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S1RA (E-52862)(E-52862) is a potent, selective antagonist of the sigma-1 receptor (σ1R, Ki=17 nM), demonstrating significant selectivity over the sigma-2 receptor (σ2R, Ki > 1000 nM).

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 1 mg | $32 | In Stock | |
| 5 mg | $73 | In Stock | |
| 10 mg | $135 | In Stock | |
| 25 mg | $226 | In Stock | |
| 50 mg | $336 | In Stock | |
| 1 mL x 10 mM (in DMSO) | $80 | In Stock |
| Description | S1RA (E-52862)(E-52862) is a potent, selective antagonist of the sigma-1 receptor (σ1R, Ki=17 nM), demonstrating significant selectivity over the sigma-2 receptor (σ2R, Ki > 1000 nM). |
| Targets&IC50 | σ1 receptor (guinea pig):23.5 nM (Ki), σ1 receptor:17 nM(Ki), σ2 receptor (guinea pig):>1000 nM (Ki), σ2 receptor (rat):9300 nM (Ki), 5-HT2B receptor (human):328 nM (Ki) |
| Synonyms | E-52862 |
| Molecular Weight | 337.42 |
| Formula | C20H23N3O2 |
| Cas No. | 878141-96-9 |
| Smiles | Cc1cc(OCCN2CCOCC2)nn1-c1ccc2ccccc2c1 |
| Relative Density. | 1.21 g/cm3 (Predicted) |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | ||||||||||||||||||||
| Solubility Information | DMSO: 10 mM, Sonication is recommended. | ||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||
DMSO
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