3-Quinuclidinone

Also known as: 1-Azabicyclo[2.2.2]octan-3-one, 3-Oxoquinuclidine, Quinuclidin-3-one, NSC 168448, Solifenacin Related Compound 22, 1-Azabicyclo[2.2.2]octan-3-one, Base form

3-Quinuclidinone (CAS 3731-38-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H11NO and a molecular weight of 125.168 g/mol. Key properties include a boiling point of 204.9±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 78.1±12.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3731-38-2
Jingsj CID: J-1523568-4
Molecular Formula: C₇H₁₁NO
Molecular Weight: 125.168 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	204.9±23.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	78.1±12.0 °C
Exact Mass	125.084061
PSA	20.31000
LogP	0.03
Vapor Pressure	0.3±0.4 mmHg at 25°C
Refractive Index	1.530

Customs & Trade Information

HS Code	2933399040
Summary	HS:2933399040 quinuclidin-3-one VAT:17.0% Tax rebate rate:9.0% Supervision conditions:23 MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-Quinuclidinone?

The CAS number of 3-Quinuclidinone is 3731-38-2.

What are the molecular formula and molecular weight of 3-Quinuclidinone?

3-Quinuclidinone has molecular formula C7H11NO and molecular weight 125.168 g/mol.

What are the upstream and downstream products of 3-Quinuclidinone?

For 3-Quinuclidinone, Upstream Products: 3-Quinuclidinone hydrochloride, 3-Quinuclidinol, Ethyl 4-(ethoxycarbonyl)piperidine-1-acetate; Downstream Products: Isonipecotic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3-Quinuclidinone (CAS 3731-38-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523568-4 (accessed 2026-11-09).

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