L-Pyroglutamic acid

Synonym: (S)-(−)-2-Pyrrolidone-5-carboxylic acid, (S)-5-Oxo-2-pyrrolidinecarboxylic acid

Catalog Number: UD-0823

Product Size: 25 g; 100 g; 500 g

CAS Number	MDL Number	Molecular Formula	Molecular Weight
98-79-3	MFCD00005272	C5H7NO3	129.11

Product Information
Optical Activity	[α]20/D −10.5±1°, c = 5% in H2O
Applications	Suitable for the synthesis of: nonproteinogenic amino acids, chiral N-heterocyclic carbenes (NHCs), and the total synthesis of (−)-stemoamide and celogentin C.

Properties
Purity	≥99.0% (T)
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-/m0/s1
InChI Key	ODHCTXKNWHHXJC-VKHMYHEASA-N
Melting Point	155-162 °C

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L-Pyroglutamic acid