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SR 57227A

Cat No.:V71175 Purity: ≥98%
SR 57227A is an orally bioactive selective agonist of the 5-HT3 receptor that penetrates the BBB (blood-brain barrier).
SR 57227A
SR 57227A Chemical Structure CAS No.: 77145-61-0
Product category: 5-HT Receptor
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
SR 57227A is an orally bioactive selective agonist of the 5-HT3 receptor that penetrates the BBB (blood-brain barrier). The affinity (IC50) of SR 57227A to the 5-HT3 receptor binding site on rat cortical membrane and whole NG 108-15 cells or their membranes is 2.8~250 nM. Has antidepressant effects.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
With an affinity (Ki) of 115 nM in rat cerebral cortex, 150 nM in NG 108-15 cell membranes, and 103 nM in the entire NG 108-15 cell, SR 57227A binds to 5-HT3 receptors tagged with [3H]S-zacopride[1].
ln Vivo
In the forced swimming test, SR 57227A (1–30 mg/kg; ip) reduces immobility time in a dose-dependent manner; its ED50 value is 14.2 mg/kg[2]. SR 57227A dose-dependently shortens the rats' period of immobility following intraperitoneal injection in the forced swimming test. Following oral dosing, SR 57227A is also active in both species (ED50=7.6 mg/kg ip in rats). In a mouse time-course investigation, SR 57227A (20 mg/kg po) has a noteworthy 6-hour duration of effect. In the final two days of the avoidance task, SR 57227A (1 and 3 mg/kg ip) decreases the elevation of escape failures in the learned helplessness paradigm in rats by 50–60%. It also lessens isolation-induced aggressivity in mice by 50–85%, an effect that is countered by Zacopride (1 mg/kg ip)[2].
References
[1]. Poncelet M, et al, Le Fur G. Antidepressant-like effects of SR 57227A, a 5-HT3 receptor agonist, in rodents. J Neural Transm Gen Sect. 1995;102(2):83‐90.
[2]. Bachy A, et al. SR 57227A: a potent and selective agonist at central and peripheral 5-HT3 receptors in vitro and in vivo. Eur J Pharmacol. 1993;237(2-3):299‐309.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C10H15CL2N3
Molecular Weight
248.15
CAS #
77145-61-0
Appearance
Typically exists as solids (or liquids in special cases) at room temperature
SMILES
Cl.NC1CCN(C2C=CC=C(Cl)N=2)CC1
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: Please store this product in a sealed and protected environment, avoid exposure to moisture.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
H2O: 33.33 mg/mL (134.31 mM)
DMSO: 8.33 mg/mL (33.57 mM)
Solubility (In Vivo)
Solubility in Formulation 1: 10 mg/mL (40.30 mM) in PBS (add these co-solvents sequentially from left to right, and one by one), clear solution; with sonication (<60°C).

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 4.0298 mL 20.1491 mL 40.2982 mL
5 mM 0.8060 mL 4.0298 mL 8.0596 mL
10 mM 0.4030 mL 2.0149 mL 4.0298 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
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