WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 406296

CAS#: 1419949-20-4

Description: NVP-TNKS656, also known as TNKS656, is a potent and orally active Tankyrase Inhibitor. With an enthalpy-driven thermodynamic signature of binding, highly favorable physicochemical properties, and high lipophilic efficiency, NVP-TNKS656 is well suited for further in vivo validation studies. Bioactivity of TNKS656: TNKS2 IC50 = 6nM, LiPE = 7.0, HEK298 STF IC50 = 3.5nM, Cmax/ Cellular IC50 = 23,000

Chemical Structure

CAS# 1419949-20-4

Theoretical Analysis

MedKoo Cat#: 406296
Name: TNKS656
CAS#: 1419949-20-4
Chemical Formula: C27H34N4O5
Exact Mass: 494.25292
Molecular Weight: 494.58
Elemental Analysis: C, 65.57; H, 6.93; N, 11.33; O, 16.17

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Pricing updated 2021-02-25. Prices are subject to change without notice.

TNKS656 is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to to inquire quote.

Synonym: NVPTNKS656; TNKS656; TNKS656.

IUPAC/Chemical Name: N-(cyclopropylmethyl)-2-(4-(4-methoxybenzoyl)piperidin-1-yl)-N-((4-oxo-4,5,7,8-tetrahydro-3H-pyrano[4,3-d]pyrimidin-2-yl)methyl)acetamide


solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO, not in water

Shelf Life:
>2 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code:

Handling Instructions:

Preparing Stock Solutions

The following data is based on the product molecular weight 494.58 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Shultz MD, Cheung AK, Kirby CA, Firestone B, Fan J, Chen CH, Chen Z, Chin DN,  Dipietro L, Fazal A, Feng Y, Fortin PD, Gould T, Lagu B, Lei H, Lenoir F, Majumdar D, Ochala E, Palermo MG, Pham L, Pu M, Smith T, Stams T, Tomlinson RC, Touré BB, Visser M, Wang RM, Waters NJ, Shao W. Identification of NVP-TNKS656: The Use of Structure-Efficiency Relationships To Generate a Highly Potent, Selective, and Orally Active Tankyrase Inhibitor. J Med Chem. 2013 Aug 22;56(16):6495-511. doi: 10.1021/jm400807n. Epub 2013 Aug 13. PubMed PMID: 23844574


10mg / Not available

Additional Information

  Bioacitivity of TNKS656
 Data  was copied from J Med Chem. 2013 Aug 22;56(16):6495-511.
 Data  was copied from