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1-tert-butyl 2-ethyl pyrrolidine-1,2-dicarboxylate

BOC-DL-脯氨酸乙酯

Also known as: 1-O-tert-butyl 2-O-ethyl pyrrolidine-1,2-dicarboxylate, Boc-DL-Pro-OEt, Boc-DL-proline ethyl ester, PYRROLIDINE-1,2-DICARBOXYLIC ACID 1-TERT-BUTYL ESTER 2-ETHYL ESTER, Saxagliptin Impurity 46

1-tert-butyl 2-ethyl pyrrolidine-1,2-dicarboxylate (CAS 125347-83-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H21NO4 and a molecular weight of 243.29900 g/mol. It is also known as 1-O-tert-butyl 2-O-ethyl pyrrolidine-1,2-dicarboxylate, Boc-DL-Pro-OEt and Boc-DL-proline ethyl ester. Key properties include a boiling point of 305.592ºC at 760 mmHg, a density of 1.101 g/cm3 and a flash point of 138.618ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
125347-83-3
Jingsj CID
J-1340221-3
Molecular Formula
C12H21NO4
Chinese Name
BOC-DL-脯氨酸乙酯
Molecular Weight
243.29900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point305.592ºC at 760 mmHg
Density1.101 g/cm3
Flash Point138.618ºC

Frequently Asked Questions

What is the CAS number of 1-tert-butyl 2-ethyl pyrrolidine-1,2-dicarboxylate?

The CAS number of 1-tert-butyl 2-ethyl pyrrolidine-1,2-dicarboxylate is 125347-83-3.

What are the molecular formula and molecular weight of 1-tert-butyl 2-ethyl pyrrolidine-1,2-dicarboxylate?

1-tert-butyl 2-ethyl pyrrolidine-1,2-dicarboxylate has molecular formula C12H21NO4 and molecular weight 243.29900 g/mol.

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

Last updated:

How to cite: Jingsj. "1-tert-butyl 2-ethyl pyrrolidine-1,2-dicarboxylate (CAS 125347-83-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1340221-3 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.