Enpp-1-IN-20 

Enpp-1-IN-20 (Compound 31) is an ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1) inhibitor, with an IC₅₀ of 0.09 nM. Enpp-1-IN-20 has strongest inhibitory activity in the cell-based assay, with an IC₅₀ of 8.8 nM. Enpp-1-IN-20 has significant potency in both ENPP1 inhibition and STING pathway stimulation in vitro. Enpp-1-IN-20 can be used for the research of cancer^[1].

0.09 nM (ENPP1), 5 nM (ENPP3)^[1]

336.28

C₁₄H₁₇N₄O₄P

3029600-37-8

Solid

Light yellow to yellow

O=C1NC(N=CN=C2N3C[C@@]4([C@]([H])(C3)[C@H]4CCP(O)(O)=O)[H])=C2C=C1

Room temperature in continental US; may vary elsewhere.

* 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. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

• [1]. Sun Y, et al. Discovery of Pyrido[2,3-d]pyrimidin-7-one Derivatives as Highly Potent and Efficacious Ectonucleotide Pyrophosphatase/Phosphodiesterase 1 (ENPP1) Inhibitors for Cancer Treatment. J Med Chem. 2024 Feb 22.  [Content Brief]