N-[2-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl]-p-toluenesulphonamide
2-(2-(对甲苯磺酰基氨基)苯基)-4H-3,1-苯并恶嗪-4-酮
Also known as: 4-methyl-N-[2-(4-oxo-1,3-benzoxazin-2-yl)phenyl]benzenesulfonamide, 2-(2-Tosylaminophenyl)-4H-3,1-benzoxazin-4-one, 2-(2-Tosylamidophenyl)-4H-3,1-benzoxazin-4-one, Benzenesulfonamide, 4-methyl-N-2-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl-, N-[2-(4-keto-1,3-benzoxazin-2-yl)phenyl]-4-methyl-benzenesulfonamide
N-[2-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl]-p-toluenesulphonamide (CAS 3808-20-6) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C21H16N2O4S and a molecular weight of 392.42800 g/mol. It is also known as 4-methyl-N-[2-(4-oxo-1,3-benzoxazin-2-yl)phenyl]benzenesulfonamide, 2-(2-Tosylaminophenyl)-4H-3,1-benzoxazin-4-one and 2-(2-Tosylamidophenyl)-4H-3,1-benzoxazin-4-one. Key properties include a boiling point of 587ºC at 760mmHg and a density of 1.35g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3808-20-6
- Jingsj CID
- J-1518425-6
- Molecular Formula
- C21H16N2O4S
- Chinese Name
- 2-(2-(对甲苯磺酰基氨基)苯基)-4H-3,1-苯并恶嗪-4-酮
- Molecular Weight
- 392.42800 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 587ºC at 760mmHg |
|---|---|
| Density | 1.35g/cm3 |
Frequently Asked Questions
What is the CAS number of N-[2-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl]-p-toluenesulphonamide?
The CAS number of N-[2-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl]-p-toluenesulphonamide is 3808-20-6.
What are the molecular formula and molecular weight of N-[2-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl]-p-toluenesulphonamide?
N-[2-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl]-p-toluenesulphonamide has molecular formula C21H16N2O4S and molecular weight 392.42800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N-[2-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl]-p-toluenesulphonamide (CAS 3808-20-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518425-6 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.