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AChE-IN-23

Cat No.:V43344 Purity: ≥98%
AChE-IN-23 (compound 3h) is an acetylcholinesterase (AChE) inhibitor (antagonist) with IC50 of 48.3 μM.
AChE-IN-23
AChE-IN-23 Chemical Structure CAS No.: 6297-14-9
Product category: New3
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
AChE-IN-23 (compound 3h) is an acetylcholinesterase (AChE) inhibitor (antagonist) with IC50 of 48.3 μM.
AChE-IN-23 is a small molecule inhibitor of acetylcholinesterase (AChE). It has the molecular formula C11H20Cl2N2O and a molecular weight of 267.20 g/mol. The compound is also known as compound 3h and is being investigated for its potential in treating neurological diseases, particularly Alzheimer's disease. By inhibiting AChE, the enzyme that breaks down the neurotransmitter acetylcholine, AChE-IN-23 aims to increase acetylcholine levels in the brain. This can help improve cognitive function in conditions characterized by cholinergic deficits. The compound is intended for research use only and is not for human consumption.
Biological Activity I Assay Protocols (From Reference)
Targets
AChE-IN-23 targets acetylcholinesterase (AChE), a key enzyme in the cholinergic system that hydrolyzes the neurotransmitter acetylcholine. AChE is responsible for terminating synaptic transmission by breaking down acetylcholine into choline and acetate. By inhibiting AChE, AChE-IN-23 prevents the breakdown of acetylcholine, thereby increasing its concentration at the synapse. This mechanism is thought to enhance cholinergic neurotransmission and is a well-established therapeutic strategy for Alzheimer's disease and other dementias. The compound has an IC50 value of 48.3 μM against AChE.
ln Vitro
In vitro, AChE-IN-23 has been shown to be a potent inhibitor of acetylcholinesterase (AChE) with an IC50 value of 48.3 μM. Its inhibitory activity is measured in cell-free enzyme assays using purified AChE. The compound's ability to inhibit AChE is the basis for its potential therapeutic application in neurological diseases. By inhibiting AChE, the compound can increase acetylcholine levels, which may improve cognitive function. The compound's activity is dose-dependent, and its IC50 value is a measure of its potency.
ln Vivo
Specific in vivo activity data for AChE-IN-23 are not detailed in the available literature. However, as an AChE inhibitor, it is being developed for the treatment of neurological diseases, particularly Alzheimer's disease. Its potential in vivo effects would be to increase acetylcholine levels in the brain, thereby improving cognitive function. Further studies in animal models are needed to confirm its in vivo efficacy, pharmacokinetics, and safety. The compound is currently in the research phase.
Enzyme Assay
In vitro enzyme assays for AChE-IN-23 involve measuring the inhibition of acetylcholinesterase (AChE) activity. The enzyme is incubated with its substrate, acetylthiocholine, in a buffer solution. The hydrolysis of acetylthiocholine produces thiocholine, which reacts with 5,5'-dithiobis-(2-nitrobenzoic acid) (DTNB) to form a yellow product that can be measured spectrophotometrically at 412 nm. Varying concentrations of AChE-IN-23 are added to the reaction mixture, and the enzyme activity is measured. The IC50 value, representing the concentration required to inhibit 50% of the enzyme activity, is calculated from the dose-response curve. The compound is typically dissolved in DMSO for stock solutions and diluted in the assay buffer.
Cell Assay
In vitro cell-based assays for AChE-IN-23 are not typically performed, as the compound's primary activity is as an enzyme inhibitor. However, its effects on neuronal cells could be studied by treating cells (e.g., neuronal cell lines or primary neurons) with the compound and measuring acetylcholine levels or assessing cholinergic signaling. The compound's ability to protect against neurotoxicity or improve cognitive function could also be evaluated in relevant cell-based models. The compound is typically dissolved in DMSO and diluted in cell culture medium for treatment.
Animal Protocol
Specific in vivo animal experiment protocols for AChE-IN-23 are not detailed in the available literature. However, as a potential treatment for Alzheimer's disease, it would likely be tested in animal models of the disease, such as transgenic mice expressing amyloid precursor protein (APP) or in models of cognitive impairment. The compound could be administered orally, intraperitoneally, or by other routes. Behavioral tests (e.g., Morris water maze, novel object recognition) would be used to assess cognitive function, and biochemical markers (e.g., acetylcholine levels, amyloid plaque load) would be measured in brain tissue.
ADME/Pharmacokinetics
Pharmacokinetic (PK) properties of AChE-IN-23 have not been extensively characterized in the available literature. However, some physicochemical properties relevant to its PK can be inferred. The compound has a molecular weight of 267.20 g/mol and a formula of C11H20Cl2N2O. It is intended for research use only. The compound is typically stored as a powder at -20°C for up to 3 years or at 4°C for up to 2 years, and in solvent at -80°C for up to 6 months or at -20°C for up to 1 month.
Toxicity/Toxicokinetics
Specific toxicological data for AChE-IN-23 are not provided in the available sources. As a research chemical, its safety profile in humans has not been established. The compound is classified as a research reagent and is not for therapeutic or veterinary use. Standard laboratory safety precautions should be followed when handling this compound, including the use of appropriate personal protective equipment. Its purity is typically high (e.g., 99.49%).
References

[1]. Discovery of a potent non-oxime reactivator of nerve agent inhibited human acetylcholinesterase. Eur J Med Chem. 2018 Sep 5;157:151-160.

Additional Infomation
AChE-IN-23 is a small molecule inhibitor of acetylcholinesterase (AChE) with an IC50 of 48.3 μM. It is also known as compound 3h and has the molecular formula C11H20Cl2N2O and a molecular weight of 267.20 g/mol. The compound is being investigated for its potential in treating neurological diseases, particularly Alzheimer's disease. By inhibiting AChE, the enzyme that breaks down the neurotransmitter acetylcholine, AChE-IN-23 aims to increase acetylcholine levels in the brain. The compound is intended for research use only and is not for human consumption.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C11H19N2O+
Molecular Weight
195.28136
Exact Mass
266.095
CAS #
6297-14-9
PubChem CID
2723878
Appearance
Off-white to gray solid powder
Boiling Point
325.3ºC at 760 mmHg
Melting Point
215-218ºC (dec.)(lit.)
Flash Point
150.5ºC
LogP
4.001
Hydrogen Bond Donor Count
4
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
4
Heavy Atom Count
16
Complexity
159
Defined Atom Stereocenter Count
0
InChi Key
PLISWDVQSUTGTR-UHFFFAOYSA-N
InChi Code
InChI=1S/C11H18N2O.2ClH/c1-3-13(4-2)8-9-7-10(12)5-6-11(9)14;;/h5-7,14H,3-4,8,12H2,1-2H3;2*1H
Chemical Name
4-amino-2-(diethylaminomethyl)phenol;dihydrochloride
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 : ~100 mg/mL (~374.25 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 5.1209 mL 25.6043 mL 51.2085 mL
5 mM 1.0242 mL 5.1209 mL 10.2417 mL
10 mM 0.5121 mL 2.5604 mL 5.1209 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:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
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)
  • Click the “Calculate” button
  • 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)
  • Click the “Calculate” button
  • 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:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
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.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • 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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