IDRA 21
IDRA 21 (CAS 22503-72-6), with the molecular formula C8H9ClN2O2S and a molecular weight of 232.69 g/mol, is a chemical compound primarily utilised in scientific research. It serves as a valuable tool in cell biology and neuroscience research, particularly for studies involving excitatory amino acids and ionotropic glutamate receptor modulation. Its applications extend to investigating neurotransmission and cell signaling pathways.
- IUPAC
- 7-Chloro-3-methyl-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide

Neuroscience Research
IDRA 21 is employed in studies investigating the complexities of the nervous system, including neurotransmission and the function of ionotropic glutamate receptors.
Cell Biology Studies
This compound is used in cell biology research to explore cellular signaling pathways and the behaviour of excitatory amino acids within biological systems.
Pharmacological Research Tool
As a modulator of AMPA/Kainate receptors, IDRA 21 serves as a research tool for understanding receptor function and developing potential therapeutic strategies.
| Molecular weight | 232.69 |
|---|---|
| Empirical formula | C8H9ClN2O2S |
| Assay | ≥98% |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 IDRA 21 used for?
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IDRA 21 is primarily used in scientific research, particularly in the fields of neuroscience and cell biology, for studying neurotransmission, cell signaling, and ionotropic glutamate receptor modulation.
What are the CAS number and chemical formula for IDRA 21?
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The CAS number for IDRA 21 is 22503-72-6, and its chemical formula is C8H9ClN2O2S.
What grade and purity does Tech Serve Solutions supply for IDRA 21?
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Tech Serve Solutions supplies IDRA 21 with an assay of ≥98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
What safety precautions should be taken when handling IDRA 21?
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When handling IDRA 21, it is essential to use personal protective equipment including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The compound is classified with WGK Germany 3, indicating a high hazard.
How is IDRA 21 packed and shipped by TSS?
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Tech Serve Solutions exports and supplies fine chemicals globally. Specific packing and shipping details for IDRA 21 can be provided upon request, adhering to international shipping regulations.
How can I request a sample or quote for IDRA 21?
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To request a sample or quote for IDRA 21, please contact our sales team through the website or by phone, providing your specific requirements.
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