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CAS 67-52-7

CAS 67-52-7 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 67-52-7

CAS 67-52-7PubChem CID 6211

Barbituric Acid

IUPAC name: 1,3-diazinane-2,4,6-trione

Molecular formula: C4H4N2O3
Molecular weight: 128.09 g/mol
Exact mass: 128.02219199 Da
XLogP3: -1.5
Topological polar surface area: 75.3 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

MalonylureaPyrimidinetrione2,4,6(1H,3H,5H)-Pyrimidinetrionepyrimidine-2,4,6(1H,3H,5H)-trionePyrimidinetriol2,4,6-TrioxohexahydropyrimidineBarbiturateCHEBI:16294

16 more reported names

WQ92Y2793GNSC-78894,6-dihydroxy-2,5-dihydropyrimidin-2-oneCHEBI:29745RefChem:116475CHEBI:22693200-658-06-Hydroxyuracil2,4,6-Trihydroxypyrimidine2,4,6-PyrimidinetrioneHexahydropyrimidine-2,4,6-trioneMalonylharnstoffBarbitursaeureFluorouracil EP Impurity ABarbituric acid (VAN)Hydrouracil, 6-hydroxy-

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External database identifiers

ChEBI:CHEBI:16294
ChEMBL:CHEMBL574699
EPA DTXSID:DTXSID8020129
PubMed:12093525
PubMed:10464017
PubMed:8080452

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

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How CAS 67-52-7 is used on this site

CAS 67-52-7 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 67-52-7 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.