309788

Sigma-Aldrich

Ethyl (R)-(−)-2-pyrrolidone-5-carboxylate

98%

Synonym(s):
(R)-5-Oxoproline ethyl ester, Ethyl 5-oxo-D-proline, D-5-Oxo-2-pyrrolidinecarboxylic acid ethyl ester, Ethyl pyroglutamate, D-Pyroglutamic acid ethyl ester
Empirical Formula (Hill Notation):
C7H11NO3
CAS Number:
Molecular Weight:
157.17
Beilstein/REAXYS Number:
82622
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

optical activity

[α]/D −4.0±1°, c = 10 in ethanol

reaction suitability

reaction type: solution phase peptide synthesis

application(s)

peptide synthesis: suitable

refractive index

n20/D 1.478 (lit.)

bp

176 °C/12 mmHg (lit.)

mp

49-53 °C (lit.)

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

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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