4-[(2,4-dimethoxyphenyl)methylidene]-2-phenyl-1,3-oxazol-5(4H)-one

Also known as: 4-(2,4-DIMETHOXYBENZYLIDENE)-5-OXO-2-PHENYLOXAZOLINE, 4-(2,4-Dimethoxybenzylidene)-2-phenyl-2-oxazolin-5-one, 4-(2,4-Dimethoxybenzylidene)-2-phenyloxazol-5(4H)-one, 5(4H)-Oxazolone, 4-[(2,4-dimethoxyphenyl)methylene]-2-phenyl-

4-[(2,4-dimethoxyphenyl)methylidene]-2-phenyl-1,3-oxazol-5(4H)-one (CAS 118555-99-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C18H15NO4 and a molecular weight of 309.31600 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 118555-99-0
Jingsj CID: J-978434-3
Molecular Formula: C₁₈H₁₅NO₄
Molecular Weight: 309.31600 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	309.10000
PSA	57.12000
LogP	2.48390

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-[(2,4-dimethoxyphenyl)methylidene]-2-phenyl-1,3-oxazol-5(4H)-one?

The CAS number of 4-[(2,4-dimethoxyphenyl)methylidene]-2-phenyl-1,3-oxazol-5(4H)-one is 118555-99-0.

What are the molecular formula and molecular weight of 4-[(2,4-dimethoxyphenyl)methylidene]-2-phenyl-1,3-oxazol-5(4H)-one?

4-[(2,4-dimethoxyphenyl)methylidene]-2-phenyl-1,3-oxazol-5(4H)-one has molecular formula C18H15NO4 and molecular weight 309.31600 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. "4-[(2,4-dimethoxyphenyl)methylidene]-2-phenyl-1,3-oxazol-5(4H)-one (CAS 118555-99-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-978434-3 (accessed 2026-11-09).

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