Skip to main content
CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
CAS 0 records

CAS 959-33-1

CAS 959-33-1 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 959-33-1
CAS 959-33-1PubChem CID 641819

4-Methoxychalcone

4-methoxychalcone has been reported in Ficus lyrata with data available. — LOTUS - the natural products occurrence database

IUPAC name
(E)-3-(4-methoxyphenyl)-1-phenylprop-2-en-1-one
Molecular formula
C16H14O2
Molecular weight
238.28 g/mol
Exact mass
238.099379685 Da
XLogP3
3.1
Topological polar surface area
26.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

Chalcone, 4-methoxy-2-Propen-1-one, 3-(4-methoxyphenyl)-1-phenyl-3-(4-Methoxyphenyl)-1-phenyl-2-propen-1-one4'-Methoxybenzylideneacetophenone4-methoxy chalconep-Methoxyphenyl styryl ketoneNSC 11866CCRIS 2230
16 more reported names
EINECS 213-499-7AI3-17319RefChem:524770Chalcone, 4-methoxy-(8CI)2-Propen-1-one, 3-(4-methoxyphenyl)-1-phenyl-(9CI)213-499-7(2E)-3-(4-methoxyphenyl)-1-phenylprop-2-en-1-one(E)-4-Methoxychalcone4-Methoxychalcone-12-(4-Methoxybenzal)acetophenonePhenyl p-methoxystyryl ketone2-propen-1-one, 3-(4-methoxyphenyl)-1-phenyl-, (2E)-(E)-3-(4-methoxyphenyl)-1-phenyl-prop-2-en-1-one4-Methoxy-trans-chalconeChalcone, 43-(4-Methoxy-phenyl)-1-phenyl-propenone
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 959-33-1

0 total
No records found for this CAS number.

How CAS 959-33-1 is used on this site

CAS 959-33-1 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 959-33-1 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.