tert-Butyl (S)-1-benzyl-5-oxopyrrolidine-2-carboxylate
Also known as: (S)-tert-Butyl 1-benzyl-5-oxopyrrolidine-2-carboxylate, 1-Benzyl-5-oxo-L-proline tert-butyl ester, 5-Oxo-1-(phenylmethyl)-L-proline 1,1-dimethylethyl ester, L-Proline,5-oxo-1-(phenylMethyl)-, 1,1-diMethylethyl ester, tert-Butyl (S)-1-benzyl-5-oxopyrrolidine-2-carboxylate, tert-butyl (2S)-1-benzyl-5-oxo-pyrrolidine-2-carboxylate, tert-butyl (2S)-1-benzyl-5-oxopyrrolidine-2-carboxylate
tert-Butyl (S)-1-benzyl-5-oxopyrrolidine-2-carboxylate (CAS 90741-27-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H21NO3 and a molecular weight of 275.34300 g/mol. Key properties include a melting point of 73-74 ºC and a density of 1.138±0.06 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 90741-27-8
- Jingsj CID
- J-1501675-8
- Molecular Formula
- C16H21NO3
- Molecular Weight
- 275.34300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 73-74 ºC |
|---|---|
| Density | 1.138±0.06 g/cm3 |
| Exact Mass | 275.15200 |
| PSA | 46.61000 |
| LogP | 2.45720 |
| Additional Property | Very slightly soluble (0.39 g/L) (25 ºC) |
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of tert-Butyl (S)-1-benzyl-5-oxopyrrolidine-2-carboxylate?
The CAS number of tert-Butyl (S)-1-benzyl-5-oxopyrrolidine-2-carboxylate is 90741-27-8.
What are the molecular formula and molecular weight of tert-Butyl (S)-1-benzyl-5-oxopyrrolidine-2-carboxylate?
tert-Butyl (S)-1-benzyl-5-oxopyrrolidine-2-carboxylate has molecular formula C16H21NO3 and molecular weight 275.34300 g/mol.
What are the upstream and downstream products of tert-Butyl (S)-1-benzyl-5-oxopyrrolidine-2-carboxylate?
For tert-Butyl (S)-1-benzyl-5-oxopyrrolidine-2-carboxylate, Upstream Products: (S)-tert-Butyl 5-oxopyrrolidine-2-carboxylate, Benzyl bromide, tert-Butyl acetate.
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 (S)-1-benzyl-5-oxopyrrolidine-2-carboxylate (CAS 90741-27-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1501675-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.