Sulfalene
Also known as: Sulfalen, Sulfamethoxypyrazine, Sulfametopyrazine, Sulfamethopyrazine, 4-Amino-N-(3-methoxypyrazin-2-yl)benzenesulfonamide, N1-(3-Methoxy-2-pyrazinyl)sulfanilamide, N-(3-Methoxypyrazin-2-yl)sulfanilamide, 2-(p-Aminobenzenesulfonamido)-3-methoxypyrazine, Kelfizin, Kelfizina, Longum, Dalysep, AS-18908, FI 5978, Policydal
Sulfalene (CAS 152-47-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H12N4O3S and a molecular weight of 280.303 g/mol. Key properties include a melting point of 270 °C (dec.)(lit.), a boiling point of 488.6±55.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 249.3±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 152-47-6
- Jingsj CID
- J-32553-8
- Molecular Formula
- C11H12N4O3S
- Molecular Weight
- 280.303 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 270 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 488.6±55.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 249.3±31.5 °C |
| Exact Mass | 280.063019 |
| PSA | 115.58000 |
| LogP | 1.10 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.647 |
Activity & Biological Data
| Target | Parasite[1] |
|---|---|
| Additional Information | [1]. Obonyo CO, et al. Efficacy of artesunate with sulfalene plus pyrimethamine versus praziquantel for treatment of Schistosoma mansoni in Kenyan children: an open-label randomised controlled trial. Lancet Infect Dis. 2010 Sep;10(9):603-11. |
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 Sulfalene?
The CAS number of Sulfalene is 152-47-6.
What are the molecular formula and molecular weight of Sulfalene?
Sulfalene has molecular formula C11H12N4O3S and molecular weight 280.303 g/mol.
What are the upstream and downstream products of Sulfalene?
For Sulfalene, Upstream Products: 2-Amino-3-methoxypyrazine, N-Acetylsulfanilyl chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sulfalene (CAS 152-47-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32553-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.