| Description | SPQ is used to measure membrane chloride transport mechanisms. |
| molecular weight | 281.33 |
| Molecular formula | C13H15NO4S |
| CAS | 83907-40-8 |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
| Solubility | H2O: 20 mg/mL (71.10 mM), Sonication is recommended. |