Niraparib tosylate monohyrate

Chemical Information
Niraparib Tosylate Monohydrate is an orally bioavailable, hydrated, tosylate salt form of niraparib, an inhibitor of poly (ADP-ribose) polymerase (PARP) types 1 and 2 (PARP-1 and -2), with antineoplastic activity. Upon administration, niraparib binds to and inhibits the activity of PARP-1 and -2, thereby inhibiting PARP-1 and -2-mediated DNA repair, enhancing the accumulation of DNA strand breaks, promoting genomic instability and resulting in apoptosis. The PARP family of proteins catalyzes post-translational ADP-ribosylation of nuclear proteins and is activated by single-strand DNA (ssDNA) breaks.
| CAS Number | 1613220-15-7 |
| PubChem CID | 74763937 |
| IUPAC Name | 4-methylbenzenesulfonic acid;2-[4-[(3S)-piperidin-3-yl]phenyl]indazole-7-carboxamide;hydrate |
| Molecular Formula | C26H30N4O5S |
| Molecular Weight | 510.6 |
| Topological Polar Surface Area | 137 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 4 |
| Heavy Atom Count | 36 |
| Formal Charge | 0 |
| Complexity | 655 |
| Property | Value |
|---|---|
| Molecular Weight | 510.6 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 4 |
| Exact Mass | 510.19369124 |
| Monoisotopic Mass | 510.19369124 |
| Topological Polar Surface Area | 137 Ų |
| Heavy Atom Count | 36 |
| Formal Charge | 0 |
| Complexity | 655 |
| 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 | 3 |
| Compound Is Canonicalized | Yes |
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