L-Pyroglutamic Acid

Product Name: H-Pyr-OH CAS#: 98-79-3 Synonyms: L-Pyroglutamic Acid Molecular Formula: C5H7NO3 Molecular Weight: 129 Appearance:White crystalline powder Specific rotation(a)D20(C=5 H2O):-11.0 to -12.0o 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%

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