L-Proline, 5-oxo-,1-methylethyl ester

Modify Date: 2025-08-26 12:10:08

L-Proline, 5-oxo-,1-methylethyl ester Structure
L-Proline, 5-oxo-,1-methylethyl ester structure
Common Name L-Proline, 5-oxo-,1-methylethyl ester
CAS Number 52989-50-1 Molecular Weight 171.19400
Density 1.124g/cm3 Boiling Point 314.5ºC at 760mmHg
Molecular Formula C8H13NO3 Melting Point N/A
MSDS N/A Flash Point 144ºC

 Names

Name propan-2-yl (2S)-5-oxopyrrolidine-2-carboxylate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.124g/cm3
Boiling Point 314.5ºC at 760mmHg
Molecular Formula C8H13NO3
Molecular Weight 171.19400
Flash Point 144ºC
Exact Mass 171.09000
PSA 55.40000
LogP 0.54540
Index of Refraction 1.465
InChIKey IZHXNBPKBCUDOZ-LURJTMIESA-N
SMILES CC(C)OC(=O)C1CCC(=O)N1

 Safety Information

HS Code 2933790090

 Synthetic Route

~96%

L-Proline, 5-oxo-,1-methylethyl ester Structure

L-Proline, 5-ox...

CAS#:52989-50-1

Literature: Bristol-Myers Squibb Company Patent: US2008/107625 A1, 2008 ; Location in patent: Page/Page column 38-39 ;

 Precursor & DownStream

Precursor  2

DownStream  0

 Customs

HS Code 2933790090
Summary 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

 Synonyms

pyroglutamic acid iso-propyl ester
L-Pyroglutamic acid isopropyl ester
(S)-iso-Propyl pyroglutamate
5-Oxo-L-proline 1-methylethyl ester
isopropyl 5-oxo-L-prolinate
isopropyl pyrrolidin-5-one-2(S)-carboxylate
isopropyl (+)-L-pyroglutamate
isopropyl (S)-(-)-2-pyrrolidone-5-carboxylate
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