(4R)-(+)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone

Also known as: (4R)-4-Isopropyl-5,5-diphenyl-1,3-oxazolidin-2-one, (4R)-4-isopropyl-5,5-diphenyloxazolidin-2-one, (4R)-5,5-diphenyl-4-isopropyloxazolidin-2-one, (4R)-5,5-diphenyl-4-propan-2-yl-1,3-oxazolidin-2-one, (R)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone, (R)-4-(1-methylethyl)-5,5-diphenyl-1,3-oxazolidin-2-one, (R)-4-(1-methylethyl)-5,5-diphenyloxazolidin-2-one, (R)-4-isopropyl-5,5-diphenyloxazolidin-2-one, (R)-5,5-diphenyl-4-isopropyl-1,3-oxazolidin-2-one, 2-Oxazolidinone, 4-(1-methylethyl)-5,5-diphenyl-, (4R)-

(4R)-(+)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone (CAS 191090-32-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C18H19NO2 and a molecular weight of 281.349 g/mol. Key properties include a melting point of 252-255ºC(lit.), a boiling point of 475.7±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 241.5±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 191090-32-1
Jingsj CID: J-42689-1
Molecular Formula: C₁₈H₁₉NO₂
Molecular Weight: 281.349 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	252-255ºC(lit.)
Boiling Point	475.7±45.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	241.5±28.7 °C
Exact Mass	281.141571
PSA	38.33000
LogP	4.40
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.563

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 (4R)-(+)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone?

The CAS number of (4R)-(+)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone is 191090-32-1.

What are the molecular formula and molecular weight of (4R)-(+)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone?

(4R)-(+)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone has molecular formula C18H19NO2 and molecular weight 281.349 g/mol.

What are the upstream and downstream products of (4R)-(+)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone?

For (4R)-(+)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone, Upstream Products: D-Valine, D-Valine methyl ester hydrochloride.

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. "(4R)-(+)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone (CAS 191090-32-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42689-1 (accessed 2026-11-09).

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