1,7-Dimethyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione
1,7-二甲基-1H-吡啶并[2,3-d][1,3]噁嗪-2,4-二酮
Also known as: 1,7-Dimethyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione, 1,7-dimethylpyrido[2,3-d][1,3]oxazine-2,4-dione
1,7-Dimethyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione (CAS 66690-78-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8N2O3 and a molecular weight of 192.17100 g/mol. It is also known as 1,7-Dimethyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione and 1,7-dimethylpyrido[2,3-d][1,3]oxazine-2,4-dione. Key properties include a boiling point of 349.241ºC at 760 mmHg, a density of 1.364g/cm3 and a flash point of 165.015ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66690-78-6
- Jingsj CID
- J-1071293-3
- Molecular Formula
- C9H8N2O3
- Chinese Name
- 1,7-二甲基-1H-吡啶并[2,3-d][1,3]噁嗪-2,4-二酮
- Molecular Weight
- 192.17100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 349.241ºC at 760 mmHg |
|---|---|
| Density | 1.364g/cm3 |
| Flash Point | 165.015ºC |
Frequently Asked Questions
What is the CAS number of 1,7-Dimethyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione?
The CAS number of 1,7-Dimethyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione is 66690-78-6.
What are the molecular formula and molecular weight of 1,7-Dimethyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione?
1,7-Dimethyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione has molecular formula C9H8N2O3 and molecular weight 192.17100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,7-Dimethyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione (CAS 66690-78-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1071293-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.