(R)-4-Hydroxypiperidin-2-one

Also known as: (4R)-4-hydroxypiperidin-2-one, (R)-4-Hydroxy-2-piperidinone, (R)-4-hydroxy-piperidin-2-one, 2-Piperidinone, 4-hydroxy-, (4R)-, 4-Hydroxy-2-piperidinone, 4-Hydroxypiperidin-2-one

(R)-4-Hydroxypiperidin-2-one (CAS 1051316-41-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H9NO2 and a molecular weight of 115.131 g/mol. Key properties include a boiling point of 352.3±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 166.8±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1051316-41-6
Jingsj CID: J-1144752-2
Molecular Formula: C₅H₉NO₂
Molecular Weight: 115.131 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	352.3±35.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	166.8±25.9 °C
Exact Mass	115.063332
PSA	49.33000
LogP	-2.16
Vapor Pressure	0.0±1.8 mmHg at 25°C
Refractive Index	1.498

Frequently Asked Questions

What is the CAS number of (R)-4-Hydroxypiperidin-2-one?

The CAS number of (R)-4-Hydroxypiperidin-2-one is 1051316-41-6.

What are the molecular formula and molecular weight of (R)-4-Hydroxypiperidin-2-one?

(R)-4-Hydroxypiperidin-2-one has molecular formula C5H9NO2 and molecular weight 115.131 g/mol.

What are the upstream and downstream products of (R)-4-Hydroxypiperidin-2-one?

For (R)-4-Hydroxypiperidin-2-one, Upstream Products: Ethyl (R)-(-)-4-cyano-3-hydroxybutyrate.

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. "(R)-4-Hydroxypiperidin-2-one (CAS 1051316-41-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1144752-2 (accessed 2026-11-09).

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