![Molecular structure of (3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one (CAS 98203-44-2)](/images/chem_structures_svg/236/98203-44-2.svg)
(3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one
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. Key properties include a boiling point of 259.9ºC at 760mmHg, a density of 1.09g/cm3 and a flash point of 58.3ºC. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 98203-44-2
- Jingsj CID
- J-37473-2
- Molecular Formula
- C10H17NO2
- Molecular Weight
- 183.24700 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 259.9ºC at 760mmHg |
|---|---|
| Density | 1.09g/cm3 |
| Flash Point | 58.3ºC |
| Exact Mass | 183.12600 |
| PSA | 29.54000 |
| LogP | 1.31770 |
| Refractive Index | n20/D 1.473(lit.) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 (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 and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of (3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one?
For (3S-cis)-(+)-tetrahydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(6H)-one, Upstream Products: L-Valinol, Levulinic acid, (3S-cis)-(+)-2,3-Dihydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(7aH)-one; Downstream Products: (3S-cis)-(+)-2,3-Dihydro-3-isopropyl-7a-methylpyrrolo[2,1-b]oxazol-5(7aH)-one.
Data compiled from public chemical databases such as PubChem 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-37473-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.