Torsemide
Torsemide (CAS: 56211-40-6), with the molecular formula C16H20N4O3S, is a solid chemical compound with a molecular weight of 348.42. It functions as a potent inhibitor of the Na + Cl - co-transporter. This versatile molecule finds application in research settings, notably in plant biology for studying ion transport mechanisms. Tech Serve Solutions supplies Torsemide with a purity of ≥98% (HPLC) for research and development purposes.
- IUPAC
- Demadex,N-[[(1-Methylethyl)amino]carbonyl]-4-[(3-methylphenyl)amino]-3-pyridinesulfonamide
- Synonyms
- DemadexN-[[(1-Methylethyl)amino]carbonyl]-4-[(3-methylphenyl)amino]-3-pyridinesulfonamide

Na + Cl - Co-transporter Inhibition
Torsemide serves as a research tool for inhibiting the Na + Cl - co-transporter. This specific action allows scientists to investigate cellular transport mechanisms and ion channel activity in various biological systems. Its documented use includes studies in transgenic plants.
Plant Biology Research
In studies involving transgenic *Arabidopsis thaliana* plants, Torsemide has been employed to investigate the function of the Na + Cl - co-transporter. This application aids in understanding plant physiology and ion homeostasis.
Bioactive Small Molecule Research
As a bioactive small molecule, Torsemide is utilised in broader biological research. Its properties make it suitable for investigating cell signaling pathways and neuroscience-related studies, particularly concerning ion channels and pumps.
| Molecular weight | 348.42 |
|---|---|
| Empirical formula | C16H20N4O3S |
| Assay | ≥98% (HPLC) |
| Form | solid |
| Solubility | DMSO: soluble18 mg/mLH2O: insoluble |
| Application | Torsemide has been used as an inhibitor of Na+ Cl- co-transporter in transgenic Arabidopsis thaliana plants1. |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26 |
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 Torsemide primarily used for?
+
Torsemide is primarily used in research as an inhibitor of the Na + Cl - co-transporter, particularly noted for its application in plant biology studies with transgenic plants.
What are the CAS number and molecular formula for Torsemide?
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The CAS number for Torsemide is 56211-40-6, and its molecular formula is C16H20N4O3S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Torsemide with an assay of ≥98% (HPLC). TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How should Torsemide be handled safely?
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Torsemide is classified with a GHS07 symbol and a 'Warning' signal word, carrying the hazard statement H319 (Causes serious eye irritation). Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Ensure good ventilation.
Is Torsemide a controlled substance?
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The provided data does not indicate that Torsemide is a controlled substance.
How is Torsemide packed and shipped by TSS?
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Torsemide is supplied as a solid. Specific packing and shipping details for export are available upon request.
How can I request a quote or sample for Torsemide?
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To request a quote or sample for Torsemide, please contact our sales team through the website or by phone.
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