Dl-pyroglutamic acid

Catalog	BBC149871
CAS	149-87-1
Structure
Synonyms	2-Pyrrolidone-5-carboxylic acid
IUPAC Name	5-Oxopyrrolidine-2-carboxylic acid
Molecular Weight	129.11
Molecular Formula	C5H7NO3
Canonical SMILES	C1CC(=O)NC1C(=O)O
InChI	InChI=1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)
InChI Key	ODHCTXKNWHHXJC-UHFFFAOYSA-N
Boiling Point	239.15 °C
Melting Point	183-185 °C (lit.)
Purity	98%
Appearance	White solid
pH	1.7 (50g/l, H₂O, 20°C)
pKa	3.48±0.20
Solubility in Water	52 g/L