Sulfadimethoxine
Sulfadimethoxine (CAS: 122-11-2), a sulfonamide antibiotic with the chemical formula C12H14N4O4S and a molecular weight of 310.33 g/mol, is primarily recognised for its antibacterial properties. This compound is effective against a range of bacterial infections and is also utilised for its antiparasitic and antiprotozoal activity. It functions by inhibiting essential metabolic pathways in susceptible organisms, making it a valuable agent in various scientific and potentially veterinary applications.
- IUPAC
- 4-Amino-N-(2,6-dimethoxy-4-pyrimidinyl)benzenesulfonamide
- Synonyms
- 4-Amino-N-(2,6-dimethoxy-4-pyrimidinyl)benzenesulfonamide

Antibacterial Agent
Sulfadimethoxine serves as an antibiotic, effective against various susceptible bacteria by interfering with folate synthesis. It is employed in research settings to study antibacterial mechanisms and develop new therapeutic strategies.
Antiparasitic and Antiprotozoal Use
Beyond its antibacterial spectrum, Sulfadimethoxine exhibits activity against certain parasites and protozoa. This makes it a compound of interest in scientific investigations related to antiparasitic drug discovery and development.
Research Chemical
As a well-defined chemical entity, Sulfadimethoxine is utilised in laboratory research to investigate enzyme inhibition and metabolic pathways. Its specific mechanism of action aids in understanding biological processes at a molecular level.
| Molecular weight | 310.33 |
|---|---|
| Empirical formula | C12H14N4O4S |
| Storage temperature | 2-8°C |
| Suitability | suitable for 1694 per US EPA |

Hazard statements
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38-43 |
| Safety statements (S) | 26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sulfadimethoxine used for?
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Sulfadimethoxine is used for its antibacterial, antiparasitic, and antiprotozoal properties, primarily in research settings to study its mechanisms of action, including enzyme inhibition and interference with DNA synthesis.
What is the CAS number and formula for Sulfadimethoxine?
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The CAS number for Sulfadimethoxine is 122-11-2, and its chemical formula is C12H14N4O4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sulfadimethoxine. The specific assay and purity are detailed in the product specifications; TSS does not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for Sulfadimethoxine?
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Sulfadimethoxine is classified with GHS07 and the signal word 'Warning'. It carries hazard statements H315, H317, H319, and H335, indicating it can cause skin irritation, allergic skin reactions, serious eye irritation, and respiratory irritation. Appropriate personal protective equipment, including a dust mask (N95), eyeshields, face shields, and gloves, should be used. Ensure good ventilation and avoid breathing dust.
How is Sulfadimethoxine packed and shipped?
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Sulfadimethoxine is carefully packed to ensure product integrity during transit and is available for export. Storage conditions recommend a temperature range of 2-8°C.
How can I request a sample or quote for Sulfadimethoxine?
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To request a sample or a quote for Sulfadimethoxine, please contact our sales department through the website or provide your details via the product inquiry form.
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