TAS-114 25mg

Chemical Information
dUTPase/DPD Inhibitor TAS-114 is an orally bioavailable inhibitor of both deoxyuridine triphosphatase (dUTPase) and dihydropyrimidine dehydrogenase (DPD), with potential antineoplastic adjuvant activity. Upon oral administration in combination with a prodrug of the pyrimidine antagonist 5-fluorouracil (5-FU), TAS-114 inhibits (DPD), the liver enzyme responsible for rapid catabolism of 5-FU into inactive metabolites. This prevents first-pass metabolism of 5-FU, allowing oral administration of the 5-FU prodrug and increasing the efficacy of 5-FU. In addition, as a dUTPase inhibitor, TAS-114 enhances the antitumor activity of 5-FU by preventing the hydrolysis and breakdown of 5-fluoro-deoxyuridine triphosphate (FdUTP) and deoxyuridine triphosphate (dUTP), which are active metabolites of 5-FU. This promotes DNA polymerase-dependent incorporation of these antimetabolites into DNA and leads to DNA damage and tumor cell death. Co-administration with TAS-114 allows lower dosing of 5-FU prodrugs, which decreases 5-FU-related toxicity, while maintaining therapeutic levels of 5-FU at the tumor site.
| CAS Number | 1198221-21-4 |
| PubChem CID | 53630253 |
| IUPAC Name | N-[(1R)-1-(3-cyclopentyloxyphenyl)ethyl]-3-[(2,4-dioxopyrimidin-1-yl)methoxy]propane-1-sulfonamide |
| Molecular Formula | C21H29N3O6S |
| Molecular Weight | 451.5 |
| XLogP | 1.8 |
| Topological Polar Surface Area | 122 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 11 |
| Heavy Atom Count | 31 |
| Formal Charge | 0 |
| Complexity | 745 |
| Property | Value |
|---|---|
| Molecular Weight | 451.5 |
| XLogP3 | 1.8 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 11 |
| Exact Mass | 451.17770683 |
| Monoisotopic Mass | 451.17770683 |
| Topological Polar Surface Area | 122 Ų |
| Heavy Atom Count | 31 |
| Formal Charge | 0 |
| Complexity | 745 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 1 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
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