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Molekula

Molekula

Sulfamethoxazole

SKU 21865528 CAS 723-46-6 C10H11N3O3S MW 253.28 In stock

Sulfamethoxazole is a synthetic sulfonamide antibiotic used to treat bacterial infections such as urinary tract infections, bronchitis, and certain types of pneumonia. It works by inhibiting bacterial folic acid synthesis. Available in powder form with a CAS number of 723-46-6, molecular formula C10H11N3O3S, and molecular weight 253.28 g/mol. Store at ambient temperatures. Signal word: Warning. Molekula supplies Sulfamethoxazole from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Overview

Sulfamethoxazole is a synthetic sulfonamide antibiotic used to treat bacterial infections such as urinary tract infections, bronchitis, and certain types of pneumonia. It works by inhibiting bacterial folic acid synthesis. Available in powder form with a CAS number of 723-46-6, molecular formula C10H11N3O3S, and molecular weight 253.28 g/mol. Store at ambient temperatures. Signal word: Warning. Molekula supplies Sulfamethoxazole from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Pricing & pack sizes

Pack sizes & pricing

  • 25 g $56.10 per pack
  • 100 g $147.90 per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

Property Value
Appearance White or almost white crystalline powder
Melting Point 169.0-172.0
Grade Pharma.
Heavy metals ≤20 ppm
Loss on Drying ≤0.5%
Assay 99.0-101.0%
Acidity ≤0.3 mL of 0.1 M NaOH
Related Substances ≤0.1% impurity F
Any Other Impurities ≤0.10%
Total Impurities ≤0.3%
Sulfated ash ≤0.1%
Identification (IR) Conforms to Reference
Identification (RAMAN) Conforms to Reference

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 9
Packing Group III
Shelf Life 24 months
Acidity Neutral

Identification

Property Value
SKU 21865528
CAS Number 723-46-6
Molecular Formula C10H11N3O3S
Molecular Weight 253.28
SMILES CC1=CC(=NO1)NS(=O)(=O)C2=CC=C(C=C2)N
EC / UN Number 3077
REACH Code Y110
TSCA Listed Yes
HTS Code 2935.90.4800
Tariff Code 2935909099

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08
  • GHS pictogram — Hazardous to the Environment Hazardous to the Environment GHS09

Hazard statements

  • H315 Causes skin irritation
  • H317 May cause an allergic skin reaction
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation
  • H361 Suspected of damaging fertility or the unborn child
  • H411 Toxic to aquatic life with long lasting effects

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower
  • 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
  • P410 Protect from sunlight

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

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

No alternate names recorded for this product.

Frequently asked questions

What is sulfamethoxazole used for?

Sulfamethoxazole is an antibiotic used in the treatment of bacterial infections, often combined with trimethoprim as co-trimoxazole.

What is the chemical formula and molecular weight of sulfamethoxazole?

The formula is C10H11N3O3S with a molecular weight of 253.28 g/mol.

How should sulfamethoxazole be stored?

Store at ambient temperature, protected from light and moisture.

What grade of sulfamethoxazole does Molekula supply?

Molekula supplies sulfamethoxazole in research-grade purity.

Can Molekula supply sulfamethoxazole in bulk quantities?

Yes, Molekula can supply sulfamethoxazole in bulk; please contact us for volume pricing and availability.

What documentation comes with a sulfamethoxazole order?

Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS).

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.

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