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

(S)-N-叔丁氧羰基-2-吡咯烷酮-5-甲酸叔丁酯

Also known as: (S)-N-Boc-2-pyrrolidone-5-carboxylic acid tert-butyl ester, (S)-N-Boc-pyroglutamic acid tert-butyl ester, (S)-di-tert-butyl 5-oxopyrrolidine-1,2-dicarboxylate, Boc-pyroglutamic acid tert-butyl ester, Boc-Pyr-OTBu, N-Boc-L-pyroglutamic acid tert-butyl ester, tert-butyl (S)-N-(tert-butoxycarbonyl)pyroglutamate, (S)-N-alpha-t-butyloxycarbonyl-pyroglutamic acid t-butyl ester, (2S)-di-tert-butyl 5-oxopyrrolidine-1,2-dicarboxylate, 1,2-di-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate, ditert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate

CAS No.
91229-91-3
Jingsj CID
J-1024757-6
Molecular Formula
C14H23NO5
Chinese Name
(S)-N-叔丁氧羰基-2-吡咯烷酮-5-甲酸叔丁酯
Molecular Weight
285.336 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point58 °C
Boiling Point390.7±35.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point190.1±25.9 °C

Frequently Asked Questions

What is the CAS number of Di-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate?

91229-91-3

What are the molecular formula and molecular weight of Di-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate?

C14H23NO5, molecular weight 285.336 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026