Sulfapyridine
Also known as: 2-Sulfanilamidopyridine, 4-Amino-N-(2-pyridinyl)benzenesulfonamide, N1-(Pyridin-2-yl)sulfanilamide, 2-(4-Aminobenzenesulfonamido)pyridine, 4-Amino-N-(pyridin-2-yl)benzenesulfonamide, N'-2-Pyridylsulfanilide, M&B 693, Dagenan, Eubasin, Benzenesulfonamide, 4-amino-N-2-pyridinyl-
Sulfapyridine (CAS 144-83-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11N3O2S and a molecular weight of 249.289 g/mol. Key properties include a melting point of 191-193°C, a boiling point of 473.5±51.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 240.2±30.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 144-83-2
- Jingsj CID
- J-10250-8
- Molecular Formula
- C11H11N3O2S
- Molecular Weight
- 249.289 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 191-193°C |
|---|---|
| Boiling Point | 473.5±51.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 240.2±30.4 °C |
| Exact Mass | 249.057190 |
| PSA | 93.46000 |
| LogP | 0.03 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.674 |
| Additional Property | <0.1 g/100 mL at 22 ºC |
Activity & Biological Data
| Additional Information | [1]. Hanauer, S.B., Review article: high-dose aminosalicylates to induce and maintain remissions in ulcerative colitis. Aliment Pharmacol Ther, 2006. 24 Suppl 3: p. 37-40. |
|---|
Customs & Trade Information
| HS Code | 2935009090 |
|---|---|
| Summary | 2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0% |
Frequently Asked Questions
What is the CAS number of Sulfapyridine?
The CAS number of Sulfapyridine is 144-83-2.
What are the molecular formula and molecular weight of Sulfapyridine?
Sulfapyridine has molecular formula C11H11N3O2S and molecular weight 249.289 g/mol.
What are the upstream and downstream products of Sulfapyridine?
For Sulfapyridine, Upstream Products: 2-Aminopyridine, N-Acetylsulfanilyl chloride, 4-Chloro-N-(pyridin-2-yl)benzenesulfonamide; Downstream Products: Imidazo[1,2-a]pyridin-2-amine, 2-Aminopyridine, 4,4'-Dithiodianiline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sulfapyridine (CAS 144-83-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10250-8 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.