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

CAS 156-74-1

CAS 156-74-1 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 156-74-1
CAS 156-74-1PubChem CID 2968

Decamethonium

IUPAC name
trimethyl-[10-(trimethylazaniumyl)decyl]azanium
Molecular formula
C16H38N2+2
Molecular weight
258.49 g/mol
Exact mass
258.303499221 Da
XLogP3
3.9
Topological polar surface area
0.0 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
0
Covalent units
1
Defined stereocentres
0

Also known as

DecamethonumDECAMETHONIUM IONDecamethonium cation(DM)Br2N,N,N,N',N',N'-hexamethyldecane-1,10-diaminiumAmmonium, decamethylenebis(trimethyl-C1CG1S3T2W1,10-Decanediaminium, N,N,N,N',N',N'-hexamethyl-
16 more reported names
decamethylenebis(trimethylammonium)CHEBI:41934N,N,N,N',N',N'-hexamethyl-1,10-decanediaminiumtrimethyl[10-(trimethylazaniumyl)decyl]azaniumtrimethyl(10-(trimethylazaniumyl)decyl)azaniumdecamethylenebis(trimethylammonium)bromideRefChem:585339SyncurineDecacuranN1,N1,N1,N10,N10,N10-hexamethyldecane-1,10-diaminiumCHEMBL1134HSDB 3221CAS-541-22-0Lopac-D-1260Decane-1,10-bis(trimethylammonium bromide)UNII-C1CG1S3T2W
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 156-74-1

1 total
No records found for this CAS number.

How CAS 156-74-1 is used on this site

CAS 156-74-1 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 156-74-1 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.