Almorexant HCl

Catalog No.S2160 Batch:S216002

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Technical Data

Formula

C29H32ClF3N2O3
Molecular Weight 549.02 CAS No. 913358-93-7
Solubility (25°C)* In vitro DMSO 100 mg/mL (182.14 mM)
Ethanol 100 mg/mL (182.14 mM)
Water Insoluble
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
* Room temperature shipping (Stability testing shows this product can be shipped without any cooling measures.)

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Biological Activity

Description Almorexant HCl (ACT-078573) is an orally active, dual orexin receptor antagonist with IC50 of 6.6 nM and 3.4 nM for OX1 and OX2 receptor, respectively. Phase 3.
Targets
OX2 receptor [1] OX1 receptor [1]
3.4 nM 6.6 nM
In vitro Almorexant inhibits the increase in intracellular Ca2+ induced by 10 nM human orexin-A in Chinese hamster ovary cells with IC50 of 16 nM (rat) and 13 nM (human) for the OX1 receptor and 15 nM (rat) and 8 nM (human) for the OX2 receptor. [1]
In vivo Almorexant (300 mg/kg p.o.) decreases alertness, and increases electrophysiological indices of both non-REM and REM sleep in male Wistar rats. In dogs, Almorexant (100 mg/kg p.o.) causes somnolence and increases surrogate markers of REM sleep. [1] Almorexant induces a robust antidepressant-like effect and the restoration of stress-related HPA axis defect independently from a neurogenic action. [2] In addition, Almorexant also reduces ethanol self-administration in high-drinking rodent models. [3]
Features Orally bioavailable orexin receptor antagonist that has been tested in Phase III clinical trials for treatment of Insomnia.

Protocol (from reference)

Animal Study:[1]
  • Animal Models

    Wistar rats.

  • Dosages

    ~300 mg/kg

  • Administration

    p.o.

Customer Product Validation

Data from [Data independently produced by , , J Pharmacol Exp Ther, 2016, 358(3):492-501. ]

Selleck's Almorexant HCl has been cited by 4 publications

Cancer genes disfavoring T cell immunity identified via integrated systems approach [ Cell Rep, 2022, 40(5):111153] PubMed: 35926468
Brain Circuit of Claustrophobia-like Behavior in Mice Identified by Upstream Tracing of Sighing [ Cell Rep, 2020, 31(11):107779] PubMed: 32553161
Optogenetic identification of hypothalamic orexin neuron projections to paraventricular spinally projecting neurons. [ Am J Physiol Heart Circ Physiol, 2017, 312(4):H808-H817] PubMed: 28159808
Intrathecal Intermittent Orexin-A Causes Sympathetic Long-Term Facilitation and Sensitizes the Peripheral Chemoreceptor Response to Hypoxia in Rats. [Kim SJ, et al. J Pharmacol Exp Ther, 2016, 358(3):492-501] PubMed: 27384072

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SHIPPING AND STORAGE
Selleck products are transported at room temperature. If you receive the product at room temperature, please rest assured, the Selleck Quality Inspection Department has conducted experiments to verify that the normal temperature placement of one month will not affect the biological activity of powder products. After collecting, please store the product according to the requirements described in the datasheet. Most Selleck products are stable under the recommended conditions.

NOT FOR HUMAN, VETERINARY DIAGNOSTIC OR THERAPEUTIC USE.