(5S)-3,3-difluoro-5-(hydroxymethyl)pyrrolidin-2-one

(S)-3,3-二氟-5-(羟甲基)吡咯烷-2-酮

Also known as: 2-Pyrrolidinone, 3,3-difluoro-5-(hydroxymethyl)-, (5S)-, (5S)-3,3-difluoro-5-(hydroxymethyl)-2-pyrrolidinone, (S)-3,3-Difluoro-5-(hydroxymethyl)pyrrolidin-2-one, MFCD13194160

(5S)-3,3-difluoro-5-(hydroxymethyl)pyrrolidin-2-one (CAS 255903-84-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H7F2NO2 and a molecular weight of 151.11100 g/mol. It is also known as 2-Pyrrolidinone, 3,3-difluoro-5-(hydroxymethyl)-, (5S)-, (5S)-3,3-difluoro-5-(hydroxymethyl)-2-pyrrolidinone and (S)-3,3-Difluoro-5-(hydroxymethyl)pyrrolidin-2-one. Key property: a boiling point of 304.1±42.0°C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 255903-84-5
Jingsj CID: J-1510985-9
Molecular Formula: C₅H₇F₂NO₂
Chinese Name: (S)-3,3-二氟-5-(羟甲基)吡咯烷-2-酮
Molecular Weight: 151.11100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	304.1±42.0°C at 760 mmHg

Frequently Asked Questions

What is the CAS number of (5S)-3,3-difluoro-5-(hydroxymethyl)pyrrolidin-2-one?

The CAS number of (5S)-3,3-difluoro-5-(hydroxymethyl)pyrrolidin-2-one is 255903-84-5.

What are the molecular formula and molecular weight of (5S)-3,3-difluoro-5-(hydroxymethyl)pyrrolidin-2-one?

(5S)-3,3-difluoro-5-(hydroxymethyl)pyrrolidin-2-one has molecular formula C5H7F2NO2 and molecular weight 151.11100 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(5S)-3,3-difluoro-5-(hydroxymethyl)pyrrolidin-2-one (CAS 255903-84-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510985-9 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.