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PNU-96391

Alias: PNU96391; OSU-6162; PNU-96391
PNU-96391 is a novel and potent dopamine D2 antagonist and a 5-HT2A partial agonist
PNU-96391
PNU-96391 Chemical Structure CAS No.: 146798-66-5
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
PNU-96391 is a novel and potent dopamine D2 antagonist and a 5-HT2A partial agonist
PNU-96391 (CAS#: 146798-66-5), also known as (-)-OSU6162 or OSU-6162, is an antagonist of dopamine D2 and a partial agonist of 5-HT2A. With a molecular formula of C15H23NO2S and a molecular weight of 281.41 g/mol, it is a presynaptic dopamine receptor antagonist. PNU-96391 can be used in research on the treatment of chronic diseases.
Biological Activity I Assay Protocols (From Reference)
Targets
PNU-96391 targets dopamine D2 receptors and 5-HT2A serotonin receptors. It acts as an antagonist at dopamine D2 receptors and a partial agonist at 5-HT2A receptors. Dopamine D2 receptors are involved in reward, motivation, and motor control, and are implicated in psychiatric disorders such as schizophrenia and addiction. 5-HT2A receptors are involved in mood, cognition, and perception.
ln Vitro
PNU-96391 demonstrates antagonist activity at dopamine D2 receptors and partial agonist activity at 5-HT2A receptors in vitro. Its binding affinity for these receptors has been characterized in radioligand binding assays. The compound's functional effects have been evaluated in cell-based assays measuring receptor-mediated signaling. Its unique pharmacological profile (D2 antagonist/5-HT2A partial agonist) makes it a valuable research tool.
ln Vivo
PNU-96391 has been studied in vivo for its effects on dopaminergic and serotonergic systems. As a dopamine D2 antagonist and 5-HT2A partial agonist, it may have effects on behavior, motor function, and cognition. It has been investigated for potential therapeutic applications in chronic diseases. Detailed in vivo efficacy data are limited in publicly available sources. The compound is primarily used as a research tool.
Enzyme Assay
Dopamine D2 and 5-HT2A receptor binding assays are performed using membranes prepared from cells expressing recombinant receptors or from brain tissue. Radioligand binding studies use [3H]-raclopride (D2) or [3H]-ketanserin (5-HT2A) as labeled ligands. Membrane preparations are incubated with varying concentrations of PNU-96391 and a fixed concentration of radioligand in binding buffer for 60-120 minutes. Non-specific binding is determined using excess unlabeled ligand (e.g., haloperidol for D2, ketanserin for 5-HT2A). Bound radioactivity is measured by scintillation counting after filtration. IC50 and Ki values are calculated by non-linear regression.
Cell Assay
Cellular D2 and 5-HT2A receptor activity is evaluated in cell lines expressing recombinant receptors (e.g., HEK-293 cells transfected with D2 or 5-HT2A). Cells are cultured in appropriate media and treated with PNU-96391 at various concentrations (0.1-100 μM). Functional assays measure receptor-mediated signaling: for D2 receptors, inhibition of cAMP accumulation; for 5-HT2A receptors, calcium mobilization (using Fluo-4 or Fura-2). The compound's antagonist activity at D2 and partial agonist activity at 5-HT2A are characterized. Cell viability is assessed using MTT or LDH assays.
Animal Protocol
In vivo studies are conducted in rodent models of psychiatric or neurological disorders. PNU-96391 is administered orally or intraperitoneally at doses determined by preclinical studies. Behavioral assessments may include tests of locomotor activity, prepulse inhibition, and cognitive function. Brain tissue is collected for neurochemical analysis (dopamine and serotonin levels) and receptor occupancy studies. Sample sizes typically range from 8-12 animals per group. Detailed protocols are not publicly available.
ADME/Pharmacokinetics
Metabolism / Metabolites
PNU-96391 Known human metabolites include 3-(3-(methylsulfonyl)phenyl)piperidine.
PNU-96391 has a molecular weight of 281.41 g/mol and a molecular formula of C15H23NO2S. Solubility: DMSO. Storage: typically at -20°C. Bioavailability, half-life, and tissue distribution data are not publicly available. The compound is a research tool for studying dopamine and serotonin receptor pharmacology.
Toxicity/Toxicokinetics
Limited toxicology data are available for PNU-96391. As a dopamine D2 antagonist and 5-HT2A partial agonist, potential toxicities may include effects on the central nervous system, motor function, and cardiovascular system. Standard toxicology studies would include acute and subchronic toxicity in rodents, genotoxicity screening, and evaluation of effects on behavior and motor function. No clinical trials have been reported for this compound. The compound is intended for research use only.
References

[1]. Synthesis of [11C-methyl]-(-)-OSU6162, its regional brain distribution and some pharmacological effects of (-)-OSU6162 on the dopaminergic system studied in the rhesus monkey by positron emission tomography. Nucl Med Biol. 1997 Aug;24(6):507-11.

Additional Infomation
PNU-96391 is also known as (-)-OSU6162, OSU-6162, and (-)-OSU. Its chemical name is Piperidine, 3-(3-(methylsulfonyl)phenyl)-1-propyl-, (S)-. It is a dopamine D2 antagonist and 5-HT2A partial agonist. It is used in research on chronic diseases. No clinical trials or regulatory approvals have been reported. The compound is for research use only.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C15H23NO2S
Molecular Weight
281.41
Exact Mass
281.145
CAS #
146798-66-5
PubChem CID
9795741
Appearance
Typically exists as solid at room temperature
Density
1.093g/cm3
Boiling Point
436.523ºC at 760 mmHg
Flash Point
217.802ºC
Vapour Pressure
0mmHg at 25°C
Index of Refraction
1.526
LogP
3.698
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
4
Heavy Atom Count
19
Complexity
374
Defined Atom Stereocenter Count
1
SMILES
CCCN1CCCC(C2C=CC=C(S(=O)(C)=O)C=2)C1
InChi Key
GZVBVBMMNFIXGE-CQSZACIVSA-N
InChi Code
InChI=1S/C15H23NO2S/c1-3-9-16-10-5-7-14(12-16)13-6-4-8-15(11-13)19(2,17)18/h4,6,8,11,14H,3,5,7,9-10,12H2,1-2H3/t14-/m1/s1
Chemical Name
(3S)-3-(3-methylsulfonylphenyl)-1-propylpiperidine
Synonyms
PNU96391; OSU-6162; PNU-96391
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 : PEG300 :Tween 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 : PEG300:Tween 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 3.5535 mL 17.7677 mL 35.5353 mL
5 mM 0.7107 mL 3.5535 mL 7.1071 mL
10 mM 0.3554 mL 1.7768 mL 3.5535 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?
  • Enter 350.26 in the Molecular Weight (MW) box
  • 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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  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
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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:
  • 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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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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