Molekula
Sulfamerazine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Sulfamerazine is a sulfonamide antibiotic used in veterinary medicine and research for its antibacterial properties. It inhibits bacterial folic acid synthesis, making it effective against a range of Gram-positive and Gram-negative bacteria. Available in powder form with a CAS number of 127-79-7, molecular formula C11H12N4O2S, and molecular weight 264.30 g/mol. Store at ambient temperatures. Hazard classification includes signal word Danger. Molekula supplies Sulfamerazine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £29.50 per pack ex VAT · £35.40 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White, yellowish-white or pinkish white crystal or powder |
| Identification | Conforms to reference |
| Purity | ≥ 98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 236 °C |
Source: PubChem CID 5325 (DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 28452401 |
| CAS Number | 127-79-7 |
| IUPAC Name | 4-amino-N-(4-methylpyrimidin-2-yl)benzenesulfonamide |
| EC Number | 204-866-2 |
| Molecular Formula | C11H12N4O2S |
| Molecular Weight | 264.30 |
| Exact Mass | 264.0681 |
| SMILES | CC1=NC(=NC=C1)NS(=O)(=O)C2=CC=C(C=C2)N |
| InChIKey | QPPBRPIAZZHUNT-UHFFFAOYSA-N |
| InChI | InChI=1S/C11H12N4O2S/c1-8-6-7-13-11(14-8)15-18(16,17)10-4-2-9(12)3-5-10/h2-7H,12H2,1H3,(H,13,14,15) |
| PubChem CID | 5325 |
| REACH Code | Y110 |
| HTS Code | 2933.59.9500 |
| Tariff Code | 2933599590 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2-Sulfa-4-methylpyrimidine
- 4-amino-N-(4-methylpyrimidin-2-yl)benzenesulfonamide
- Benzenesulfonamide, 4-amino-N-(4-methyl-2-pyrimidinyl)-
- Mesulfa
- Percoccide
- Septacil
- Septosyl
- Solumedin
- Sulfamethyldiazine
- Sulphamerazine
Frequently asked questions
What is Sulfamerazine used for?
Sulfamerazine is a sulfonamide antibiotic used in veterinary medicine and research for treating bacterial infections.
What is the chemical formula and molecular weight of Sulfamerazine?
The formula is C11H12N4O2S with a molecular weight of 264.30 g/mol.
How should Sulfamerazine be stored?
Store at ambient temperature, protected from light and moisture.
What grade of Sulfamerazine is available?
Molekula supplies Sulfamerazine in research grade.
Can Molekula supply Sulfamerazine in bulk?
Yes, Molekula can supply Sulfamerazine in bulk quantities—please contact us for pricing and availability.
What documentation comes with a Sulfamerazine order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.