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ARN2966

Alias: ARN-2966; ARN 2966; ARN2966; 2-PMAP; 2 PMAP
Cat No.:V4637 Purity: ≥98%
ARN2966 is a novel and potent post-transcriptional modulator of APP (amyloid precursor protein) expression; reduces expression of APP with resultant lower production of Aβ.
ARN2966
ARN2966 Chemical Structure CAS No.: 102212-26-0
Product category: Beta Amyloid
This product is for research use only, not for human use. We do not sell to patients.
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description
ARN2966 is a novel and potent post-transcriptional modulator of APP (amyloid precursor protein) expression; reduces expression of APP with resultant lower production of Aβ. The mechanism of action (MOA) of ARN2966 is currently under study and appears to be novel. ARN2966 reduces expression of APP with resultant lower production of Aβ. This potent post-transcriptional modulation of APP expression differs from other mechanisms such as inhibition of secretases. Secretase inhibitors have been pursued as disease modifying strategies by a number of pharmaceutical firms but they have encountered numerous setbacks during clinical development.
ARN2966 (CAS# 102212-26-0), also known as 2-PMAP, is a potent, orally active, and blood-brain barrier penetrant post-transcriptional modulator of amyloid precursor protein (APP) expression. With a molecular formula of C₁₂H₁₂N₂O and a molecular weight of 200.24 g/mol, it reduces APP expression and consequently lowers the production of amyloid-β (Aβ). ARN2966 has shown efficacy in improving memory and reducing Aβ in Alzheimer's disease transgenic mice.
Biological Activity I Assay Protocols (From Reference)
Targets
ARN2966 targets the expression of amyloid precursor protein (APP), the precursor to amyloid-β (Aβ) peptides that aggregate to form plaques in Alzheimer's disease. It acts as a post-transcriptional modulator of APP expression, reducing APP levels without affecting cell viability. By lowering APP expression, it reduces the production of Aβ peptides, which are neurotoxic.
ln Vitro
In vitro, ARN2966 reduces levels of APP and its intracellular C-terminal fragments α-CTF and β-CTF in CHO APP751SW cells when used at a concentration of 10 μM. It is a potent post-transcriptional modulator of APP expression in transfected CHO cells that produce APP. It reduces APP expression with resultant lower production of Aβ.
ln Vivo
In vivo, ARN2966 improves memory and reduces Aβ in Alzheimer's disease transgenic mice. It is orally active and blood-brain barrier penetrant. It is non-toxic and effective in vivo. These results demonstrate its potential as a therapeutic agent for Alzheimer's disease.
Enzyme Assay
In vitro APP expression assays for ARN2966 are performed using CHO cells stably expressing APP751SW. Cells are cultured in appropriate media and treated with ARN2966 at various concentrations (e.g., 10 μM) for a defined period. APP levels, as well as α-CTF and β-CTF levels, are measured by Western blot. Aβ levels in the culture medium are measured by ELISA.
Cell Assay
In vitro cell-based assays for ARN2966 are performed using CHO APP751SW cells. Cells are cultured in appropriate media and treated with ARN2966 at various concentrations. Cell viability is assessed by MTT assays to confirm lack of toxicity. APP and Aβ levels are measured by Western blot and ELISA, respectively. The effects on APP processing and Aβ production are assessed.
Animal Protocol
In vivo animal studies for ARN2966 are conducted in transgenic mouse models of Alzheimer's disease (e.g., APP/PS1 mice). The compound is administered orally. Cognitive function is assessed using behavioral tests such as the Morris water maze or novel object recognition. Aβ levels in the brain are measured by ELISA or immunohistochemistry.
ADME/Pharmacokinetics
ARN2966 is orally active and blood-brain barrier penetrant. Specific pharmacokinetic properties, such as half-life and bioavailability, are not extensively detailed in the available literature. As a small molecule with a molecular weight of 200.24 g/mol, it is expected to have good oral bioavailability and brain penetration. It is soluble in DMSO.
Toxicity/Toxicokinetics
ARN2966 is non-toxic. In cell-based assays, it shows no cytotoxicity at effective concentrations. As a research compound, it is intended for laboratory use only and is not for human therapeutic use. Standard safety precautions should be followed when handling this compound.
References
:http://arianeurosciences.com/science.html
Additional Infomation
ARN2966 is a potent, orally active, and BBB penetrant post-transcriptional modulator of APP expression. It reduces APP expression and lowers Aβ production. It improves memory and reduces Aβ in Alzheimer's disease transgenic mice. This product is for research use only.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C12H12N2O
Molecular Weight
200.23648
Exact Mass
200.095
CAS #
102212-26-0
PubChem CID
14936865
Appearance
Light yellow to yellow solid powder
LogP
2.472
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
3
Heavy Atom Count
15
Complexity
187
Defined Atom Stereocenter Count
0
InChi Key
GXJRVWZNMZGWAQ-UHFFFAOYSA-N
InChi Code
InChI=1S/C12H12N2O/c15-12-7-2-1-6-11(12)14-9-10-5-3-4-8-13-10/h1-8,14-15H,9H2
Chemical Name
2-(pyridin-2-ylmethylamino)phenol
Synonyms
ARN-2966; ARN 2966; ARN2966; 2-PMAP; 2 PMAP
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 : ~110 mg/mL (~549.34 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.75 mg/mL (13.73 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 27.5 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: ≥ 2.75 mg/mL (13.73 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in 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 27.5 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
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.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 4.9940 mL 24.9700 mL 49.9401 mL
5 mM 0.9988 mL 4.9940 mL 9.9880 mL
10 mM 0.4994 mL 2.4970 mL 4.9940 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)
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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

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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