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CAS 7491-74-9

CAS 7491-74-9 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 7491-74-9
CAS 7491-74-9PubChem CID 4843

Piracetam

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

IUPAC name
2-(2-oxopyrrolidin-1-yl)acetamide
Molecular formula
C6H10N2O2
Molecular weight
142.16 g/mol
Exact mass
142.074227566 Da
XLogP3
-1.3
Topological polar surface area
63.4 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

2-Oxo-1-pyrrolidineacetamideNootropilNootropylNormabrainPyracetamPyramemPirazetamMyocalm
16 more reported names
2-PyrrolidinoneacetamidePiracetamumNootropCl-8711-Acetamido-2-pyrrolidinone2-Ketopyrrolidine-1-ylacetamideNSC-758191ZH516LNZ10Piracetam RPhPiracetam-RPhMemo Puren2-Pyrrolidone-N-AcetamideUCB6215Nootrop 400Nootrop 800Nootrop 1200
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 7491-74-9

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No records found for this CAS number.

How CAS 7491-74-9 is used on this site

CAS 7491-74-9 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 7491-74-9 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.