N4-Acetylsulfamethoxazole
醋磺胺甲噁唑
Also known as: Acetylsulfamethoxazole, N-Acetyl Sulfamethoxazole, Sulfamethoxazole EP Impurity A, Sulfamethoxazole impurity A, 4-Acetylamino-N-(5-methyl-3-isoxazolyl)benzenesulfonamide, N-[4-[(5-Methyl-3-isoxazolyl)sulfamoyl]phenyl]acetamide, N-(4-(N-(5-Methylisoxazol-3-yl)sulfamoyl)phenyl)acetamide, Sulfisomezole-N4-acetate, N4-Acetylsulfisomezole, 4'-((5-methyl-3-isoxazolyl)sulfamoyl)acetanilide
N4-Acetylsulfamethoxazole (CAS 21312-10-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H13N3O4S and a molecular weight of 295.31400 g/mol. It is also known as Acetylsulfamethoxazole, N-Acetyl Sulfamethoxazole and Sulfamethoxazole EP Impurity A. Key properties include a melting point of 222ºC dec. and a density of 1.448g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21312-10-7
- Jingsj CID
- J-1974270-0
- Molecular Formula
- C12H13N3O4S
- Chinese Name
- 醋磺胺甲噁唑
- Molecular Weight
- 295.31400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 222ºC dec. |
|---|---|
| Density | 1.448g/cm3 |
Frequently Asked Questions
What is the CAS number of N4-Acetylsulfamethoxazole?
The CAS number of N4-Acetylsulfamethoxazole is 21312-10-7.
What are the molecular formula and molecular weight of N4-Acetylsulfamethoxazole?
N4-Acetylsulfamethoxazole has molecular formula C12H13N3O4S and molecular weight 295.31400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N4-Acetylsulfamethoxazole (CAS 21312-10-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1974270-0 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.