1. Cell Cycle/DNA Damage
  2. CDK
  3. Voruciclib hydrochloride

Voruciclib hydrochloride is an orally active and selective CDK inhibitor with Ki values of 0.626 nM-9.1 nM. Voruciclib hydrochloride potently blocks CDK9, the transcriptional regulator of MCL-1. Voruciclib hydrochloride represses expression of MCL-1 in multiple models of diffuse large B-cell lymphoma (DLBCL).

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Voruciclib hydrochloride Chemical Structure

Voruciclib hydrochloride Chemical Structure

CAS No. : 1000023-05-1

Size Price Stock Quantity
Solid + Solvent
10 mM * 1 mL in DMSO
ready for reconstitution
USD 390 In-stock
Solution
10 mM * 1 mL in DMSO USD 390 In-stock
Solid
5 mg USD 350 In-stock
10 mg USD 550 In-stock
50 mg USD 1650 In-stock
100 mg USD 2250 In-stock
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Based on 1 publication(s) in Google Scholar

Other Forms of Voruciclib hydrochloride:

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  • Purity & Documentation

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Description

Voruciclib hydrochloride is an orally active and selective CDK inhibitor with Ki values of 0.626 nM-9.1 nM. Voruciclib hydrochloride potently blocks CDK9, the transcriptional regulator of MCL-1. Voruciclib hydrochloride represses expression of MCL-1 in multiple models of diffuse large B-cell lymphoma (DLBCL)[1].

IC50 & Target[1]

CDK9/CycT1

1.68 nM (Ki)

CDK9/cyc T2

0.626 nM (Ki)

CDK6/cycD1

2.92 nM (Ki)

CDK4/Cyc D1

3.96 nM (Ki)

CDK1/cycB

5.4 nM (Ki)

CDK1/cyc A

9.1 nM (Ki)

In Vitro

Voruciclib hydrochloride (0.5-5 µM; 6 hours) shows targeted downregulation of MCL-1 in both ABC and GCB subtypes[1].
Ki values for each target such as CDK9/cyc T2, CDK9/cyc T1, CDK6/cyc D1, CDK4/cyc D1, CDK1/cyc B, and CDK1/cyc A for Voruciclib hydrochloride are 0.626 nM, 1.68 nM, 2.92 nM, 3.96 nM, 5.4 nM, 9.1 nM, respectively[1].

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

Western Blot Analysis[1]

Cell Line: U2932, RIVA, OCI-LY10 cells (ABC subtype), NU-DHL-1, SU-DHL-4, SU-DHL-6 cells (GCB subtype)
Concentration: 0.5 µM, 1 µM, 2 µM, 3 µM, 4 µM, 5 µM
Incubation Time: 6 hours
Result: Showed targeted downregulation of MCL-1 in both ABC and GCB subtypes.
In Vivo

Combination of Voruciclib hydrochloride (200 mpk; Oral gavage) and Venetoclax (10 mpk, 1 mpk, 50 mpk, 25 mpk in U2932, RIVA, SU-DHL-4 and NU-DHL-1, respectively) leads to enhance tumor growth inhibition compared to either drug alone in U2932, RIVA, SU-DHL-4 (six days per week for 4 weeks), and NU-DHL-1 models (five days per week for 3 weeks) of DLBCL[1].

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

Animal Model: ABC subtypes (U2932, RIVA, OCI-LY10), GCB subtypes (SU-DHL-4, NU-DHL-1) xenografted in Female NOD.CB17-Prkdcscid/NCrHsd mice[1]
Dosage: 200 mpk
Administration: Oral gavage; U2932, RIVA, SU-DHL-4 (six days per week for 4 weeks), OCI-LY10 (six days per week for 2 weeks), NU-DHL-1 (five days per week for 3 weeks)
Result: Enhanced tumor growth inhibition in U2932, RIVA, SU-DHL-4 and NU-DHL-1 models except in OCI-LY10 model.
Clinical Trial
Molecular Weight

506.30

Formula

C22H20Cl2F3NO5

CAS No.
Appearance

Solid

Color

Light yellow to yellow

SMILES

Cl[H].O=C1C=C(C2=CC=C(C(F)(F)F)C=C2Cl)OC3=C([C@H]4[C@H](CO)N(C)CC4)C(O)=CC(O)=C13

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

4°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

Solvent & Solubility
In Vitro: 

DMSO : ≥ 250 mg/mL (493.78 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.9751 mL 9.8756 mL 19.7511 mL
5 mM 0.3950 mL 1.9751 mL 3.9502 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 (sealed storage, away from moisture). 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)

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

This equation is commonly abbreviated as: C1V1 = C2V2

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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: ≥ 2.08 mg/mL (4.11 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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: ≥ 2.08 mg/mL (4.11 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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).

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

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 (sealed storage, away from moisture). 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 1.9751 mL 9.8756 mL 19.7511 mL 49.3778 mL
5 mM 0.3950 mL 1.9751 mL 3.9502 mL 9.8756 mL
10 mM 0.1975 mL 0.9876 mL 1.9751 mL 4.9378 mL
15 mM 0.1317 mL 0.6584 mL 1.3167 mL 3.2919 mL
20 mM 0.0988 mL 0.4938 mL 0.9876 mL 2.4689 mL
25 mM 0.0790 mL 0.3950 mL 0.7900 mL 1.9751 mL
30 mM 0.0658 mL 0.3292 mL 0.6584 mL 1.6459 mL
40 mM 0.0494 mL 0.2469 mL 0.4938 mL 1.2344 mL
50 mM 0.0395 mL 0.1975 mL 0.3950 mL 0.9876 mL
60 mM 0.0329 mL 0.1646 mL 0.3292 mL 0.8230 mL
80 mM 0.0247 mL 0.1234 mL 0.2469 mL 0.6172 mL
100 mM 0.0198 mL 0.0988 mL 0.1975 mL 0.4938 mL
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Voruciclib hydrochloride Related Classifications

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  • 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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