootropil

CAS 7491-74-9Formula C6H10N2O2Molar mass 142.16 g/molEC 231-312-7
149 suppliers listed
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Piracetam chemical structure, C6H10N2O2, CAS 7491-74-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7491-74-9
Formula
C6H10N2O2
Appearance
Crystals from isopropanol
Melting point
151.5 to 152.5
HS code
293379
Category
Central nervous system drugs
Illustrative photo, closed white HDPE bottles and amber jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Piracetam?

Plain description, key identifiers and synonyms

Piracetam is an organonitrogen compound and an organooxygen compound. It is functionally related to an alpha-amino acid.

Piracetam is a cerebral activators.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(2-oxopyrrolidin-1-yl)acetamide
CAS number
7491-74-9 CAS number cross-checked
EC number
231-312-7
Molecular formula
C6H10N2O2
UNII
ZH516LNZ10
MDL number
MFCD00079246
INCI name
PIRACETAM
InChIKey
GMZVRMREEHBGGF-UHFFFAOYSA-N
InChI
InChI=1S/C6H10N2O2/c7-5(9)4-8-3-1-2-6(8)10/h1-4H2,(H2,7,9)
SMILES (canonical and isomeric)
C1CC(=O)N(C1)CC(=O)N

Synonyms

  • 2-(2-oxopyrrolidin-1-yl)acetamide
  • 2-Oxo-1-pyrrolidineacetamide
  • Nootropil
  • Nootropyl
  • Normabrain
  • Pyracetam
  • Pyramem
  • Pirazetam
  • Myocalm
  • 2-Pyrrolidinoneacetamide
  • Piracetamum
  • Nootrop
  • Cl-871
  • 1-Acetamido-2-pyrrolidinone
  • 2-Ketopyrrolidine-1-ylacetamide
  • Piracetam RPh
  • Piracetam-RPh
  • Memo Puren
  • 2-Pyrrolidone-N-Acetamide
  • Nootrop 400
  • Nootrop 800
  • Nootrop 1200
  • 1-Pyrrolidineacetamide, 2-oxo-
  • Gabacet
  • Ciclofalina
Show all 37 synonyms
  • Euvifor
  • Genogris
  • Pirroxil
  • Nootron
  • Norzetam
  • Geram
  • 2-Oxo-pyrrolidine acetamide
  • 2-Pyrrolidoneacetamide
  • UCB 6215
  • 2-Oxo-pyrrolidin-1-ylacetamide
  • Piracetam (JAN/USAN/INN)
  • Oxiracetam Impurity A, Piracetam

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Crystals from isopropanolexp.
Melting point
151.5 to 152.5exp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
142.16 g/molcalc.
Exact mass
142.0742 Dacalc.
LogP (octanol/water)
-0.91calc.
Topological polar surface area
63.4 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1CCCN1

O=C1CCCN1

1 ring, 6 atoms, the 2-Pyrrolidone ring system.

3,308 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Piracetam suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 149 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

149 suppliers in 29 countries

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Piracetam price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Cerebral stimulant drug.

Therapeutic category: Nootropic.

Use classes: Pharmaceuticals.

Cosmetic ingredient, INCI name PIRACETAM(skin conditioning)

Pharmacological actions

  • Neuroprotective Agents
  • Nootropic Agents

Roles

  • antidepressant
  • antipsychotic agent
  • anxiolytic drug
  • central nervous system depressant
  • central nervous system drug
  • pharmaceutical
  • psychotropic drug
  • tranquilizing drug

Functional uses

  • Softener and conditioner

Cosmetic functions

  • Skin conditioning

How it is made

Prepared by condensing 2-pyrrolidinone with ethyl chloroacetate in the presence of a metal hydride and then converting the ester into an amide with ammonia.

Prepn: H. Morren, NL 6509994, eidem, US 3459738 (1966, 1969 both to U.C.B)

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Piracetam is traded under.

HS 2933.79Indicative HS code

Lactams, other lactams

World exports in 2024
$16.2B
−64.4% vs 2023, imports $15.4B
2019 to 2024
Top exporters
  1. Ireland37.0%
  2. France * partner reported15.6%
  3. Spain11.3%
Top importers
  1. Germany27.8%
  2. Ireland18.9%
  3. Panama * partner reported12.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Piracetam is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Piracetam, based on the data on this page

What is Piracetam?

Piracetam is an organonitrogen compound and an organooxygen compound. It is functionally related to an alpha-amino acid.

What is the CAS number of Piracetam?

The CAS registry number of Piracetam is 7491-74-9.

What is the molecular formula and weight of Piracetam?

The molecular formula of Piracetam is C6H10N2O2 and its molar mass is 142.16 g/mol.

What is Piracetam used for?

Cerebral stimulant drug. Therapeutic category: Nootropic. Use classes: Pharmaceuticals.

Is Piracetam hazardous?

No GHS hazard classification for Piracetam is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Piracetam?

Piracetam is usually classified under HS code 293379 (Lactams, other lactams). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Piracetam?

CompoundList lists 149 suppliers of Piracetam in China, United States, India, United Kingdom and 25 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Piracetam in India?

19 suppliers in India list Piracetam on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Piracetam?

Suppliers quote Piracetam on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Piracetam

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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