(2R,4S)-1-tert-butyl 2-methyl 4-aminopyrrolidine-1,2-dicarboxylate

Also known as: Methyl (2R,4S)-4-amino-1-(tert-butoxycarbonyl)pyrrolidine-2-carboxylate, Methyl (2R,4S)-1-Boc-4-aminopyrrolidine-2-carboxylate, 1-(1,1-dimethylethyl) 2-methyl (2R,4S)-4-amino-1,2-pyrrolidinedicarboxylate, (2R,4S)-4-amino-1,2-pyrrolidinedicarboxylic acid 1-(1,1-dimethylethyl) 2-methyl ester, trans-4-amino-N-tert-butoxycarbonyl-D-proline methyl ester, 1-tert-Butyl 2-methyl (2R,4S)-4-aminopyrrolidine-1,2-dicarboxylate

(2R,4S)-1-tert-butyl 2-methyl 4-aminopyrrolidine-1,2-dicarboxylate (CAS 254881-77-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H20N2O4 and a molecular weight of 244.288 g/mol. Key properties include a boiling point of 370.2±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 177.7±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 254881-77-1
Jingsj CID: J-874707-7
Molecular Formula: C₁₁H₂₀N₂O₄
Molecular Weight: 244.288 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	370.2±42.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	177.7±27.9 °C
Exact Mass	244.142303
PSA	81.86000
LogP	0.18
Vapor Pressure	0.0±1.8 mmHg at 25°C
Refractive Index	1.507

Frequently Asked Questions

What is the CAS number of (2R,4S)-1-tert-butyl 2-methyl 4-aminopyrrolidine-1,2-dicarboxylate?

The CAS number of (2R,4S)-1-tert-butyl 2-methyl 4-aminopyrrolidine-1,2-dicarboxylate is 254881-77-1.

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

(2R,4S)-1-tert-butyl 2-methyl 4-aminopyrrolidine-1,2-dicarboxylate has molecular formula C11H20N2O4 and molecular weight 244.288 g/mol.

What are the upstream and downstream products of (2R,4S)-1-tert-butyl 2-methyl 4-aminopyrrolidine-1,2-dicarboxylate?

For (2R,4S)-1-tert-butyl 2-methyl 4-aminopyrrolidine-1,2-dicarboxylate, Upstream Products: Di-tert-butyl dicarbonate, N-Boc-cis-4-hydroxy-D-proline methyl ester, Methyl (2R,4R)-4-hydroxypyrrolidine-2-carboxylate hydrochloride.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(2R,4S)-1-tert-butyl 2-methyl 4-aminopyrrolidine-1,2-dicarboxylate (CAS 254881-77-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-874707-7 (accessed 2026-11-09).

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