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Purity: ≥98%
NVP-TNKS656 (also called TNKS-656; NVP-TNKS-656; TNKS 656; NVP-TNKS 656) is a selective, and orally bioactive tankyrase inhibitor with potential antitumor activity. It blocks tankyrase/TNKS2 with an IC50 of 6 nM, and shows > 300-fold selectivity against PARP1 and PARP2.
| Targets |
TNKS2 ( IC50 = 6 nM ); PARP2 ( IC50 = 32 μM )
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| Enzyme Assay |
Nicotinamide is detected by quantitative liquid chromatography/mass spectrometry (LC-MS), which is used to track PARP catalytic activity. 384-well Greiner flat-bottom plates are used for the autoPARsylation reactions, which are carried out at room temperature. The final reaction mixture contains 2.5% DMSO and inhibitors with concentrations ranging from 0.0001 to 18.75 μM. The enzymes PARP1, PARP2, GST-TNKS2P, and GST-TNKS1P are utilized at final concentrations of 5, 5, 5, and 2 nM, respectively. Quantitative liquid chromatography/mass spectrometry (LC-MS), which monitors PARP catalytic activity, is used to identify nicotinamide. 384-well Greiner flat-bottom plates are used for the autoPARsylation reactions, which are carried out at room temperature. The final reaction mixture contains 2.5% DMSO and inhibitors with concentrations ranging from 0.0001 to 18.75 μM. Final concentrations of 5, 5, 5, and 2 nM are used for the enzymes PARP1, PARP2, GST-TNKS2P, and GST-TNKS1P, respectively.
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| References |
| Molecular Formula |
C27H34N4O5
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| Molecular Weight |
494.58
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| Exact Mass |
494.25
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| Elemental Analysis |
C, 65.57; H, 6.93; N, 11.33; O, 16.17
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| CAS # |
1419949-20-4
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| Appearance |
solid powder
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| SMILES |
COC1=CC=C(C=C1)C(=O)C2CCN(CC2)CC(=O)N(CC3CC3)CC4=NC5=C(COCC5)C(=O)N4
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| InChi Key |
DYGBNAYFDZEYBA-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C27H34N4O5/c1-35-21-6-4-19(5-7-21)26(33)20-8-11-30(12-9-20)16-25(32)31(14-18-2-3-18)15-24-28-23-10-13-36-17-22(23)27(34)29-24/h4-7,18,20H,2-3,8-17H2,1H3,(H,28,29,34)
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| Chemical Name |
N-(cyclopropylmethyl)-2-[4-(4-methoxybenzoyl)piperidin-1-yl]-N-[(4-oxo-3,5,7,8-tetrahydropyrano[4,3-d]pyrimidin-2-yl)methyl]acetamide
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| Synonyms |
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
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| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
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| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.5 mg/mL (5.05 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 (5.05 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in 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 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. View More
Solubility in Formulation 3: ≥ 2.5 mg/mL (5.05 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution. Solubility in Formulation 4: 5%DMSO+ 40%PEG300+ 5%Tween 80+ 50%ddH2O: 5.0mg/ml (10.11mM) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 2.0219 mL | 10.1096 mL | 20.2192 mL | |
| 5 mM | 0.4044 mL | 2.0219 mL | 4.0438 mL | |
| 10 mM | 0.2022 mL | 1.0110 mL | 2.0219 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.
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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