L-Arginine L-pyroglutamate

l-Arginine l-pyroglutamate, also known as pirglutargine and arginine pidolate, is the l-arginine salt of pyroglutamic acid. Arginine pyroglutamate is a delivery form of arginine.

l-Arginine l-pyroglutamate

Arginine Pyroglutamate Arginine Pyroglutamate
Names
IUPAC name (2S)-2-amino-5-(diaminomethylideneamino)pentanoic acid; (2S)-5-oxopyrrolidine-2-carboxylic acid (1:1)
Identifiers
CAS Number	56265-06-6 Y
3D model (JSmol)	Interactive image
ChemSpider	4957262
ECHA InfoCard	100.054.601
EC Number	260-081-5
PubChem CID	198346
UNII	808T94CEU6 Y
CompTox Dashboard (EPA)	DTXSID50971695
InChI InChI=1/C6H14N4O2.C5H7NO3/c7-4(5(11)12)2-1-3-10-6(8)9;7-4-2-1-3(6-4)5(8)9/h4H,1-3,7H2,(H,11,12)(H4,8,9,10);3H,1-2H2,(H,6,7)(H,8,9)/t4-;/m0./s1 Key: UYCAGRPOUWSBIQ-WCCKRBBIBE
SMILES O=C(O)C1NC(=O)CC1.O=C(O)[C@@H](N)CCC/N=C(\N)N
Properties
Chemical formula	C11H21N5O5
Molar mass	303.319 g·mol−1
Appearance	white powder
Density	solid
Melting point	210 °C (410 °F; 483 K)
Solubility in water	soluble
Hazards
Flash point	201.2 °C (394.2 °F; 474.3 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Physical and chemical properties

l-Arginine l-pyroglutamate is a crystalline solid powder with a sour taste. It is soluble in cold water.

Hazards

The compound is hazardous if ingested or inhaled in concentrated form. It is slightly hazardous in case of skin and eye contact.^[1]