(R)-1-(2-Hydroxy-1-phenylethyl)-1,5-dihydropyrrol-2-one

(R)-1-(2-羟基-1-苯乙基)-1,5-二氢吡咯-2-酮

Also known as: 2H-Pyrrol-2-one, 1,5-dihydro-1-[(1R)-2-hydroxy-1-phenylethyl]-, 1-[(1R)-2-hydroxy-1-phenylethyl]-2H-pyrrol-5-one, 1-[(1R)-2-hydroxy-1-phenylethyl]-1,5-dihydro-2H-pyrrol-2-one, (R)-1-(2-Hydroxy-1-phenylethyl)-1H-pyrrol-2(5H)-one, 1-(2-Hydroxy-1-phenylethyl)-1,5-dihydropyrrol-2-one

(R)-1-(2-Hydroxy-1-phenylethyl)-1,5-dihydropyrrol-2-one (CAS 158271-95-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H13NO2 and a molecular weight of 203.23700 g/mol. It is also known as 2H-Pyrrol-2-one, 1,5-dihydro-1-[(1R)-2-hydroxy-1-phenylethyl]-, 1-[(1R)-2-hydroxy-1-phenylethyl]-2H-pyrrol-5-one and 1-[(1R)-2-hydroxy-1-phenylethyl]-1,5-dihydro-2H-pyrrol-2-one. Key properties include a melting point of 103ºC, a boiling point of 435.4ºC at 760mmHg, a density of 1.249g/cm3 and a flash point of 217.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 158271-95-5
Jingsj CID: J-1369826-5
Molecular Formula: C₁₂H₁₃NO₂
Chinese Name: (R)-1-(2-羟基-1-苯乙基)-1,5-二氢吡咯-2-酮
Molecular Weight: 203.23700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	103ºC
Boiling Point	435.4ºC at 760mmHg
Density	1.249g/cm3
Flash Point	217.1ºC
Exact Mass	203.09500
PSA	40.54000
LogP	1.05630
Vapor Pressure	2.37E-08mmHg at 25°C
Refractive Index	1.619

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 (R)-1-(2-Hydroxy-1-phenylethyl)-1,5-dihydropyrrol-2-one?

The CAS number of (R)-1-(2-Hydroxy-1-phenylethyl)-1,5-dihydropyrrol-2-one is 158271-95-5.

What are the molecular formula and molecular weight of (R)-1-(2-Hydroxy-1-phenylethyl)-1,5-dihydropyrrol-2-one?

(R)-1-(2-Hydroxy-1-phenylethyl)-1,5-dihydropyrrol-2-one has molecular formula C12H13NO2 and molecular weight 203.23700 g/mol.

What are the upstream and downstream products of (R)-1-(2-Hydroxy-1-phenylethyl)-1,5-dihydropyrrol-2-one?

For (R)-1-(2-Hydroxy-1-phenylethyl)-1,5-dihydropyrrol-2-one, Upstream Products: 2,5-Dimethoxy-2,5-dihydrofuran, (S)-(+)-1-Phenyl-1,2-ethanediol, (R)-(-)-2-Phenylglycinol; Downstream Products: (3R-cis)-(-)-3-Phenyltetrahydropyrrolo[2,1-b]oxazol-5(6H)-one.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(R)-1-(2-Hydroxy-1-phenylethyl)-1,5-dihydropyrrol-2-one (CAS 158271-95-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1369826-5 (accessed 2026-10-28).

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