Sichuan Tongsheng Amino acids Co.,Ltd.

L-Pyroglutamic Acid

• Category :

  Food and Feed additives/Food additives

• Synonyms :

  5-Oxo-L-proline;Pyroglutamicacid;pidolic acid;glutiminic acid;5-oxoproline;Pyr-OH;L-Pyroglutamic acid;H-Pyr-OH;L-2-Pyrrolidone-5-carboxylic acid;(S)-(-)-2-Pyrrolidinone-5-carboxylic acid;L-Pyrpglutamic Acid;5-Oxopyrrolidine-2-carboxylic acid;5-Pyrrolidone-2-carboxylic acid;L-5-Pyrrolidone-2-carboxylic acid;pyroglutamic acid;Pyrrolidonecarboxylic Acid;L-pyro glutamic acid;(2S)-5-oxopyrrolidine-2-carboxylate;

• CAS NO :

  98-79-3

• EC NO :

  202-700-3

• Molecular Formula :

  C₅H₆NO₃

• Molecular Weight :

  128.1066

• Main Specifications :

  Standard :AJI/USP

• InChI :

  InChI=1/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/p-1/t3-/m0/s1

• Product description :

  Appearance White crystalline powder Specific rotation(a)D20 (C=5 H2O) -11.0 to -12.0? Chloride(C1) Not more than 0.02% Ammonium(NH4) Not more than 0.02% Sulfate(SO4) Not more than 0.02% Heavy metals(Pb) Not more than 10ppm Iron(Fe) Not more than 10ppm Arsenic(As2O3) Not more than 1 PPM Loss on drying Not more than 0.5% Residue on ignition Not more than 0.1% Assay 99.0-101.0%

• Molecular Structure :