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8-Quinolinol, N-oxide

Also known as: 8-Hydroxyquinoline N-oxide, 8-Hydroxyquinoline-N-oxide, 8-Quinolinol 1-oxide, 1-Oxidoquinolin-1-ium-8-ol, Quinolin-8-ol 1-oxide, NSC 21656, o-Hydroxyquinoline N-oxide

8-Quinolinol, N-oxide (CAS 1127-45-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NO2 and a molecular weight of 161.157 g/mol. Key properties include a melting point of 71-73 °C(lit.), a boiling point of 382.6±34.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 185.2±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1127-45-3
Jingsj CID
J-4536-3
Molecular Formula
C9H7NO2
Molecular Weight
161.157 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point71-73 °C(lit.)
Boiling Point382.6±34.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point185.2±25.7 °C
Exact Mass161.047684
PSA45.69000
LogP-0.31
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.628

Customs & Trade Information

HS Code2933499090
Summary2933499090. 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 8-Quinolinol, N-oxide?

The CAS number of 8-Quinolinol, N-oxide is 1127-45-3.

What are the molecular formula and molecular weight of 8-Quinolinol, N-oxide?

8-Quinolinol, N-oxide has molecular formula C9H7NO2 and molecular weight 161.157 g/mol.

What are the upstream and downstream products of 8-Quinolinol, N-oxide?

For 8-Quinolinol, N-oxide, Upstream Products: 8-Hydroxyquinoline; Downstream Products: 8-Benzyloxy-5-((R)-2-bromo-1-hydroxyethyl)-1H-quinolin-2-one, 5-Acetyl-8-(benzyloxy)-2(1H)-quinolinone, 2-Amino-8-hydroxyquinoline.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "8-Quinolinol, N-oxide (CAS 1127-45-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4536-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.