4-(5-Formyl-2-furyl)benzene-1-sulfonamide
4-(5-甲酰基-2-呋喃基)苯-1-磺酰胺
Also known as: 4-(5-Formylfuran-2-yl)benzenesulfonamide, 4-(5-Formyl-2-furanyl)benzenesulfonamide, Benzenesulfonamide, 4-(5-formyl-2-furanyl)-, 4-(5-Formylfur-2-yl)benzenesulphonamide, 4-(5-Formyl-2-furyl)benzenesulfonamide, 2-Formyl-5-(4-sulphamoylphenyl)furan, 5-[4-(Aminosulphonyl)phenyl]-2-furaldehyde, AKOS BB-8350, ART-CHEM-BB B025368, ASISCHEM S89480, AURORA KA-4223, TIMTEC-BB SBB000902
4-(5-Formyl-2-furyl)benzene-1-sulfonamide (CAS 21821-40-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9NO4S and a molecular weight of 251.25800 g/mol. It is also known as 4-(5-Formylfuran-2-yl)benzenesulfonamide, 4-(5-Formyl-2-furanyl)benzenesulfonamide and Benzenesulfonamide, 4-(5-formyl-2-furanyl)-. Key properties include a melting point of 199ºC, a boiling point of 493.1ºC at 760 mmHg, a density of 1.41 g/cm3 and a flash point of 252ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21821-40-9
- Jingsj CID
- J-1072442-0
- Molecular Formula
- C11H9NO4S
- Chinese Name
- 4-(5-甲酰基-2-呋喃基)苯-1-磺酰胺
- Molecular Weight
- 251.25800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 199ºC |
|---|---|
| Boiling Point | 493.1ºC at 760 mmHg |
| Density | 1.41 g/cm3 |
| Flash Point | 252ºC |
Frequently Asked Questions
What is the CAS number of 4-(5-Formyl-2-furyl)benzene-1-sulfonamide?
The CAS number of 4-(5-Formyl-2-furyl)benzene-1-sulfonamide is 21821-40-9.
What are the molecular formula and molecular weight of 4-(5-Formyl-2-furyl)benzene-1-sulfonamide?
4-(5-Formyl-2-furyl)benzene-1-sulfonamide has molecular formula C11H9NO4S and molecular weight 251.25800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(5-Formyl-2-furyl)benzene-1-sulfonamide (CAS 21821-40-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1072442-0 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.