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CAS 943-89-5

CAS 943-89-5 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 943-89-5
CAS 943-89-5PubChem CID 699414

4-Methoxycinnamic Acid

4-methoxycinnamic acid is a methoxycinnamic acid having a single methoxy substituent at the 4-position on the phenyl ring. It is functionally related to a cinnamic acid. — ChEBI

IUPAC name
(E)-3-(4-methoxyphenyl)prop-2-enoic acid
Molecular formula
C10H10O3
Molecular weight
178.18 g/mol
Exact mass
178.062994177 Da
XLogP3
1.8
Topological polar surface area
46.5 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

830-09-13-(4-methoxyphenyl)acrylic acid(2E)-3-(4-methoxyphenyl)prop-2-enoic acid2-Propenoic acid, 3-(4-methoxyphenyl)-3-(4-Methoxyphenyl)-2-propenoic acidNSC-5303NSC-6234376G4ML8401A
16 more reported names
3-(4-methoxyphenyl)prop-2-enoic acidCHEBI:48541RefChem:25958212-594-0(E)-3-(4-Methoxyphenyl)acrylic acidP-METHOXYCINNAMIC ACIDtrans-4-Methoxycinnamic acidpara-methoxycinnamic acidCinnamic acid, p-methoxy-O-Methyl-p-coumaric acid2-Propenoic acid, 3-(4-methoxyphenyl)-, (2E)-Cinnamic acid, 4-methoxy-(E)-p-Methoxycinnamic acid4-Methoxycinnamic acid, predominantly trans(E)-4-METHOXYCINNAMIC ACIDBernel hydro
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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 943-89-5

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How CAS 943-89-5 is used on this site

CAS 943-89-5 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 943-89-5 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.