1. Neuronal Signaling
  2. Amyloid-β
  3. K 01-162

K 01-162 (K162) inhibits the fibril formation of Aβ peptides and eliminates their neurotoxicity. K 01-162 binds with Aβ42 peptide with an EC50 value of 80 nM. K 01-162 binds directly to AβO with a KD value of 19 μM. K 01-162 is capable of penetrating the brain and can be used for the research of Alzheimer’s disease.

For research use only. We do not sell to patients.

K 01-162 Chemical Structure

K 01-162 Chemical Structure

CAS No. : 677746-25-7

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Solid + Solvent
10 mM * 1 mL in DMSO
ready for reconstitution
USD 330 In-stock
Solution
10 mM * 1 mL in DMSO USD 330 In-stock
Solid
5 mg USD 300 In-stock
10 mg USD 480 In-stock
25 mg USD 950 In-stock
50 mg USD 1450 In-stock
100 mg USD 2250 In-stock
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Based on 1 publication(s) in Google Scholar

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Description

K 01-162 (K162) inhibits the fibril formation of Aβ peptides and eliminates their neurotoxicity. K 01-162 binds with Aβ42 peptide with an EC50 value of 80 nM. K 01-162 binds directly to AβO with a KD value of 19 μM. K 01-162 is capable of penetrating the brain and can be used for the research of Alzheimer’s disease[1][2].

In Vitro

K 01-162 (1 μM; 24 h) reduces the level of intracellular AβO[2].
K 01-162 (0.78-50 μM; 5 min) blocks the synaptic binding activity of AβO in mouse hippocampal neurons[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Western Blot Analysis[2]

Cell Line: MC65 cell line
Concentration: 1 μM
Incubation Time: 24 hours
Result: Reduced the levels of SDS-stable Aβ trimer and larger aggregates.
In Vivo

K 01-162 (100 μM; intracerebroventricular infusion 0.25 μL/h for 2 weeks) attenuates amyloid load in vivo[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: 5xFAD mice with cerebral Aβ amyloidosis[2]
Dosage: 100 μM
Administration: Intracerebroventricular infusion; 100 μM 0.25 μL/h; for 2 weeks
Result: Caused no apparent toxicity and significantly reduced the amyloid load in hippocampus to 50% of the mock-treated level.
Molecular Weight

288.18

Formula

C15H14BrN

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

BrC1=CC(CC2=C3C=CC(N(C)C)=C2)=C3C=C1

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

DMSO : 14.29 mg/mL (49.59 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.4701 mL 17.3503 mL 34.7005 mL
5 mM 0.6940 mL 3.4701 mL 6.9401 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
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Concentration
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Volume
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Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: 1.43 mg/mL (4.96 mM); Suspended solution; Need ultrasonic

    This protocol yields a suspended solution of 1.43 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (14.3 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 1.43 mg/mL (4.96 mM); Clear solution

    This protocol yields a clear solution of ≥ 1.43 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (14.3 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 3.4701 mL 17.3503 mL 34.7005 mL 86.7513 mL
5 mM 0.6940 mL 3.4701 mL 6.9401 mL 17.3503 mL
10 mM 0.3470 mL 1.7350 mL 3.4701 mL 8.6751 mL
15 mM 0.2313 mL 1.1567 mL 2.3134 mL 5.7834 mL
20 mM 0.1735 mL 0.8675 mL 1.7350 mL 4.3376 mL
25 mM 0.1388 mL 0.6940 mL 1.3880 mL 3.4701 mL
30 mM 0.1157 mL 0.5783 mL 1.1567 mL 2.8917 mL
40 mM 0.0868 mL 0.4338 mL 0.8675 mL 2.1688 mL
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K 01-162 Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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K 01-162
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