4,6,7,8-Tetrahydro-2,5(1H,3H)-quinolinedione
Also known as: 1,3,4,6,7,8-hexahydroquinoline-2,5-dione, 2,5-Dioxo-1,2,3,4,5,6,7,8-octahydroquinoline, 3,4,7,8-Tetrahydroquinoline-2,5(1H,6H)-dione, 4,6,7,8-TETRAHYDRO-1H,3H-QUINOLINE-2,5-DIONE, 4,6,7,8-TETRAHYDRO-2,5(1H,3H)-QUINOLINEDIONE, Carteolol EP Impurity A, NSC 160504
4,6,7,8-Tetrahydro-2,5(1H,3H)-quinolinedione (CAS 5057-12-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11NO2 and a molecular weight of 165.18900 g/mol. Key properties include a melting point of 196-198ºC, a boiling point of 411.4ºC at 760 mmHg, a density of 1.22 g/cm3 and a flash point of 197.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5057-12-5
- Jingsj CID
- J-1430456-4
- Molecular Formula
- C9H11NO2
- Molecular Weight
- 165.18900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 196-198ºC |
|---|---|
| Boiling Point | 411.4ºC at 760 mmHg |
| Density | 1.22 g/cm3 |
| Flash Point | 197.2ºC |
| Exact Mass | 165.07900 |
| PSA | 46.17000 |
| LogP | 1.23230 |
| Refractive Index | 1.549 |
Customs & Trade Information
| HS Code | 2933499090 |
|---|---|
| Summary | 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4,6,7,8-Tetrahydro-2,5(1H,3H)-quinolinedione?
The CAS number of 4,6,7,8-Tetrahydro-2,5(1H,3H)-quinolinedione is 5057-12-5.
What are the molecular formula and molecular weight of 4,6,7,8-Tetrahydro-2,5(1H,3H)-quinolinedione?
4,6,7,8-Tetrahydro-2,5(1H,3H)-quinolinedione has molecular formula C9H11NO2 and molecular weight 165.18900 g/mol.
What are the upstream and downstream products of 4,6,7,8-Tetrahydro-2,5(1H,3H)-quinolinedione?
For 4,6,7,8-Tetrahydro-2,5(1H,3H)-quinolinedione, Upstream Products: 1,3-Cyclohexanedione, Acrylic acid, 3-Amino-2-cyclohexen-1-one; Downstream Products: 5-Hydroxyquinolin-2(1H)-one, 5-Hydroxy-3,4-dihydroquinolin-2(1H)-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,6,7,8-Tetrahydro-2,5(1H,3H)-quinolinedione (CAS 5057-12-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1430456-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.