![Molecular structure of 1-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione (CAS 53890-44-1)](/images/chem_structures_svg/184/53890-44-1.svg)
1-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione
Also known as: 1-Methyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione, 1-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione, 1-methyl-1H-4H-pyrido[2,3-d][1,3]oxazine-2,4-dione, 1-methylpyrido[2,3-d][1,3]oxazine-2,4-dione, 2H-Pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione, 1-methyl-, N-methyl 2H-pyrido[2,3-d][1,3]oxazine-2,4-1H-dione, N-methyl 3-azaisatoic anhydride
1-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione (CAS 53890-44-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O3 and a molecular weight of 178.14500 g/mol. Key properties include a boiling point of 331.217ºC at 760 mmHg, a density of 1.43g/cm3 and a flash point of 154.115ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 53890-44-1
- Jingsj CID
- J-1500813-6
- Molecular Formula
- C8H6N2O3
- Molecular Weight
- 178.14500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 331.217ºC at 760 mmHg |
|---|---|
| Density | 1.43g/cm3 |
| Flash Point | 154.115ºC |
| Exact Mass | 178.03800 |
| PSA | 65.10000 |
| Refractive Index | 1.59 |
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-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione?
The CAS number of 1-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione is 53890-44-1.
What are the molecular formula and molecular weight of 1-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione?
1-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione has molecular formula C8H6N2O3 and molecular weight 178.14500 g/mol.
What are the upstream and downstream products of 1-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione?
For 1-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione, Upstream Products: 1H-pyrido[2,3-d][1,3]oxazine-2,4-dione, 2-(aminocarbonyl)nicotinic acid, iodomethane; Downstream Products: ethyl 4-hydroxy-1-methyl-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:
How to cite: Jingsj. "1-Methyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione (CAS 53890-44-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500813-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.