N-Boc-trans-4-fluoro-L-proline methyl ester

Also known as: N-Boc-trans-4-fluoro-L-proline methyl ester, Boc-trans-4-fluoro-L-proline methyl ester, N-t-Boc-trans-4-fluoro-L-proline methyl ester, (2S,4R)-1-tert-Butyl 2-methyl 4-fluoropyrrolidine-1,2-dicarboxylate, 1-tert-Butyl 2-methyl (2S,4R)-4-fluoropyrrolidine-1,2-dicarboxylate, 1,2-Pyrrolidinedicarboxylic acid, 4-fluoro-, 1-(1,1-dimethylethyl) 2-methyl ester, (2S,4R)-, (2S,4R)-4-fluoropyrrolidine-1,2-dicarboxylic acid O1-tert-butyl ester O2-methyl ester, (4R)-1-Boc-4-fluoro-L-proline methyl ester, Methyl N-(tert-butoxycarbonyl)-(2S,4R)-4-fluoroprolinate, N-Boc-trans-4-fluoroproline methyl ester

N-Boc-trans-4-fluoro-L-proline methyl ester (CAS 203866-18-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H18FNO4 and a molecular weight of 247.263 g/mol. Key properties include a melting point of 36-39ºC, a boiling point of 296.5±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 133.1±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

203866-18-6

Jingsj CID

J-40487-5

Molecular Formula

C₁₁H₁₈FNO₄

Molecular Weight

247.263 g/mol

Category

Organic Acids

Last updated

8/21/2026