2-chloro-5H,6H,7H-pyrimido[4,5-b][1,4]oxazin-6-one

2-氯-5H,6H,7H-嘧啶并[4,5-b][1,4]噁嗪-6-酮

2-chloro-5H,6H,7H-pyrimido[4,5-b][1,4]oxazin-6-one (CAS 1694761-81-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4ClN3O2 and a molecular weight of 185.57 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1694761-81-3
Jingsj CID: J-1945400-3
Molecular Formula: C₆H₄ClN₃O₂
Chinese Name: 2-氯-5H,6H,7H-嘧啶并[4,5-b][1,4]噁嗪-6-酮
Molecular Weight: 185.57 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

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

The CAS number of 2-chloro-5H,6H,7H-pyrimido[4,5-b][1,4]oxazin-6-one is 1694761-81-3.

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

2-chloro-5H,6H,7H-pyrimido[4,5-b][1,4]oxazin-6-one has molecular formula C6H4ClN3O2 and molecular weight 185.57 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-chloro-5H,6H,7H-pyrimido[4,5-b][1,4]oxazin-6-one (CAS 1694761-81-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1945400-3 (accessed 2026-10-25).

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