Chemical Name: (±)-Tropanyl 2-(4-chlorophenoxy)butanoate maleate
Purity: ≥99% (HPLC)
Biological Activity
Technical Data
Solubility
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References
Biological Activity
Potent and selective σ2 antagonist with central effects following systemic administration. Causes increased release of acetylcholine at central muscarinic synapses. Potent analgesic (efficacy comparable to morphine) and nootropic agent.
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Solubility Data
Solvent
Max Conc. mg/mL
Max Conc. mM
Solubility
water
11.35
25
Preparing Stock Solutions
The following data is based on the product molecular weight 453.92. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
Concentration / Solvent Volume / Mass
1 mg
5 mg
10 mg
1 mM
2.2 mL
11.02 mL
22.03 mL
5 mM
0.44 mL
2.2 mL
4.41 mL
10 mM
0.22 mL
1.1 mL
2.2 mL
50 mM
0.04 mL
0.22 mL
0.44 mL
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Product Datasheets
Certificate of Analysis / Product Datasheet
Safety Datasheet
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References
References are publications that support the products' biological activity.
Ghelardiniet al (1997) Antinociceptive profile of 3-α-tropanyl-(2-Cl)-acid phenoxybutyrate (SM-21): a novel analgesic with a presynaptic cholinergic mechanism of action. J.Pharmacol.Exp.Ther. 282 430 PMID: 9223584
Ghelardiniet al (2000) Pharmacological identification of SM-21, the novel σ2 antagonist. Pharmacol.Biochem.Behav. 67 659 PMID: 11164098
Matsumoto and Mack
(2001) (±)-SM 21 attenuates the convulsive and locomotor stimulatory effects of cocaine in mice. Eur.J.Pharmacol. 417 R1 PMID: 11301071