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CAS 76-74-4

CAS 76-74-4 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 76-74-4
CAS 76-74-4PubChem CID 4737

Pentobarbital

IUPAC name
5-ethyl-5-pentan-2-yl-1,3-diazinane-2,4,6-trione
Molecular formula
C11H18N2O3
Molecular weight
226.27 g/mol
Exact mass
226.13174244 Da
XLogP3
2.1
Topological polar surface area
75.3 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

PentobarbitoneNembutalMebubarbitalPentobarbituric acidEthaminalDorsitalMebumalRivadorm
16 more reported names
PentobarbituratePentabarbitoneNeodorm (new)PentabarbitalPentobarbitalum5-Ethyl-5-(1-methylbutyl)barbituric acid5-Ethyl-5-(sec-pentyl)barbituric acid5-Ethyl-5-(1-methylbutyl)-2,4,6(1H,3H,5H)-pyrimidinetrione5-Ethyl-5-(1-methylbutyl)malonylureaNSC 28708Pentobarbital cii2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-ethyl-5-(1-methylbutyl)-Barbituric acid, 5-ethyl-5-(1-methylbutyl)-NSC-28708CHEMBL4485-ethyl-5-(pentan-2-yl)-1,3-diazinane-2,4,6-trione
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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 76-74-4

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How CAS 76-74-4 is used on this site

CAS 76-74-4 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 76-74-4 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.