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PQ-10

Alias: PQ10; PQ 10; PQ-10
Cat No.:V28557 Purity: ≥98%
PQ-10 is a potent inhibitor of phosphodiesterase 10A (PDE10A) with IC50 and ED50s of 4.6 nM and 13 mg/kg, respectively.
PQ-10
PQ-10 Chemical Structure CAS No.: 927691-21-2
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
10mg
50mg
100mg
Other Sizes
Official Supplier of:
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Product Description
PQ-10 is a potent inhibitor of phosphodiesterase 10A (PDE10A) with IC50 and ED50s of 4.6 nM and 13 mg/kg, respectively. PQ-10 induces brain glucose metabolism patterns, which may be a potential translational biomarker. PQ-10 may be used for studying psychiatric disorders like schizophrenia.
Biological Activity I Assay Protocols (From Reference)
ln Vivo
PQ-10 demonstrates region-specific increases in 2-DG absorption in the mouse lateral habenula and globus pallidus, the outer portion corresponding to the globus pallidus in primates [1].
Animal Protocol
Animal/Disease Models: 24 –28 g male C57BL/6 mice, PDE10A WT and KO mice [1]
Doses: 0.16, 0.63, 2.5 and 10 mg/kg
Route of Administration: subcutaneous injection
Experimental Results: Area showing 2-DG uptake Specific increases in the globus pallidus (the outer segment equivalent to the globus pallidus in primates) and the lateral habenula in mice.
References

[1]. Patterns of brain glucose metabolism induced by phosphodiesterase 10A inhibitors in the mouse: a potential translational biomarker. J Pharmacol Exp Ther. 2011;339(1):210-217.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C22H21N5O3
Molecular Weight
403.44
Exact Mass
403.164
Elemental Analysis
C, 65.50; H, 5.25; N, 17.36; O, 11.90
CAS #
927691-21-2
PubChem CID
11955614
Appearance
White to off-white solid powder
Density
1.333
LogP
3.312
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
8
Rotatable Bond Count
5
Heavy Atom Count
30
Complexity
569
Defined Atom Stereocenter Count
1
SMILES
O(C1C(OC)=CC2C(=C(N3CC[C@@H](OC4C=NC5C=CC=CC=5N=4)C3)N=CN=2)C=1)C
InChi Key
UBIIFKJMNRPNMT-CQSZACIVSA-N
InChi Code
InChI=1S/C22H21N5O3/c1-28-19-9-15-18(10-20(19)29-2)24-13-25-22(15)27-8-7-14(12-27)30-21-11-23-16-5-3-4-6-17(16)26-21/h3-6,9-11,13-14H,7-8,12H2,1-2H3/t14-/m1/s1
Chemical Name
6,7-dimethoxy-4-[(3R)-3-quinoxalin-2-yloxypyrrolidin-1-yl]quinazoline
Synonyms
PQ10; PQ 10; PQ-10
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)
DMSO : ~25 mg/mL (~61.97 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (6.20 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (6.20 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.4787 mL 12.3934 mL 24.7868 mL
5 mM 0.4957 mL 2.4787 mL 4.9574 mL
10 mM 0.2479 mL 1.2393 mL 2.4787 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

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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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)
  • Enter 5 in the Volume box and choose the correct unit (mL)
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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:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • 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

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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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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