Paliperidone Palmitate

Alias: RO 92670; RO92670; RO-92670; Paliperidone Palmitate
Cat No.:V4826 Purity: ≥98%
Paliperidone palmitate (RO-92670; 9-Hydroxyrisperidone palmitate; RO92670) is a novel and potent dopamine antagonist and 5-HT2A antagonist that belongs to the atypical antipsychotic class of medications.
Paliperidone Palmitate Chemical Structure CAS No.: 199739-10-1
Product category: Dopamine Receptor
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
10mg
25mg
50mg
100mg
250mg
500mg
1g
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

Paliperidone palmitate (RO-92670; 9-Hydroxyrisperidone palmitate; RO92670) is a novel and potent dopamine antagonist and 5-HT2A antagonist that belongs to the atypical antipsychotic class of medications. Paliperidone exhibits antagonistic effects on H1 histamine receptors as well as α1 and α2 adrenergic receptors. Muscarinic acetylcholine receptors are not bound by it. Furthermore, it binds to serotonin and dopamine receptors. In a concentration-dependent manner, paliperidone markedly increases the intracellular accumulation of Rh123 and DOX. In comparison to other APDs, paliperidone has shown better oxidative stress-scavenging abilities in a number of areas, including produced bulk glutathione, low HNE, and protein carbonyl production.

Biological Activity I Assay Protocols (From Reference)
Targets
5-HT2A Receptor; D2 Receptor
ln Vitro
In vitro activity: Paliperidone dramatically increases the intracellular accumulation of Rh123 and DOX in a concentration-dependent manner. Paliperidone exclusively shields SH-SY5Y from hydrogen peroxide and functions well at low concentrations (10 and 50 μM) against Aβ(25-35) and MPP(+). Regardless of the dosage, paliperidone (100 μM) completely mitigates cell reduction caused by various stressors. In comparison to other APDs, paliperidone is shown to have better oxidative stress-scavenging abilities in a number of areas, including produced bulk glutathione, low HNE, and protein carbonyl productions. The only AP that considerably raises cell viability (8.1%) when compared to cells treated with dopamine alone is paliperidone, which also increases dopamine toxicity at the highest dosage.
ln Vivo
Paliperidone restores basal extracellular glutamate in the prefrontal cortex in rats. Additionally, in rats, paliperidone inhibits the acute increase in extracellular glutamate induced by MK-801. When paliperidone and escitalopram are taken together, the suppression of the percentage of neurons exhibiting burst firing and the NE neuronal firing rate (n = 5 rats) is restored. At an effective dosage, paliperidone reduces bite and attack behaviors in a dose-dependent manner. Paliperidone gives rise to the greatest possible decrease in aggressive conduct.
Animal Protocol
Rats
References

[1]. Satisfaction of immediate or delayed switch to paliperidone palmitate in patients unsatisfied with current oral atypical antipsychotics. Int Clin Psychopharmacol. 2015;30(6):320-328.

[2]. J Comp Eff Res. 2018 May 3. doi: 10.2217/cer-2018-0003.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C39H57FN4O4
Molecular Weight
664.89268
Exact Mass
664.44
Elemental Analysis
C, 70.45; H, 8.64; F, 2.86; N, 8.43; O, 9.62
CAS #
199739-10-1
Related CAS #
144598-75-4; 199739-10-1 (palmitate)
Appearance
Solid powder
SMILES
CCCCCCCCCCCCCCCC(=O)OC1CCCN2C1=NC(=C(C2=O)CCN3CCC(CC3)C4=NOC5=C4C=CC(=C5)F)C
InChi Key
VOMKSBFLAZZBOW-UHFFFAOYSA-N
InChi Code
InChI=1S/C39H57FN4O4/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-18-36(45)47-34-17-16-24-44-38(34)41-29(2)32(39(44)46)23-27-43-25-21-30(22-26-43)37-33-20-19-31(40)28-35(33)48-42-37/h19-20,28,30,34H,3-18,21-27H2,1-2H3
Chemical Name
[3-[2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-4-oxo-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-9-yl] hexadecanoate
Synonyms
RO 92670; RO92670; RO-92670; Paliperidone Palmitate
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 (e.g. under nitrogen), avoid exposure to moisture and light.
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)
DMSO: ~1 mg/mL (~1.5 mM)
Ethanol: ~2 mg/mL (~3.0 mM)
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 1.5040 mL 7.5200 mL 15.0401 mL
5 mM 0.3008 mL 1.5040 mL 3.0080 mL
10 mM 0.1504 mL 0.7520 mL 1.5040 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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  • 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
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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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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.

Clinical Trial Information
NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT04940039 Active
Recruiting
Drug: Risperidone 3 mg
Drug: Paliperidone Palmitate
50 mg eq.
Schizophrenia Janssen-Cilag International NV July 22, 2021 Phase 4
NCT01860781 Completed Drug: paliperidone palmitate Schizophrenia Seoul National University
Hospital
August 2011 Phase 4
NCT01682161 Completed Drug: Paliperidone palmitate Schizophrenia Janssen Korea, Ltd., Korea January 2012 Phase 4
NCT01258920 Completed Drug: Paliperidone palmitate Schizophrenia Janssen Pharmaceutical K.K. October 2010 Phase 3
NCT01685931 Completed Drug: Paliperidone Palmitate Schizophrenia Xian-Janssen Pharmaceutical Ltd. November 2012 Phase 4
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