(2Z)-2-[(4-hydroxyphenyl)methylidene]-3-oxobutanoic acid

Also known as: 2-acetyl-3-(4-hydroxyphenyl)acrylic acid, 2-(4-Hydroxybenzylidene)-3-oxobutanoic acid, 2-[(4-hydroxyphenyl)methylidene]-3-oxobutanoic acid

(2Z)-2-[(4-hydroxyphenyl)methylidene]-3-oxobutanoic acid (CAS 64896-33-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H11NO4 and a molecular weight of 221.20900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 64896-33-9
Jingsj CID: J-1476630-4
Molecular Formula: C₁₁H₁₁NO₄
Molecular Weight: 221.20900 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	221.06900
PSA	86.63000
LogP	1.34470

Customs & Trade Information

HS Code	2924299090
Summary	2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (2Z)-2-[(4-hydroxyphenyl)methylidene]-3-oxobutanoic acid?

The CAS number of (2Z)-2-[(4-hydroxyphenyl)methylidene]-3-oxobutanoic acid is 64896-33-9.

What are the molecular formula and molecular weight of (2Z)-2-[(4-hydroxyphenyl)methylidene]-3-oxobutanoic acid?

(2Z)-2-[(4-hydroxyphenyl)methylidene]-3-oxobutanoic acid has molecular formula C11H11NO4 and molecular weight 221.20900 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(2Z)-2-[(4-hydroxyphenyl)methylidene]-3-oxobutanoic acid (CAS 64896-33-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1476630-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.