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PD 144418 oxalate

Alias: PD-144418 Oxalate PD-144418 PD144418 PD 144418
Cat No.:V40083 Purity: ≥98%
PD 144418 oxalate is a novel, high affinity, highly potent and specific sigma 1 (σ1) receptor ligand with Ki values of 0.08 nM and 1377 nM for σ1 and σ2 respectively.
PD 144418 oxalate
PD 144418 oxalate Chemical Structure CAS No.: 1794760-28-3
Product category: Sigma Receptor
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
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Other Forms of PD 144418 oxalate:

  • PD-144418
Official Supplier of:
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Top Publications Citing lnvivochem Products
Product Description
PD 144418 oxalate is a novel, high affinity, highly potent and specific sigma 1 (σ1) receptor ligand with Ki values of 0.08 nM and 1377 nM for σ1 and σ2 respectively. PD 144418 oxalate devoids of any significant affinity for other receptors, ion channels and enzymes. PD 144418 oxalate shows highly potential antipsychotic activity.
PD 144418 oxalate is a potent and selective sigma 1 (σ1) receptor ligand. It has a molecular weight of 468.50 g/mol and a molecular formula of C23H26N2O·C2H2O4. This compound has a Ki of 0.08 nM for the σ1 receptor and shows high selectivity over the σ2 receptor. It is used as a research tool for studying sigma receptor pharmacology.
Biological Activity I Assay Protocols (From Reference)
Targets
PD 144418 oxalate targets the sigma 1 (σ1) receptor as a potent and selective ligand. It has a Ki of 0.08 nM for the σ1 receptor and shows high selectivity over the σ2 receptor. By binding to σ1 receptors, it modulates various cellular processes, including calcium signaling and neuroprotection.
ln Vitro
N-methyl-D-aspartate (NMDA)-induced increases in cyclic GMP (cGMP) in rat cerebellar slices were reversed in vitro by PD 144418, without changing basal levels. This suggests that glutamine, specifically the σ1 site, may play a significant role in the control of induced cyclic GMP (cGMP). take action. PD 144418 has no effect on the synthesis of 5-HT or dopamine (DA) per se, but it amplifies the haloperidol-induced drop in 5-hydroxytryptophan in the mesolimbic region [1].
In vitro, PD 144418 oxalate is a potent and selective σ1 receptor ligand with a Ki of 0.08 nM. It shows high selectivity for σ1 over σ2 receptors. Its activity makes it a valuable tool for studying σ1 receptor function and its role in neurological and psychiatric disorders.
ln Vivo
Male CD-1 mice treated with 10 mg/kg i.p. with PD 144418 were able to suppress mescaline-induced scratching, but the dose had no effect on spontaneous locomotor activity. The ED50 of PD 144418 is 7.0 mg/kg ip [1].
In vivo, PD 144418 oxalate is used as a research tool to study the role of σ1 receptors in various physiological and pathological processes. As a selective σ1 ligand, it can be administered to animal models to study its effects on neuroprotection, cognition, and pain.
Enzyme Assay
In vitro receptor binding assays for PD 144418 oxalate involve measuring its affinity for σ1 and σ2 receptors. Radioligand binding studies using ³H-pentazocine or other σ ligands are performed on membranes from cells expressing the receptors. The compound is incubated with increasing concentrations, and Ki values are calculated.
Cell Assay
For in vitro cell-based assays, cells expressing σ1 receptors are cultured and treated with PD 144418 oxalate at various concentrations. Receptor activation is measured by quantifying downstream signaling pathways. Cell viability is assessed by standard assays. Its selectivity is confirmed by testing against σ2 receptors.
Animal Protocol
Animal/Disease Models: Male CD-1 mice, induced with mescaline [1]
Doses: 10 mg/kg
Route of Administration: intraperitoneal (ip) injection;
Experimental Results:Antagonizes mescaline-induced effects at a dose that does not change spontaneous locomotor activity Scratching.
In vivo animal studies with PD 144418 oxalate are conducted in models of neurodegenerative diseases, pain, and psychiatric disorders. The compound is administered orally or intraperitoneally to rodents. Efficacy is measured by assessing behavioral, biochemical, and histopathological endpoints.
ADME/Pharmacokinetics
PD 144418 oxalate (CAS: 1794760-28-3) has a molecular weight of 468.50 g/mol and a molecular formula of C23H26N2O·C2H2O4. Appearance: solid powder. Purity: ≥98%. Storage: -20°C. The compound is a potent and selective σ1 receptor ligand.
Toxicity/Toxicokinetics
PD 144418 oxalate is a research compound and is not approved for human therapeutic use. In preclinical studies, it has shown a manageable safety profile. As a σ1 receptor ligand, it may have effects on neuroprotection and pain modulation. Standard laboratory safety precautions should be followed when handling the compound.
References

[1]. The pharmacology of the novel and selective sigma ligand, PD 144418. Neuropharmacology. 1997 Jan;36(1):51-62.

[2]. Relationship between cerebral sigma-1 receptor occupancy and attenuation of cocaine's motor stimulatory effects in mice by PD144418. J Pharmacol Exp Ther. 2014 Oct;351(1):153-63.

Additional Infomation
PD 144418 oxalate is a potent and selective sigma 1 (σ1) receptor ligand with a Ki of 0.08 nM. It is a valuable research tool for studying σ1 receptor function. It is not FDA-approved and is intended for research use only.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C20H24N2O5
Molecular Weight
372.4150
Exact Mass
372.168
CAS #
1794760-28-3
Related CAS #
PD 144418;154130-99-1
PubChem CID
53447361
Appearance
White to off-white solid powder
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
7
Rotatable Bond Count
5
Heavy Atom Count
27
Complexity
432
Defined Atom Stereocenter Count
0
SMILES
O1C(=C([H])C(C2C([H])=C([H])C(C([H])([H])[H])=C([H])C=2[H])=N1)C1=C([H])C([H])([H])C([H])([H])N(C([H])([H])C([H])([H])C([H])([H])[H])C1([H])[H].O([H])C(C(=O)O[H])=O
InChi Key
IWSFHSVGBKPYFN-UHFFFAOYSA-N
InChi Code
InChI=1S/C18H22N2O.C2H2O4/c1-3-10-20-11-4-5-16(13-20)18-12-17(19-21-18)15-8-6-14(2)7-9-153-1(4)2(5)6/h5-9,12H,3-4,10-11,13H2,1-2H3(H,3,4)(H,5,6)
Chemical Name
3-(4-Methylphenyl)-5-(1-propyl-3,6-dihydro-2H-pyridin-5-yl)-1,2-oxazole Oxalate
Synonyms
PD-144418 Oxalate PD-144418 PD144418 PD 144418
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)
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 2.6851 mL 13.4257 mL 26.8514 mL
5 mM 0.5370 mL 2.6851 mL 5.3703 mL
10 mM 0.2685 mL 1.3426 mL 2.6851 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.

Calculator

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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

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

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:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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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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