CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
CAS 0 records

CAS 13161-30-3

CAS 13161-30-3 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Check this CAS numberBrowse annexes

Chemical identity and properties

PubChem 2D chemical structure for CAS 13161-30-3
CAS 13161-30-3PubChem CID 69975

Hydroxypyridinone

IUPAC name
1-hydroxypyridin-2-one
Molecular formula
C5H5NO2
Molecular weight
111.10 g/mol
Exact mass
111.032028402 Da
XLogP3
-0.7
Topological polar surface area
40.5 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

2-Pyridinol-1-oxide2-Hydroxypyridine 1-oxide822-89-91-Hydroxy-2-pyridone2-Pyridinol, 1-oxide1-hydroxy-2(1h)-pyridinone2(1H)-Pyridinone, 1-hydroxy-Hydroxyl-2-pyridone
16 more reported names
N-hydroxy-2-pyridoneN-Hydroxyl-2-pyridone1-hydroxy-2(1H)-pyridoneEINECS 212-506-0NSC-4069722-Pyridinol, N-oxideEINECS 236-100-8NSC 406972AI3-60199RefChem:7895691,2-HOPOHYDROXYPYRIDINONE [INCI]236-100-82-Hydroxypyridine-N-oxide2-Hydroxypyridine N-Oxide1-hydroxy-1,2-dihydropyridin-2-one
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 13161-30-3

0 total
No records found for this CAS number.

How CAS 13161-30-3 is used on this site

CAS 13161-30-3 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 13161-30-3 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.