4-methoxy-5H-pyrimido[4,5-b][1,4]thiazin-6(7H)-one
4-甲氧基-5H-嘧啶并[4,5-b][1,4]噻嗪-6(7H)-酮
Also known as: 4-Methoxypyrimido<4,5-b>-1,4-thiazin-6-on, 4-methoxy-6-oxopyrimido<4,5-b><1,4>thiazine, 5H-Pyrimido(4,5-b)(1,4)thiazin-6(7H)-one,4-methoxy, HMS2303I10, 4-methoxy-5H,7H-pyrimido[4,5-b][1,4]thiazin-6-one
4-methoxy-5H-pyrimido[4,5-b][1,4]thiazin-6(7H)-one (CAS 16025-11-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7N3O2S and a molecular weight of 197.21400 g/mol. It is also known as 4-Methoxypyrimido<4,5-b>-1,4-thiazin-6-on, 4-methoxy-6-oxopyrimido<4,5-b><1,4>thiazine and 5H-Pyrimido(4,5-b)(1,4)thiazin-6(7H)-one,4-methoxy. Key properties include a boiling point of 450.4ºC at 760mmHg, a density of 1.421g/cm3 and a flash point of 226.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16025-11-9
- Jingsj CID
- J-1498787-4
- Molecular Formula
- C7H7N3O2S
- Chinese Name
- 4-甲氧基-5H-嘧啶并[4,5-b][1,4]噻嗪-6(7H)-酮
- Molecular Weight
- 197.21400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 450.4ºC at 760mmHg |
|---|---|
| Density | 1.421g/cm3 |
| Flash Point | 226.2ºC |
Frequently Asked Questions
What is the CAS number of 4-methoxy-5H-pyrimido[4,5-b][1,4]thiazin-6(7H)-one?
The CAS number of 4-methoxy-5H-pyrimido[4,5-b][1,4]thiazin-6(7H)-one is 16025-11-9.
What are the molecular formula and molecular weight of 4-methoxy-5H-pyrimido[4,5-b][1,4]thiazin-6(7H)-one?
4-methoxy-5H-pyrimido[4,5-b][1,4]thiazin-6(7H)-one has molecular formula C7H7N3O2S and molecular weight 197.21400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-methoxy-5H-pyrimido[4,5-b][1,4]thiazin-6(7H)-one (CAS 16025-11-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498787-4 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.