1-benzyl 2-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate

1-苄基 2-叔丁基 (S)-5-氧代吡咯烷-1,2-二羧酸酯

Also known as: tert-butyl N-benzyloxycarbonyl-L-pyroglutamate, Cbz-L-pyroglutamic acid tert-butyl ester, Z-PYR-OTBU, (S)-1-benzyl 2-tert-butyl 5-oxopyrrolidine-1,2-dicarboxylate, 1,2-Pyrrolidinedicarboxylic acid, 5-oxo-, 2-(1,1-dimethylethyl) 1-(phenylmethyl) ester, (2S)-, tert-butyl (2S)-N-(benzyloxycarbonyl)pyroglutamate

1-benzyl 2-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate (CAS 81470-51-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H21NO5 and a molecular weight of 319.35200 g/mol. It is also known as tert-butyl N-benzyloxycarbonyl-L-pyroglutamate, Cbz-L-pyroglutamic acid tert-butyl ester and Z-PYR-OTBU. Key properties include a melting point of 53-55 ºC, a boiling point of 470.1±45.0°C at 760 mmHg and a density of 1.219±0.06 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

81470-51-1

Jingsj CID

J-948001-2

Molecular Formula

C₁₇H₂₁NO₅

Chinese Name

1-苄基 2-叔丁基 (S)-5-氧代吡咯烷-1,2-二羧酸酯

Molecular Weight

319.35200 g/mol

Category

Organic Acids

Last updated

8/21/2026