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Sigma-Aldrich

(R)-(+)-2-Pyrrolidone-5-carboxylic acid

95%

Synonym(s):

D-5-Oxo-2-pyrrolidinecarboxylic acid, D-Pyroglutamic acid

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About This Item

Empirical Formula (Hill Notation):
C5H7NO3
CAS Number:
4042-36-8
Molecular Weight:
129.11
Beilstein:
82133
EC Number:
223-735-0
MDL number:
MFCD00066212
UNSPSC Code:
12352200
PubChem Substance ID:
24866442
NACRES:
NA.22

Assay

95%

form

solid

optical activity

[α]22/D +10°, c = 1.5 in H2O

reaction suitability

reaction type: solution phase peptide synthesis

mp

155-156 °C (lit.)

application(s)

peptide synthesis

SMILES string

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

InChI

1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/t3-/m1/s1

InChI key

ODHCTXKNWHHXJC-GSVOUGTGSA-N

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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