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IEM-1460

Cat No.:V48923 Purity: ≥98%
IEM-1460 blocks AMPA and NMDA glutamate receptors and has anticonvulsant (antiepileptic/antiseizure) effects in vivo.
IEM-1460
IEM-1460 Chemical Structure CAS No.: 121034-89-7
Product category: New3
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
10mg
50mg
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Product Description
IEM-1460 blocks AMPA and NMDA glutamate receptors and has anticonvulsant (antiepileptic/antiseizure) effects in vivo.
IEM-1460 is an adamantane derivative that functions as a voltage-dependent open-channel blocker of AMPA receptors. The compound has a molecular formula of C₁₉H₃₈Br₂N₂ and a molecular weight of 454.33 g/mol. IEM-1460 selectively inhibits calcium-permeable AMPA receptors lacking the GluA2 subunit. It also blocks NMDA glutamate receptors and has anticonvulsant effects in vivo. The compound shows differential potency with IC₅₀ values of 2.6 µM for GluR2-lacking (Ca²⁺-permeable) receptors versus 1102 µM for GluR2-containing receptors.
Biological Activity I Assay Protocols (From Reference)
Targets
IEM-1460 targets AMPA (α-amino-3-hydroxy-5-methyl-4-isoxazolepropionate) and NMDA (N-methyl-D-aspartate) glutamate receptors. It is a selective, voltage-dependent open-channel blocker of AMPA receptors, with selectivity for calcium-permeable AMPA receptors that lack the GluA2 subunit. The IC₅₀ values are 2.6 µM for GluR2-lacking receptors and 1102 µM for GluR2-containing receptors. By blocking these receptors, IEM-1460 inhibits glutamatergic neurotransmission, which is implicated in seizure generation and excitotoxicity. This mechanism underlies its anticonvulsant effects.
ln Vitro
In vitro, IEM-1460 acts as a voltage-dependent open-channel blocker of AMPA receptors with high selectivity for Ca²⁺-permeable (GluR2-lacking) AMPA receptors over GluR2-containing receptors. The compound shows IC₅₀ values of 2.6 µM and 1102 µM for these receptor subtypes, respectively. IEM-1460 also blocks NMDA receptors. Electrophysiological studies using patch-clamp techniques in cultured neurons or heterologous expression systems demonstrate the compound's ability to inhibit AMPA and NMDA receptor-mediated currents in a use- and voltage-dependent manner. The compound is used as a pharmacological tool to study AMPA receptor function.
ln Vivo
In vivo, IEM-1460 has anticonvulsant (antiepileptic/antiseizure) effects. The compound blocks both AMPA and NMDA glutamate receptors, which are involved in seizure generation and propagation. Animal studies in seizure models demonstrate the compound's ability to reduce seizure frequency and severity. IEM-1460 is used as a research tool to study the role of AMPA and NMDA receptors in epilepsy and other neurological disorders. Further in vivo studies would be needed to fully characterize its efficacy and safety profile.
Enzyme Assay
In vitro electrophysiological assays for IEM-1460 involve patch-clamp recordings from cells expressing AMPA or NMDA receptors. The standard protocol includes whole-cell voltage-clamp recordings from cultured neurons or HEK293 cells transfected with receptor subunits. Varying concentrations of IEM-1460 (0.1-1000 µM) are applied to the recording chamber, and receptor-mediated currents are elicited by application of agonists such as glutamate or AMPA. The degree of current inhibition is measured, and IC₅₀ values are calculated from dose-response curves. Use-dependent block is assessed by repeated agonist applications.
Cell Assay
Cell-based assays for IEM-1460 are conducted in cultured neurons or heterologous expression systems. Cells expressing AMPA or NMDA receptors are treated with IEM-1460 at varying concentrations (0.1-1000 µM). Receptor function is assessed by calcium imaging using fluorescent indicators (e.g., Fluo-4) or by electrophysiological recordings. For calcium-permeable AMPA receptors, calcium influx is measured in response to agonist application. Cell viability is assessed to confirm lack of cytotoxicity. The compound is also used in studies of synaptic transmission and plasticity in neuronal cultures.
Animal Protocol
In vivo animal experiments for IEM-1460 are conducted in rodent seizure models. Typical protocols involve administration of the compound via intraperitoneal or intravenous injection to mice or rats. Seizures are induced by chemical agents (e.g., pentylenetetrazole, kainic acid) or by electrical stimulation. The anticonvulsant effect is assessed by measuring seizure latency, severity, and duration. EEG recordings may be performed to monitor brain activity. The compound's effects on behavior and motor function are also evaluated.
ADME/Pharmacokinetics
Pharmacokinetic data for IEM-1460 are not extensively reported. As a small molecule with a molecular weight of 454.33 g/mol and LogP of 2.021, the compound is expected to have moderate lipophilicity and ability to cross the blood-brain barrier. Solubility is in water (45.43 mg/mL) and DMSO. Storage: powder at -20°C for 3 years or 4°C for 2 years. The compound is a bromide salt of an adamantane derivative. Further PK studies would be required for comprehensive characterization.
Toxicity/Toxicokinetics
Toxicity data for IEM-1460 are limited. The compound is supplied for research use only and is not intended for human administration. As a glutamate receptor blocker with anticonvulsant effects, it may have neurological effects at high doses. Standard laboratory safety precautions should be followed. No specific toxicological studies have been published. The compound should be handled with care and stored appropriately.
References

[1]. Two mechanisms of action of the adamantane derivative IEM-1460 at human AMPA-type glutamate receptors. Br J Pharmacol. 2005 Jul;145(5):656-63.

Additional Infomation
IEM-1460 (CAS 121034-89-7) is a research compound supplied for laboratory use only. It is not an approved drug and has no clinical trial or marketing authorization status. The compound is a voltage-dependent open-channel blocker of AMPA receptors with selectivity for GluA2-lacking (Ca²⁺-permeable) receptors. It also blocks NMDA receptors and has anticonvulsant effects. Purity is typically ≥98%. The compound appears as a white to off-white solid powder and should be stored at -20°C or 4°C.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C19H38BR2N2
Molecular Weight
454.3264
Exact Mass
452.14
CAS #
121034-89-7
PubChem CID
6604954
Appearance
White to off-white solid powder
LogP
2.021
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
8
Heavy Atom Count
23
Complexity
301
Defined Atom Stereocenter Count
0
InChi Key
CQTDZUSQSTUZDA-UHFFFAOYSA-M
InChi Code
InChI=1S/C19H37N2.2BrH/c1-21(2,3)8-6-4-5-7-20-15-19-12-16-9-17(13-19)11-18(10-16)14-19;;/h16-18,20H,4-15H2,1-3H3;2*1H/q+1;;/p-1
Chemical Name
5-(1-adamantylmethylamino)pentyl-trimethylazanium;bromide;hydrobromide
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

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)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.2010 mL 11.0052 mL 22.0104 mL
5 mM 0.4402 mL 2.2010 mL 4.4021 mL
10 mM 0.2201 mL 1.1005 mL 2.2010 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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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • Enter 10 in the Concentration box and choose the correct unit (mM)
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

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.
             (2) Be sure to add the solvent(s) in order.

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