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2H-1,3-Oxazine-2,6(3H)-dione

Also known as: 3-Oxauracil, 1,3-Oxazine-2,6-dione, 2,3-Dihydro-1,3-6H-oxazine-2,6-dione, NSC 163038, 2H-1,3-oxazin-2,6(3H)-dion, 3H-1,3-oxazine-2,6-dione

2H-1,3-Oxazine-2,6(3H)-dione (CAS 34314-63-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H3NO3 and a molecular weight of 113.07200 g/mol. Key property: a density of 1.416g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
34314-63-1
Jingsj CID
J-10573-7
Molecular Formula
C4H3NO3
Molecular Weight
113.07200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Density1.416g/cm3
Exact Mass113.01100
PSA63.07000
Refractive Index1.494
Storage Conditions-20°C

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 2H-1,3-Oxazine-2,6(3H)-dione?

The CAS number of 2H-1,3-Oxazine-2,6(3H)-dione is 34314-63-1.

What are the molecular formula and molecular weight of 2H-1,3-Oxazine-2,6(3H)-dione?

2H-1,3-Oxazine-2,6(3H)-dione has molecular formula C4H3NO3 and molecular weight 113.07200 g/mol.

What are the upstream and downstream products of 2H-1,3-Oxazine-2,6(3H)-dione?

For 2H-1,3-Oxazine-2,6(3H)-dione, Upstream Products: Maleic anhydride, Azidotrimethylsilane, Maleamic acid.

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

Last updated:

How to cite: Jingsj. "2H-1,3-Oxazine-2,6(3H)-dione (CAS 34314-63-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10573-7 (accessed 2026-11-09).

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