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QX 314 bromide is a membrane impermeable quaternary derivative of lidocaine, a blocker of voltage-activated Na+ channels. Intracellular QX 314 bromide also inhibits calcium currents in hippocampal CA1 pyramidal neurons.
| Molecular Weight | 343.31 |
| Formula | C16H27N2OBr |
| CAS Number | 24003-58-5 |
| Solubility (25°C) | Water 90 mg/mL DMSO 30 mg/mL (ultrasonic and warming) |
| Storage | 4°C, dry, sealed |
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