≥1 piece |
English name l-pyroglutamic acid ;Alias 5-Oxoproline; 5-Oxopyrrolidine-2-carboxylic acid; L-5-Pyrrolidone-2-carboxylic acid ;(S )-(-)- 2-Pyrrolidone-5-carboxylic acid CAS 98-97-3 Molecular formula C5H7NO3 Molecular weight 129.11 Melting point 152-162 o C Specific rotation -27.5 o (c = 10, 1 N NaOH) ;Water-soluble 10-15 g/100 mL (20 o C) Product Standards : AJI92/USP24 Product specifications : 25KG / barrel Major uses pharmaceutical intermediates, medical supplements.
Pyroglutamate acid exists freely in the biological body , is an important part of the so-called natural moisturizing factor of the stratum corneum, about 12%. Its moisturizing function is twice as much as glycerine. Pyroglutamic acid permeates skin easily, and may enhance the absorption of other active substances in the skin and hair. As a high nutritional additive of easily absorbed,
it can be with basic amino acids, such as arginine, to effect conditioning effect of the skin, also be used as moisturizing agent in the nail care products.