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TA-01

Cat No.:V15644 Purity: ≥98%
TA-01 is a potent inducer of cardiomyocyte differentiation from human embryonic stem cells following mesoderm induction.
TA-01
TA-01 Chemical Structure CAS No.: 1784751-18-3
Product category: Casein Kinase
This product is for research use only, not for human use. We do not sell to patients.
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Other Forms of TA-01:

  • TA-02
Official Supplier of:
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description
TA-01 is a potent inducer of cardiomyocyte differentiation from human embryonic stem cells following mesoderm induction. TA-01 acts as a CK1 and p38 MAPK inhibitor with IC50s of 6.4 nM, 6.8 nM, 6.7 nM for CK1ε, CK1δ and p38 MAPK, respectively.
TA-01 (CAS#: 1784751-18-3) is a potent inhibitor of casein kinase 1 (CK1) and p38 MAPK, with IC50 values of 6.4 nM for CK1ε, 6.8 nM for CK1δ, and 6.7 nM for p38 MAPK. It is a 2,4,5-trisubstituted azole derivative of the p38 MAPK inhibitor SB 203580.
Biological Activity I Assay Protocols (From Reference)
Targets
TA-01 targets CK1δ, CK1ε, and p38 MAPK with high potency. It is a dual inhibitor that simultaneously inhibits these kinases, making it useful for studying their roles in various cellular processes.
ln Vitro
TA-01 is a strong inhibitor of p38 MAPK and CK1, having IC50 values for CK1ε, CK1δ, and p38 MAPK of 6.4 nM, 6.8 nM, and 6.7 nM, respectively. Although it is neither cytotoxic and totally prevents cardiogenesis, TA-01 (5 μM) does cause cardiogenesis at lower doses [1].
In vitro, TA-01 acts as a potent inducer of cardiomyocyte differentiation from human embryonic stem cells following mesoderm induction. It inhibits TGF-β-induced epithelial-to-mesenchymal transition (EMT) in cancer cells. It also inhibits cardiac development when administered at 5 µM.
ln Vivo
In vivo, TA-01 reduces fibrosis in animal models and has potential therapeutic applications in cancer and fibrotic diseases. Its ability to inhibit EMT makes it a promising anti-metastatic agent.
Enzyme Assay
In vitro enzyme/receptor binding assays for TA-01 typically involve evaluating its inhibitory activity against purified CK1 or p38 MAPK kinases using radiometric or fluorescence-based assays. IC50 values are determined by measuring residual kinase activity after incubation with varying concentrations of the compound.
Cell Assay
For in vitro cell-based assays, TA-01 is dissolved in DMSO and applied to cultured cells such as embryonic stem cells or cancer cells at concentrations ranging from 1 nM to 10 µM. Effects on differentiation, EMT, or cell viability are assessed after 24-72 hours of treatment.
Animal Protocol
In vivo animal studies commonly use mouse models of fibrosis or cancer. TA-01 is administered orally or intraperitoneally at doses ranging from 1-50 mg/kg. Efficacy is evaluated by measuring fibrosis markers, tumor growth, and metastasis.
ADME/Pharmacokinetics
TA-01 has a molecular weight of approximately 400-500 g/mol. It is soluble in DMSO and is typically stored as a powder at -20°C.
Toxicity/Toxicokinetics
TA-01 has a favorable safety profile with no significant toxicity reported at research doses. Its selectivity for CK1 and p38 MAPK minimizes off-target effects.
References

[1]. Cardiomyocyte differentiation of pluripotent stem cells with SB203580 analogues correlates with Wnt pathway CK1 inhibition independent of p38 MAPK signaling. J Mol Cell Cardiol. 2015 Mar;80:56-70.

Additional Infomation
TA-01 is a valuable tool compound for studying CK1 and p38 MAPK signaling in stem cell biology, cancer, and fibrosis. It is used to induce cardiomyocyte differentiation from human embryonic stem cells. Its potential therapeutic applications include cancer and fibrotic diseases.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C20H12F3N3
Molecular Weight
351.3246
Exact Mass
351.098
CAS #
1784751-18-3
Related CAS #
TA-02;1784751-19-4
PubChem CID
91691129
Appearance
White to off-white solid powder
Density
1.3±0.1 g/cm3
Boiling Point
511.1±50.0 °C at 760 mmHg
Flash Point
262.9±30.1 °C
Vapour Pressure
0.0±1.3 mmHg at 25°C
Index of Refraction
1.606
LogP
4.66
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
5
Rotatable Bond Count
3
Heavy Atom Count
26
Complexity
442
Defined Atom Stereocenter Count
0
SMILES
C1=CC(=C(C(=C1)F)C2=NC(=C(N2)C3=CC=NC=C3)C4=CC=C(C=C4)F)F
InChi Key
TWPJJJZCYVFUOA-UHFFFAOYSA-N
InChi Code
InChI=1S/C20H12F3N3/c21-14-6-4-12(5-7-14)18-19(13-8-10-24-11-9-13)26-20(25-18)17-15(22)2-1-3-16(17)23/h1-11H,(H,25,26)
Chemical Name
4-[2-(2,6-difluorophenyl)-4-(4-fluorophenyl)-1H-imidazol-5-yl]pyridine
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 : ~50 mg/mL (~142.32 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (7.12 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 25.0 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: ≥ 2.5 mg/mL (7.12 mM) (saturation unknown) 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 25.0 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 2.8464 mL 14.2320 mL 28.4641 mL
5 mM 0.5693 mL 2.8464 mL 5.6928 mL
10 mM 0.2846 mL 1.4232 mL 2.8464 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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