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(3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one

(3S-顺)-(+)-四氢-3-异丙基-7a-甲基吡咯并[2,1-b]噁唑-5(6H)-酮

Also known as: (3S,7aR)-7a-methyl-3-propan-2-yl-2,3,6,7-tetrahydropyrrolo[2,1-b][1,3]oxazol-5-one, (3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one, (3S,7aR)-3-isopropyl-7a-methyltetrahydropyrrolo[2,1-b][1,3]oxazol-5-one, (3S,7aR)-3-isopropyl-7a-methyl bicyclic lactam, (+)-3-isopropyl-7a-methyltetrahydro-pyrrolo[2,1-b]oxazol-5(6H)-one, MFCD00467212

(3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one (CAS 98203-44-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H17NO2 and a molecular weight of 183.24700 g/mol. It is also known as (3S,7aR)-7a-methyl-3-propan-2-yl-2,3,6,7-tetrahydropyrrolo[2,1-b][1,3]oxazol-5-one, (3S,7aR)-3-isopropyl-7a-methyltetrahydropyrrolo[2,1-b][1,3]oxazol-5-one and (3S,7aR)-3-isopropyl-7a-methyl bicyclic lactam. Key properties include a boiling point of 259.9ºC at 760mmHg, a density of 1.09g/cm3 and a flash point of 58.3ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
98203-44-2
Jingsj CID
J-37473-4
Molecular Formula
C10H17NO2
Chinese Name
(3S-顺)-(+)-四氢-3-异丙基-7a-甲基吡咯并[2,1-b]噁唑-5(6H)-酮
Molecular Weight
183.24700 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point259.9ºC at 760mmHg
Density1.09g/cm3
Flash Point58.3ºC

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of (3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one?

The CAS number of (3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one is 98203-44-2.

What are the molecular formula and molecular weight of (3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one?

(3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one has molecular formula C10H17NO2 and molecular weight 183.24700 g/mol.

Is (3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one hazardous?

(3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "(3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one (CAS 98203-44-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37473-4 (accessed 2026-10-22).

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