Molekula
Sulfisoxazol (4-amino-N-(3,4-dimethyl-5-isoxazolyl)benzenesulfonamide)
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
Sulfisoxazol is a sulfonamide antibiotic used in research and pharmaceutical development for studying antimicrobial activity. It serves as the active ingredient in sulfonamide antibacterial medicines for human and veterinary use, and as an intermediate for preparing sulfisoxazole derivatives. It is available in high purity with documented specifications. Catalogue details: CAS 127-69-5, molecular formula C11H13N3O3S, molecular weight 267.30 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies Sulfisoxazol 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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5 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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25 g — £108.80 per pack ex VAT · £130.56 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 | off-white or light yellow powder |
| Assay/Purity | >99% |
| Melting Point | 194 - 199°C |
| Water | ≤ 1.0% |
| Heavy metals | <0.002% |
| Loss on Drying | <0.5% |
| Residue on Ignition | <0.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 245 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless prisms |
| Odour | Odorless |
| Melting Point | 191 °C |
| Water Solubility | 300 mg/L at 37 °C, pH 4.5 |
| Solubility (other solvents) | Soluble in alcohol |
| pKa | pKa = 5 |
| log P (octanol/water) | 1.01 |
Source: PubChem CID 5344 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 11597791 |
| CAS Number | 127-69-5 |
| IUPAC Name | 4-amino-N-(3,4-dimethyl-1,2-oxazol-5-yl)benzenesulfonamide |
| EC Number | 204-858-9 |
| Molecular Formula | C11H13N3O3S |
| Molecular Weight | 267.30 |
| Exact Mass | 267.0678 |
| SMILES | CC1=C(ON=C1C)NS(=O)(=O)C2=CC=C(C=C2)N |
| InChIKey | NHUHCSRWZMLRLA-UHFFFAOYSA-N |
| InChI | InChI=1S/C11H13N3O3S/c1-7-8(2)13-17-11(7)14-18(15,16)10-5-3-9(12)4-6-10/h3-6,14H,12H2,1-2H3 |
| PubChem CID | 5344 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2935.90.4800 |
| Tariff Code | 2935909099 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- 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
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, 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
- Amidoxal
- Sulfafurazol
- Sulfafurazole
- Sulfaisoxazole
- Sulfisoxasole
- Sulfisoxazol
- sulfisoxazole
- Sulfofurazole
- Sulphafurazole
- Sulphaisoxazole
Frequently asked questions
What is Sulfisoxazol used for?
Sulfisoxazol is a sulfonamide antibiotic used in research and pharmaceutical development for studying antibacterial activity.
What is the chemical formula and molecular weight of Sulfisoxazol?
The formula is C11H13N3O3S with a molecular weight of 267.30 g/mol.
How should Sulfisoxazol be stored?
Store at ambient temperature to maintain stability and prevent degradation.
What grade is available for Sulfisoxazol?
Available in research grade; specific purity details can be provided upon request.
Can Molekula supply Sulfisoxazol in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with a Sulfisoxazol 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.