N-Boc-4-oxo-D-proline methyl ester

Also known as: (2R)-4-oxo-1,2-Pyrrolidinedicarboxylic acid 1-(1,1-dimethylethyl) 2-methyl ester, (2R)-4-oxo-1,2-Pyrrolidinedicarboxylic acid 1-(tert-butyl) 2-methyl ester, (R)-1-tert-butyl 2-methyl 4-oxopyrrolidine-1,2-dicarboxylate, (R)-N-Boc-2-methoxycarbonyl-4-pyrrolidone, 1,2-Pyrrolidinedicarboxylic acid, 2-methyl-4-oxo-, 1-(1,1-dimethylethyl) ester, (2R)-, 1-O-tert-butyl 2-O-methyl (2R)-4-oxopyrrolidine-1,2-dicarboxylate, 1-tert-butyl 2-methyl (2R)-4-oxopyrrolidine-1,2-dicarboxylate, 4-oxopyrrolidine-1,2R-dicarboxylic acid 1-tert-butyl ester 2-methyl ester, 4-oxopyrrolidine-N-1,2-(R)-dicarboxylic acid 1-tert-butyl ester 2-methyl ester, Boc-4-oxo-D-proline methyl ester, Boc-ketopyrrolidine methyl ester, Methyl (2R)-1-Boc-4-oxo-pyrrolidinecarboxylate, Methyl N-Boc-4-keto-D-prolinate, PS-J-119, methyl (R)-1-tert-butoxycarbonyl-4-oxopyrrolidine-2-carboxylate, 2-Methyl-1-{[(2-methyl-2-propanyl)oxy]carbonyl}-4-oxo-D-proline

N-Boc-4-oxo-D-proline methyl ester (CAS 256487-77-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H17NO5 and a molecular weight of 243.256 g/mol. Key properties include a boiling point of 386.8±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 187.7±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

256487-77-1

Jingsj CID

J-1181486-1

Molecular Formula

C₁₁H₁₇NO₅

Molecular Weight

243.256 g/mol

Category

Organic Acids

Last updated

8/21/2026