CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
CAS 1 record

CAS 50650-76-5

CAS 50650-76-5 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

Check this CAS numberBrowse annexes

Chemical identity and properties

PubChem 2D chemical structure for CAS 50650-76-5
CAS 50650-76-5PubChem CID 50259

Piroctone

Piroctone is a cyclic hydroxamic acid that consists of 1-hydroxypyridin-2-one bearing methyl and 2,4,4-trimethylpentyl substtituents at positions 4 and 6 respectively. It has a role as an antiseborrheic. It is a cyclic hydroxamic acid, a pyridone and a hydroxypyridone antifungal drug. — ChEBI

IUPAC name
1-hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)pyridin-2-one
Molecular formula
C14H23NO2
Molecular weight
237.34 g/mol
Exact mass
237.172878976 Da
XLogP3
3.1
Topological polar surface area
40.5 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

PiroctonaPiroctonumPiroctonolPiroctonum [INN-Latin]1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2(1H)-pyridoneUNII-R49EFA73Q7R49EFA73Q7Piroctona [INN-Spanish]
16 more reported names
CHEBI:590091-hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)pyridin-2(1H)-onePiroctonum (INN-Latin)Piroctona (INN-Spanish)1-hydroxy-4-methyl-6(2,4,4-trimethylpentyl)-2-pyridoneRefChem:578312(1H)-Pyridinone, 1-hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-Piroctone [USAN]Piroctone [USAN:INN]PIROCTONE [INN]PIROCTONE [MI]Piroctone (USAN/INN)PIROCTONE [WHO-DD]SCHEMBL3588AB01563386_01BRD-A96510685-213-01-1
Open full PubChem recordPubChem annotations3D structure image
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 50650-76-5

1 total
No records found for this CAS number.

How CAS 50650-76-5 is used on this site

CAS 50650-76-5 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares 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 50650-76-5 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.