Ethyl N-Boc-3-oxopyrrolidine-2-carboxylate

Also known as: 1-tert-Butyl 2-ethyl 3-oxopyrrolidine-1,2-dicarboxylate, 1-(tert-Butoxycarbonyl)pyrrolidin-3-one-2-carboxylic acid ethyl ester, Ethyl 1-(tert-butoxycarbonyl)-3-oxopyrrolidine-2-carboxylate, Ethyl 1-(tert-butoxycarbonyl)pyrrolidin-3-one-2-carboxylate, N-Boc-3-oxopyrrolidine-2-carboxylic acid ethyl ester, N-Boc-3-oxopyrrolidine-2-carboxylate, O1-tert-butyl O2-ethyl 3-oxopyrrolidine-1,2-dicarboxylate, 1,2-Pyrrolidinedicarboxylic acid, 3-oxo-, 1-(1,1-dimethylethyl) 2-ethyl ester, (R/S)-1-tert-butyl 2-ethyl 3-oxopyrrolidine-1,2-dicarboxylate, 2-Ethyl 1-(2-methyl-2-propanyl) 3-oxo-1,2-pyrrolidinedicarboxylate, 3-Oxo-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-ethyl ester, N-tert-butyloxycarbonyl-3-keto-DL-proline ethyl ester

Ethyl N-Boc-3-oxopyrrolidine-2-carboxylate (CAS 170123-25-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H12N2O2 and a molecular weight of 156.18500 g/mol. Key properties include a boiling point of 348.0±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 164.3±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 170123-25-8
Jingsj CID: J-980832-6
Molecular Formula: C₇H₁₂N₂O₂
Molecular Weight: 156.18500 g/mol
Category: Organic Acids
Last updated: 11/2/2026

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Physicochemical Properties

Boiling Point	348.0±42.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	164.3±27.9 °C
Exact Mass	257.126312
PSA	72.91000
LogP	0.76
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.487

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 Ethyl N-Boc-3-oxopyrrolidine-2-carboxylate?

The CAS number of Ethyl N-Boc-3-oxopyrrolidine-2-carboxylate is 170123-25-8.

What are the molecular formula and molecular weight of Ethyl N-Boc-3-oxopyrrolidine-2-carboxylate?

Ethyl N-Boc-3-oxopyrrolidine-2-carboxylate has molecular formula C7H12N2O2 and molecular weight 156.18500 g/mol.

What are the upstream and downstream products of Ethyl N-Boc-3-oxopyrrolidine-2-carboxylate?

For Ethyl N-Boc-3-oxopyrrolidine-2-carboxylate, Upstream Products: Di-tert-butyl dicarbonate, tert-Butyl 2-oxoazetidine-1-carboxylate.

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

Last updated: 11/2/2026

How to cite: Jingsj. "Ethyl N-Boc-3-oxopyrrolidine-2-carboxylate (CAS 170123-25-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-980832-6 (accessed 2026-11-09).

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