S(–)-WIN 55,212-3 mesylate salt
S(–)-WIN 55,212-3 mesylate salt (CAS: 131543-25-4) is a bioactive small molecule and cannabinoid research chemical. Its linear formula is C27H26N2O3 · CH3SO3H, with a molecular weight of 522.61 g/mol. This off-white solid compound is primarily used in neurobiology and cell signaling research, offering a specific tool for scientific investigation in these fields.
- IUPAC
- S(–)-[2,3-Dihydro-5-methyl-3-[(4-morpholinyl)methyl]pyrrolo[1,2,3-de]-1,4-benzoxazinyl]-(1-naphthalenyl)methanone mesylate salt
- Synonyms
- C27H26N2O3 · CH3SO3HS(–)-[2,3-Dihydro-5-methyl-3-[(4-morpholinyl)methyl]pyrrolo[1,2,3-de]-1,4-benzoxazinyl]-(1-naphthalenyl)methanone mesylate salt

Neuroscience Research
S(–)-WIN 55,212-3 mesylate salt is utilised as a research tool in neuroscience to investigate cannabinoid receptor interactions and their downstream signalling pathways. Its specific enantiomeric form allows for detailed studies into receptor subtype selectivity.
Cell Signaling Studies
This compound serves as a valuable reagent in cell biology for probing cellular responses mediated by the endocannabinoid system. Researchers employ it to understand complex cell signaling cascades relevant to various physiological processes.
Pharmacological Investigations
As a well-defined cannabinoid analogue, S(–)-WIN 55,212-3 mesylate salt is used in pharmacological studies to explore potential therapeutic targets and mechanisms of action. Its availability aids in the development of novel research hypotheses.
| Molecular weight | 522.61 |
|---|---|
| Linear formula | C27H26N2O3 · CH3SO3H |
| Form | solid |
| Colour | off-white |
| Solubility | 45% (w/v) aq 2-hydroxypropyl-β-cyclodextrin: soluble2.4 mg/mLDMSO: solublemethanol: soluble |
| Optical activity | [α]/D −48.0°, c = 0.246 in DMSO(lit.) |
| 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.
| Drug Control | regulated under CDSA - not available from Canada |
|---|
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 S(–)-WIN 55,212-3 mesylate salt used for?
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S(–)-WIN 55,212-3 mesylate salt is used for research purposes, particularly in neuroscience, cell biology, and pharmacological investigations involving cannabinoid receptors and cell signaling pathways.
What are the CAS number and molecular formula for S(–)-WIN 55,212-3 mesylate salt?
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The CAS number for S(–)-WIN 55,212-3 mesylate salt is 131543-25-4, and its linear molecular formula is C27H26N2O3 · CH3SO3H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies S(–)-WIN 55,212-3 mesylate salt as a research-grade chemical. Purity details are available upon request, and TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should S(–)-WIN 55,212-3 mesylate salt be handled safely?
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When handling S(–)-WIN 55,212-3 mesylate salt, it is essential to use personal protective equipment including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. The compound has a WGK Germany rating of 3, indicating significant hazard.
Is S(–)-WIN 55,212-3 mesylate salt a controlled substance?
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Yes, S(–)-WIN 55,212-3 mesylate salt is regulated under the CDSA and is not available for export from Canada.
How can I request a quote or sample for S(–)-WIN 55,212-3 mesylate salt?
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To request a quote or sample for S(–)-WIN 55,212-3 mesylate salt, please contact our sales department via the website or your designated account manager.
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