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83173

D-Pyroglutamic acid ethyl ester

Name: <SC>D</SC>-Pyroglutamic acid ethyl ester
Brand: SIAL

puriss., ≥99.0% (sum of enantiomers, HPLC)

Synonym(s):

(R)-5-Oxoproline ethyl ester, D-5-Oxo-2-pyrrolidinecarboxylic acid ethyl ester

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About This Item

Empirical Formula (Hill Notation):

C₇H₁₁NO₃

CAS Number:

68766-96-1

Molecular Weight:

157.17

PubChem Substance ID:

329769279

UNSPSC Code:

12352200

Beilstein/REAXYS Number:

82622

MDL number:

MFCD00010848

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Properties

grade

puriss.

assay

≥99.0% (sum of enantiomers, HPLC)

optical activity

[α]20/D −4.0±1.0°, c = 10% in ethanol

optical purity

enantiomeric ratio: ≥99:1 (GC)

mp

53-57 °C

application(s)

peptide synthesis

SMILES string

CCOC(=O)[C@H]1CCC(=O)N1

InChI

1S/C7H11NO3/c1-2-11-7(10)5-3-4-6(9)8-5/h5H,2-4H2,1H3,(H,8,9)/t5-/m1/s1

InChI key

QYJOOVQLTTVTJY-RXMQYKEDSA-N

Description

Other Notes

This ester of pyroglutamic acid can be transformed in many ways, e.g. N-alkylation; Thionation of the lactam; Preparation of the aldehyde; Reduction to the hydroxymethyl compound

ppe

Eyeshields, Gloves, type N95 (US)

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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