AZD-9574

Chemical Information
Palacaparib is an orally bioavailable central nervous system (CNS) penetrant and inhibitor of nuclear enzyme poly(ADP-ribose) polymerase (PARP) 1, with potential antineoplastic activity. Upon oral administration, palacaparib selectively binds to PARP1, thereby preventing repair of damaged DNA via the base excision repair (BER) pathway. This agent enhances the accumulation of DNA strand breaks and promotes genomic instability eventually leading to apoptosis. Palacaparib may enhance the cytotoxicity of DNA-damaging agents and reverse tumor cell chemo- and radioresistance. PARP1 catalyzes post-translational ADP-ribosylation of nuclear proteins that signal and recruit other proteins to repair damaged DNA and plays a key role in the repair of single strand DNA (ssDNA) breaks and double-strand break (DSBs). Palacaparib is able to penetrate the blood-brain barrier (BBB).
| CAS Number | 2756333-39-6 |
| PubChem CID | 162524593 |
| IUPAC Name | 6-fluoro-5-[4-[(5-fluoro-2-methyl-3-oxo-4H-quinoxalin-6-yl)methyl]piperazin-1-yl]-N-methylpyridine-2-carboxamide |
| Molecular Formula | C21H22F2N6O2 |
| Molecular Weight | 428.4 |
| XLogP | 1.2 |
| Topological Polar Surface Area | 89.9 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 4 |
| Heavy Atom Count | 31 |
| Formal Charge | 0 |
| Complexity | 714 |
| Property | Value |
|---|---|
| Molecular Weight | 428.4 |
| XLogP3 | 1.2 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 4 |
| Exact Mass | 428.17723029 |
| Monoisotopic Mass | 428.17723029 |
| Topological Polar Surface Area | 89.9 Ų |
| Heavy Atom Count | 31 |
| Formal Charge | 0 |
| Complexity | 714 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| 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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