2-[(E)-2-Phenylethenyl]-1H-pyrimido[5,4-b][1,4]oxazin-7(6H)-one

2-[(E)-2-Phenylethenyl]-1H-pyrimido[5,4-b][1,4]oxazin-7(6H)-one (CAS 1003946-53-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H11N3O2 and a molecular weight of 253.26 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1003946-53-9
Jingsj CID: J-1376506-8
Molecular Formula: C₁₄H₁₁N₃O₂
Molecular Weight: 253.26 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-[(E)-2-Phenylethenyl]-1H-pyrimido[5,4-b][1,4]oxazin-7(6H)-one?

The CAS number of 2-[(E)-2-Phenylethenyl]-1H-pyrimido[5,4-b][1,4]oxazin-7(6H)-one is 1003946-53-9.

What are the molecular formula and molecular weight of 2-[(E)-2-Phenylethenyl]-1H-pyrimido[5,4-b][1,4]oxazin-7(6H)-one?

2-[(E)-2-Phenylethenyl]-1H-pyrimido[5,4-b][1,4]oxazin-7(6H)-one has molecular formula C14H11N3O2 and molecular weight 253.26 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-[(E)-2-Phenylethenyl]-1H-pyrimido[5,4-b][1,4]oxazin-7(6H)-one (CAS 1003946-53-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1376506-8 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.