Sulfadimethoxypyrimidine
Also known as: Sulphamoprine, 2-p-Aminobenzenesulfonamido-4,6-dimethoxypyrimidine, 4-Amino-N-(4,6-dimethoxy-2-pyrimidinyl)benzenesulfonamide, 4-Amino-N-(4,6-dimethoxypyrimidin-2-yl)benzenesulfonamide, 4-Amino-N-(4,6-dimethoxy-pyrimidin-2-yl)benzenesulfonamide, 4-azanyl-N-(4,6-dimethoxypyrimidin-2-yl)benzenesulfonamide, 6-(p-aminobenzenesulphonamido)-2,4-dimethoxypyrimidine, Benzenesulfonamide, 4-amino-N-(4,6-dimethoxy-2-pyrimidinyl)-, ICI 3435, ICI-3435, N-(4,6-Dimethoxy-2-pyrimidinyl)-4-aminobenzenesulfonamide, SDmP, Sulfamoprine, sulfanilsaeure-(4,6-dimethoxy-pyrimidin-2-ylamid), Sulphadimethoxypyrimidine
Sulfadimethoxypyrimidine (CAS 155-91-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H14N4O4S and a molecular weight of 310.329 g/mol. Key properties include a melting point of 200ºC, a boiling point of 570.7±60.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 298.9±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 155-91-9
- Jingsj CID
- J-727-6
- Molecular Formula
- C12H14N4O4S
- Molecular Weight
- 310.329 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 200ºC |
|---|---|
| Boiling Point | 570.7±60.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 298.9±32.9 °C |
| Exact Mass | 310.073578 |
| PSA | 124.81000 |
| LogP | 1.41 |
| Vapor Pressure | 0.0±1.6 mmHg at 25°C |
| Refractive Index | 1.623 |
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 Sulfadimethoxypyrimidine?
The CAS number of Sulfadimethoxypyrimidine is 155-91-9.
What are the molecular formula and molecular weight of Sulfadimethoxypyrimidine?
Sulfadimethoxypyrimidine has molecular formula C12H14N4O4S and molecular weight 310.329 g/mol.
What are the upstream and downstream products of Sulfadimethoxypyrimidine?
For Sulfadimethoxypyrimidine, Upstream Products: 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. "Sulfadimethoxypyrimidine (CAS 155-91-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-727-6 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.