![Molecular structure of tert-Butyl 2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate (CAS 205383-87-5)](/images/chem_structures_svg/085/205383-87-5.svg)
tert-Butyl 2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate
Also known as: 1,2-Dihydro-2-oxospiro[3H-indole-3,3'-pyrrolidine]-1'-carboxylic acid 1,1-dimethylethyl ester, 1'-Boc-spiro[indoline-3,3'-pyrrolidin]-2-one, 2-Methyl-2-propanyl 2-oxo-1,2-dihydro-1'H-spiro[indole-3,3'-pyrrolidine]-1'-carboxylate, 2-OXO-1,2-DIHYDRO-SPIRO[INDOLE-3,3'-PYRROLIDINE]-1'-CARBOXYLIC ACID TERT-BUTYL ESTER, Spiro[3H-indole-3,3'-pyrrolidine]-1'-carboxylic acid, 1,2-dihydro-2-oxo-, 1,1-dimethylethyl ester, tert-butyl 2-oxo-1,2-dihydrospiro[indole-3,3'-pyrrolidine]-1'-carboxylate
tert-Butyl 2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate (CAS 205383-87-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H20N2O3 and a molecular weight of 288.342 g/mol. Key properties include a boiling point of 459.9±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 231.9±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 205383-87-5
- Jingsj CID
- J-1512260-8
- Molecular Formula
- C16H20N2O3
- Molecular Weight
- 288.342 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 459.9±45.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 231.9±28.7 °C |
| Exact Mass | 288.147400 |
| PSA | 58.64000 |
| LogP | 2.35 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.594 |
| Storage Conditions | 2-8°C |
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 tert-Butyl 2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate?
The CAS number of tert-Butyl 2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate is 205383-87-5.
What are the molecular formula and molecular weight of tert-Butyl 2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate?
tert-Butyl 2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate has molecular formula C16H20N2O3 and molecular weight 288.342 g/mol.
What are the upstream and downstream products of tert-Butyl 2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate?
For tert-Butyl 2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate, Upstream Products: Di-tert-butyl dicarbonate, 1-(tert-Butoxycarbonyl)-2-pyrrolidinone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-Butyl 2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate (CAS 205383-87-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512260-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.