1. PROTAC Cell Cycle/DNA Damage Apoptosis
  2. PROTACs CDK c-Myc
  3. KI-CDK9d-32

KI-CDK9d-32 is a CDK9 PROTAC degrader (DC50: 0.89 nM). KI-CDK9d-32 promotes the ubiquitination and degradation of CDK9. KI-CDK9d-32 inhibits the MYC pathway and disrupts nucleolar homeostasis. KI-CDK9d-32 has anticancer activity. (Pink: CDK9 ligand (HY-153718); Blue: E3 ligase CRBN ligand (HY-163233); Black: Linker (HY-W011657); E3 ligase CRBN ligand-linker conjugate (HY-173525)).

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

KI-CDK9d-32

KI-CDK9d-32 Chemical Structure

CAS No. : 3054009-82-1

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Based on 1 publication(s) in Google Scholar

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Description

KI-CDK9d-32 is a CDK9 PROTAC degrader (DC50: 0.89 nM). KI-CDK9d-32 promotes the ubiquitination and degradation of CDK9. KI-CDK9d-32 inhibits the MYC pathway and disrupts nucleolar homeostasis. KI-CDK9d-32 has anticancer activity. (Pink: CDK9 ligand (HY-153718); Blue: E3 ligase CRBN ligand (HY-163233); Black: Linker (HY-W011657); E3 ligase CRBN ligand-linker conjugate (HY-173525))[1].

IC50 & Target[1]

CDK9

0.89 nM (DC50)

Molecular Weight

703.83

Formula

C39H45N9O4

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C(N[C@H]1C[C@H](NC2=CC(CCC)=NC3=CC=NN23)CC1)C4=CC=C(CN5CCN(C6=CC7=C(C(N(C(CC8)C(NC8=O)=O)C7)=O)C=C6)CC5)C=C4

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (142.08 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 1.4208 mL 7.1040 mL 14.2080 mL
5 mM 0.2842 mL 1.4208 mL 2.8416 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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

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

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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)

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Volume (start)

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C2

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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: ≥ 2.5 mg/mL (3.55 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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: ≥ 2.5 mg/mL (3.55 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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:

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(per animal)

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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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 1.4208 mL 7.1040 mL 14.2080 mL 35.5199 mL
5 mM 0.2842 mL 1.4208 mL 2.8416 mL 7.1040 mL
10 mM 0.1421 mL 0.7104 mL 1.4208 mL 3.5520 mL
15 mM 0.0947 mL 0.4736 mL 0.9472 mL 2.3680 mL
20 mM 0.0710 mL 0.3552 mL 0.7104 mL 1.7760 mL
25 mM 0.0568 mL 0.2842 mL 0.5683 mL 1.4208 mL
30 mM 0.0474 mL 0.2368 mL 0.4736 mL 1.1840 mL
40 mM 0.0355 mL 0.1776 mL 0.3552 mL 0.8880 mL
50 mM 0.0284 mL 0.1421 mL 0.2842 mL 0.7104 mL
60 mM 0.0237 mL 0.1184 mL 0.2368 mL 0.5920 mL
80 mM 0.0178 mL 0.0888 mL 0.1776 mL 0.4440 mL
100 mM 0.0142 mL 0.0710 mL 0.1421 mL 0.3552 mL
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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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Product Name:
KI-CDK9d-32
Cat. No.:
HY-173523
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