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CAS 3943-89-3

CAS 3943-89-3 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 3943-89-3
CAS 3943-89-3PubChem CID 77547

Ethyl 3,4-Dihydroxybenzoate

Ethyl 3,4-dihydroxybenzoate is an ethyl ester resulting from the formal condensation of the carboxy group of 3,4-dihydroxybenzoic acid with ethanol. It is the anti-oxidative component of peanut seed testa. It has a role as an EC 1.14.11.2 (procollagen-proline dioxygenase) inhibitor, an antioxidant, an antibacterial agent, an apoptosis inducer and a plant metabolite. It is an ethyl ester and a member of catechols. It is functionally related to a 3,4-dihydroxybenzoic acid. — ChEBI

IUPAC name
ethyl 3,4-dihydroxybenzoate
Molecular formula
C9H10O4
Molecular weight
182.17 g/mol
Exact mass
182.05790880 Da
XLogP3
1.8
Topological polar surface area
66.8 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

Ethyl protocatechuateProtocatechuic acid ethyl ester3,4-Dihydroxybenzoic Acid Ethyl EsterEthyl-3,4-dihydroxybenzoate4YGJ96WTBGNSC-86130CHEBI:132364RefChem:138647
16 more reported names
223-529-0Benzoic acid, 3,4-dihydroxy-, ethyl esterErlotinib Impurity 553,4-Dihydroxy-benzoic acid ethyl esterEDHBUNII-4YGJ96WTBG3,4-Dihydroxybenzoic Acid Ethyl Ester; Protocatechuic Acid Ethyl Ester; Ethyl Protocatechuate; NSC 619681; NSC 86130;EINECS 223-529-0NSC 86130EC 223-529-03,4-DHBEEOPethyl 3,4-dihydroxy benzoateEthyl-3,4-dihydroxy-benzoateProtocatechuic acid, ethyl esterHMS6018C11Tox21_113836
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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 3943-89-3

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How CAS 3943-89-3 is used on this site

CAS 3943-89-3 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 3943-89-3 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.