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Dextrallorphan (DXA) is an chemical of the morphinan class that is used in scientific research. It acts as a σ1 receptor agonist and NMDA receptor antagonist. It has no significant affinity for the σ2, μ-opioid, or δ-opioid receptor, or for the serotonin or norepinephrine transporter. As an NMDA receptor antagonist, in vivo, it is approximately twice as potent as dextromethorphan, and five-fold less potent than dextrorphan. Dextrallorphan was found to have a half maximal inhibitory concentration (IC50) for binding to the pituitary and brain receptor of 10,000 ± 1000 nM and 10,000 ± 1500 nM, respectively. While its stereoisomer, levallorphan, had a 10,000 times more potent dose, thus proving that binding to these receptors is stereospecific.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 25 mg | $1,520 | 6-8 weeks | 6-8 weeks | |
| 50 mg | $1,980 | 6-8 weeks | 6-8 weeks | |
| 100 mg | $2,500 | 6-8 weeks | 6-8 weeks |
| Description | Dextrallorphan (DXA) is an chemical of the morphinan class that is used in scientific research. It acts as a σ1 receptor agonist and NMDA receptor antagonist. It has no significant affinity for the σ2, μ-opioid, or δ-opioid receptor, or for the serotonin or norepinephrine transporter. As an NMDA receptor antagonist, in vivo, it is approximately twice as potent as dextromethorphan, and five-fold less potent than dextrorphan. Dextrallorphan was found to have a half maximal inhibitory concentration (IC50) for binding to the pituitary and brain receptor of 10,000 ± 1000 nM and 10,000 ± 1500 nM, respectively. While its stereoisomer, levallorphan, had a 10,000 times more potent dose, thus proving that binding to these receptors is stereospecific. |
| Molecular Weight | 283.41 |
| Formula | C19H25NO |
| Cas No. | 5822-43-5 |
| Smiles | C(C=C)N1[C@@]2([C@@]3([C@@](C=4C(C2)=CC=C(O)C4)(CC1)CCCC3)[H])[H] |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
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