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di-tert-butyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate

Also known as: BOC-4-OXO-L-PROLINE TERT-BUTYL ESTER, N-Boc-4-oxo-L-proline tert-butyl ester, N-t-BOC-4-Oxo-L-proline tert-butyl ester, Boc-4-OXO-Pro-OtBu, N-BOC-4-OXO-L-PROLINE TERT-BUTYL ESTER, di-tert-butyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate, (S)-Di-tert-butyl 4-oxopyrrolidine-1,2-dicarboxylate, Bis(tert-butyl) (2S)-4-oxopyrrolidine-1,2-dicarboxylate, Bis(2-methyl-2-propanyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate, 1,2-Pyrrolidinedicarboxylic acid, 4-oxo-, bis(1,1-dimethylethyl) ester, (2S)-, MFCD06797013, K204

di-tert-butyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate (CAS 166410-05-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H23NO5 and a molecular weight of 285.336 g/mol. Key properties include a melting point of 64-67ºC, a boiling point of 366.7±42.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 175.6±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
166410-05-5
Jingsj CID
J-26193-8
Molecular Formula
C14H23NO5
Molecular Weight
285.336 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point64-67ºC
Boiling Point366.7±42.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point175.6±27.9 °C
Exact Mass285.157623
PSA72.91000
LogP1.25
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.485
Storage Conditions2~8℃

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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 di-tert-butyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate?

The CAS number of di-tert-butyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate is 166410-05-5.

What are the molecular formula and molecular weight of di-tert-butyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate?

di-tert-butyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate has molecular formula C14H23NO5 and molecular weight 285.336 g/mol.

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

Last updated:

How to cite: Jingsj. "di-tert-butyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate (CAS 166410-05-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26193-8 (accessed 2026-11-09).

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