Description
3-Chloro-7,8-dihydroquinolin-5(6H)-one (CAS No. 127724-75-8) is a high-purity heterocyclic organic compound with the molecular formula C9H8ClNO. This versatile chemical intermediate features a chloro-substituted dihydroquinolinone scaffold, making it a valuable building block for pharmaceutical, agrochemical, and materials science research. The compound’s IUPAC name is 3-chloro-7,8-dihydro-6H-quinolin-5-one, and it is characterized by its white to off-white crystalline powder appearance with ≥95% purity (HPLC).
Our product is rigorously tested for identity (NMR, FTIR), purity (HPLC, GC), and heavy metal content, ensuring consistency for synthetic applications. It is supplied in amber glass vials under inert atmosphere for maximum stability. Researchers value this compound for its potential in developing novel kinase inhibitors, CNS-active compounds, and functional materials. Store at 2-8°C in a dry environment.
Properties
- CAS Number: 127724-75-8
- Complexity: 195
- IUPAC Name: 3-chloro-7,8-dihydro-6H-quinolin-5-one
- InChI: InChI=1S/C9H8ClNO/c10-6-4-7-8(11-5-6)2-1-3-9(7)12/h4-5H,1-3H2
- InChI Key: RKZNIWFFGNBOLH-UHFFFAOYSA-N
- Exact Mass: 181.0294416
- Molecular Formula: C9H8ClNO
- Molecular Weight: 181.62
- SMILES: C1CC2=C(C=C(C=N2)Cl)C(=O)C1
- Topological: 30
- Monoisotopic Mass: 181.0294416
- Synonyms: 3-Chloro-7,8-dihydroquinolin-5(6H)-one, 127724-75-8, DTXSID00451230, DTXCID50402050, 5(6H)-Quinolinone, 3-chloro-7,8-dihydro-, 3-chloro-7,8-dihydro-6H-quinolin-5-one, MFCD10696330, 3-chloro-7,8-dihydro-5(6H)-quinolinone, 3-CHLORO-5,6,7,8-TETRAHYDROQUINOLIN-5-ONE, SCHEMBL7916932, RKZNIWFFGNBOLH-UHFFFAOYSA-N, AKOS005259177, AB57067, DS-11698, C72148, AU-004/43508144
Application
3-Chloro-7,8-dihydroquinolin-5(6H)-one serves as a key intermediate in medicinal chemistry for the synthesis of potential therapeutic agents targeting neurological disorders. The compound’s reactive chloro and ketone groups enable diverse functionalization for structure-activity relationship studies. Researchers utilize this building block in palladium-catalyzed cross-coupling reactions to create novel heterocyclic systems. Its structural features make it particularly valuable for developing allosteric modulators of neurotransmitter receptors.
If you are interested or have any questions, please contact us at support@atomfair.com
Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.


Reviews
There are no reviews yet.