1-Isopentyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione

Also known as: 1-(3-Methylbutyl)-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione, 1-(3-methylbutyl)-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione, 1-(3-methylbutyl)pyrido[2,3-d][1,3]oxazine-2,4-dione, 2H-Pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione, 1-(3-methylbutyl)-

1-Isopentyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione (CAS 565448-79-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H14N2O3 and a molecular weight of 234.25100 g/mol. Key properties include a boiling point of 366.373ºC at 760 mmHg, a density of 1.22g/cm3 and a flash point of 175.377ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 565448-79-5
Jingsj CID: J-857900-8
Molecular Formula: C₁₂H₁₄N₂O₃
Molecular Weight: 234.25100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	366.373ºC at 760 mmHg
Density	1.22g/cm3
Flash Point	175.377ºC
Exact Mass	234.10000
PSA	65.10000
LogP	1.39580
Refractive Index	1.543

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 1-Isopentyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione?

The CAS number of 1-Isopentyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione is 565448-79-5.

What are the molecular formula and molecular weight of 1-Isopentyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione?

1-Isopentyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione has molecular formula C12H14N2O3 and molecular weight 234.25100 g/mol.

What are the upstream and downstream products of 1-Isopentyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione?

For 1-Isopentyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione, Upstream Products: 1H-pyrido[2,3-d][1,3]oxazine-2,4-dione, 1-bromo-3-methylbutane; Downstream Products: ethyl 4-hydroxy-1-isopentyl-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate.

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. "1-Isopentyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione (CAS 565448-79-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-857900-8 (accessed 2026-11-09).

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