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SB-334867 free base (SB334867A free base) is a selective orexin-1 (OX1) receptor antagonist. In CHO-OX1 cells, SB-334867 inhibits calcium responses mediated by the human OX1 receptor in a concentration-dependent manner, with a binding pKi value of 7.17 for the human OX1 receptor.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 2 mg | $35 | In Stock | |
| 5 mg | $64 | In Stock | |
| 10 mg | $100 | In Stock | |
| 25 mg | $163 | In Stock | |
| 50 mg | $238 | In Stock | |
| 100 mg | $355 | In Stock | |
| 200 mg | $528 | In Stock | |
| 1 mL x 10 mM (in DMSO) | $71 | In Stock |
| Description | SB-334867 free base (SB334867A free base) is a selective orexin-1 (OX1) receptor antagonist. In CHO-OX1 cells, SB-334867 inhibits calcium responses mediated by the human OX1 receptor in a concentration-dependent manner, with a binding pKi value of 7.17 for the human OX1 receptor. |
| Targets&IC50 | OXB:100 nM, OX1:40 nM, OXA:10 nM |
| In vitro | In CHO-OX1 cells, SB-334867 inhibits the orexin-A (10 nM) and orexin-B (100 nM)-induced calcium responses with pKB of 7.27 and 7.23 respectively, without effect on the UTP (3 microM)-induced calcium response. [1] |
| In vivo | In both male and female rats, SB-334867 (30 mg/kg, i.p.) significantly reduces natural and orexin-A-induced food intake. [2] SB-334867 (2 mg/kg, i.v.) blocks the effects of antipsychotic drugs on dopamine neuronal activity in rats. [3] |
| Synonyms | SB334867A free base, SB-334867, SB334867, SB 334867 |
| Molecular Weight | 319.32 |
| Formula | C17H13N5O2 |
| Cas No. | 792173-99-0 |
| Smiles | N(C(NC=1C=C2C(=CC1)N=C(C)O2)=O)C=3C4=C(N=CC3)C=CC=N4 |
| Relative Density. | 1.472 g/cm3 |
| Color | White |
| Appearance | Solid |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | ||||||||||||||||||||||||||||||||||||||||
| Solubility Information | Ethanol: 3.2 mg/mL (10 mM)), Heating is recommended. DMSO: 31.9 mg/mL (100 mM), Heating is recommended. | ||||||||||||||||||||||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||||||||||||||||||||||
Ethanol/DMSO
DMSO
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