![Molecular structure of (8R,9S)-5-fluoro-8-(4-fluorophenyl)-2,7,8,9-tetrahydro-9-(1-methyl-1H-1,2,4-triazol-5-yl)-3H-pyrido[4,3,2-de]phthalazin-3-one (CAS 1207456-00-5)](/images/chem_structures_svg/284/1207456-00-5.svg)
(8R,9S)-5-fluoro-8-(4-fluorophenyl)-2,7,8,9-tetrahydro-9-(1-methyl-1H-1,2,4-triazol-5-yl)-3H-pyrido[4,3,2-de]phthalazin-3-one
Also known as: BMN-673 (8R,9S), BMN 673 (8R,9S), BMN673 (8R,9S), (8R,9S)-BMN-673, CS-1223, (8R,9S)-5-fluoro-8-(4-fluorophenyl)-9-(1-methyl-1H-1,2,4-triazol-5-yl)-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one, 3H-Pyrido[4,3,2-de]phthalazin-3-one, 5-fluoro-8-(4-fluorophenyl)-2,7,8,9-tetrahydro-9-(1-methyl-1H-1,2,4-triazol-5-yl)-, (8R,9S)-
(8R,9S)-5-fluoro-8-(4-fluorophenyl)-2,7,8,9-tetrahydro-9-(1-methyl-1H-1,2,4-triazol-5-yl)-3H-pyrido[4,3,2-de]phthalazin-3-one (CAS 1207456-00-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C19H14F2N6O and a molecular weight of 380.35100 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1207456-00-5
- Jingsj CID
- J-1983018-3
- Molecular Formula
- C19H14F2N6O
- Molecular Weight
- 380.35100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Exact Mass | 380.12000 |
|---|---|
| PSA | 91.98000 |
| LogP | 1.89830 |
Activity & Biological Data
| Target | PARP-1:144 nM (IC50) |
|---|---|
| Additional Information | [1]. Wang B, et al. Discovery and Characterization of (8S,9R)-5-Fluoro-8-(4-fluorophenyl)-9-(1-methyl-1H-1,2,4-triazol-5-yl)-2,7,8,9-tetrahydro-3H-pyrido[4,3,2-de]phthalazin-3-one (BMN 673, Talazoparib), a Novel, Highly Potent, and Orally Efficacious Poly(ADP- |
Frequently Asked Questions
What is the CAS number of (8R,9S)-5-fluoro-8-(4-fluorophenyl)-2,7,8,9-tetrahydro-9-(1-methyl-1H-1,2,4-triazol-5-yl)-3H-pyrido[4,3,2-de]phthalazin-3-one?
The CAS number of (8R,9S)-5-fluoro-8-(4-fluorophenyl)-2,7,8,9-tetrahydro-9-(1-methyl-1H-1,2,4-triazol-5-yl)-3H-pyrido[4,3,2-de]phthalazin-3-one is 1207456-00-5.
What are the molecular formula and molecular weight of (8R,9S)-5-fluoro-8-(4-fluorophenyl)-2,7,8,9-tetrahydro-9-(1-methyl-1H-1,2,4-triazol-5-yl)-3H-pyrido[4,3,2-de]phthalazin-3-one?
(8R,9S)-5-fluoro-8-(4-fluorophenyl)-2,7,8,9-tetrahydro-9-(1-methyl-1H-1,2,4-triazol-5-yl)-3H-pyrido[4,3,2-de]phthalazin-3-one has molecular formula C19H14F2N6O and molecular weight 380.35100 g/mol.
What are the upstream and downstream products of (8R,9S)-5-fluoro-8-(4-fluorophenyl)-2,7,8,9-tetrahydro-9-(1-methyl-1H-1,2,4-triazol-5-yl)-3H-pyrido[4,3,2-de]phthalazin-3-one?
For (8R,9S)-5-fluoro-8-(4-fluorophenyl)-2,7,8,9-tetrahydro-9-(1-methyl-1H-1,2,4-triazol-5-yl)-3H-pyrido[4,3,2-de]phthalazin-3-one, Upstream Products: Talazoparib, 6-Fluoro-4-nitro-3H-isobenzofuran-1-one, 4-Fluorobenzaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(8R,9S)-5-fluoro-8-(4-fluorophenyl)-2,7,8,9-tetrahydro-9-(1-methyl-1H-1,2,4-triazol-5-yl)-3H-pyrido[4,3,2-de]phthalazin-3-one (CAS 1207456-00-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1983018-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.