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CC-671

Alias: CC671; CC 671; CC-671
Cat No.:V17707 Purity: ≥98%
CC-671 is a dual TTK protein kinase/CDC2-like kinase (CLK2) inhibitor (antagonist) with IC50s of 0.005 and 0.006 μM for TTK and CLK2, respectively.
CC-671
CC-671 Chemical Structure CAS No.: 1618658-88-0
Product category: CDK
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
CC-671 is a dual TTK protein kinase/CDC2-like kinase (CLK2) inhibitor (antagonist) with IC50s of 0.005 and 0.006 μM for TTK and CLK2, respectively.
Biological Activity I Assay Protocols (From Reference)
Targets
CLK2 (IC50 = 0.006 μM)
ln Vitro
CC-671 (compound 23) is a dual inhibitor of TTK protein kinase and CDC2-like kinase (CLK2), with IC50 values for TTK and CLK2 of 0.005 and 0.006 μM, respectively. Only four kinases—CLK2, CAMKK2, PIP4K22, and JNK—show cellular binding of 75% or more in HCT-116 cell lysates treated with CC-671 at 3 μM for 1 hour[1].
ln Vivo
CC-671 (compound 23) exhibits a noteworthy 71% tumor growth inhibition (TGI) (vehicle-treated/vehicle) ×100%) at doses of 10 and 20 mg/kg when administered on a once-every-three-day (q3d) basis. Body weight loss (BWL) was greater in the group treated with CC-671 (20 mg/kg) than in the group treated with 10 mg/kg (17% vs. 5%)[1].
Enzyme Assay
Compound 23 (CC-671) kinase selectivity profile is evaluated. The CC-671 concentration is maintained at 3 μM throughout the screen. Kinase binding assays are used to quantify the TTK binding affinity. The ATP-competitive kinase inhibitor scaffold, which is proprietary and labeled with Alexa Fluor 647, is the basis for the kinase binding assays[1].
Animal Protocol
Subcutaneous injection of 5×106 Cal-51 cells is administered to female SCID mice. Randomized mice bearing 125 mm3 tumors are administered CC-671 (compound 23) intravenously at different intervals and doses (n=8–10/group). For the course of the investigation, tumors are measured twice a week. Tumor volumes are computed by measuring each tumor's long and short axes in millimeters with a digital caliper[1].
References

[1]. The Discovery of a Dual TTK Protein Kinase/CDC2-Like Kinase (CLK2) Inhibitor for the Treatmentof Triple Negative Breast Cancer Initiated from a Phenotypic Screen. J Med Chem. 2017 Nov 9;60(21):8989-9002.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C28H28N6O4
Molecular Weight
512.57
Exact Mass
512.2172
Elemental Analysis
C, 65.61; H, 5.51; N, 16.40; O, 12.49
CAS #
1618658-88-0
Related CAS #
1618658-88-0
Appearance
Solid powder
SMILES
CC1=NC2=C(O1)C=C(C=C2)C3=CNC4=C3C(=NC(=N4)NC5=C(C=C(C=C5)C(=O)NC)OC)OC6CCCC6
InChi Key
CWJLAVRXVFHDSJ-UHFFFAOYSA-N
InChi Code
InChI=1S/C28H28N6O4/c1-15-31-21-10-8-16(12-23(21)37-15)19-14-30-25-24(19)27(38-18-6-4-5-7-18)34-28(33-25)32-20-11-9-17(26(35)29-2)13-22(20)36-3/h8-14,18H,4-7H2,1-3H3,(H,29,35)(H2,30,32,33,34)
Chemical Name
4-[[4-cyclopentyloxy-5-(2-methyl-1,3-benzoxazol-6-yl)-7H-pyrrolo[2,3-d]pyrimidin-2-yl]amino]-3-methoxy-N-methylbenzamide
Synonyms
CC671; CC 671; CC-671
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: ≥ 60 mg/mL (~117.1 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (4.06 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 20.8 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: 2.08 mg/mL (4.06 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 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.

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Solubility in Formulation 3: 2.08 mg/mL (4.06 mM) in 10% DMSO + 90% Corn Oil (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 20.8 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.9510 mL 9.7548 mL 19.5095 mL
5 mM 0.3902 mL 1.9510 mL 3.9019 mL
10 mM 0.1951 mL 0.9755 mL 1.9510 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.

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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?
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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:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
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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
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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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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