![Molecular structure of 2,3-Dihydro-1H-cyclopenta[b]quinoline (CAS 5661-06-3)](/images/chem_structures_svg/221/5661-06-3.svg)
2,3-Dihydro-1H-cyclopenta[b]quinoline
Also known as: 1H-Cyclopenta[b]quinoline, 2,3-dihydro-, 2,3-dihydro-1H-cyclopenta[b]quinoline, 2,3-Dihydro-1H-cyclopenta(b)quinoline
2,3-Dihydro-1H-cyclopenta[b]quinoline (CAS 5661-06-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H11N and a molecular weight of 169.222 g/mol. Key properties include a boiling point of 315.1±11.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 136.9±11.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5661-06-3
- Jingsj CID
- J-1117231-9
- Molecular Formula
- C12H11N
- Molecular Weight
- 169.222 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 315.1±11.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 136.9±11.9 °C |
| Exact Mass | 169.089142 |
| PSA | 12.89000 |
| LogP | 3.20 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.668 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 2,3-Dihydro-1H-cyclopenta[b]quinoline?
The CAS number of 2,3-Dihydro-1H-cyclopenta[b]quinoline is 5661-06-3.
What are the molecular formula and molecular weight of 2,3-Dihydro-1H-cyclopenta[b]quinoline?
2,3-Dihydro-1H-cyclopenta[b]quinoline has molecular formula C12H11N and molecular weight 169.222 g/mol.
What are the upstream and downstream products of 2,3-Dihydro-1H-cyclopenta[b]quinoline?
For 2,3-Dihydro-1H-cyclopenta[b]quinoline, Upstream Products: 2-Aminobenzyl alcohol, Cyclopentanol, 5-cyano-1-pentyne.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Dihydro-1H-cyclopenta[b]quinoline (CAS 5661-06-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1117231-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.