L-Pyroglutamic Acid | CAS NO:98-79-3 |
Chemical Name | L-Pyroglutamic Acid |
Molecular Structure | |
Molecular Formula | C5H7NO3 |
Molecular Weight | 129.11 |
Characteristics | White crystals or crystalline powder |
Packing | 25㎏/drum,25㎏/carton |
Quality Standard | AJI92/USP28/EP5/FCCIV |
Specification
Specific rotation[a]D20° | -10.5° —-12.3° |
Sulfte(SO4) | ≤0.02% |
Heavy metal(PB) | ≤10ppm |
Iron(FE) | ≤10ppm |
Loss on Drying | ≤0.5% |
Arsenic(AS2O3)(Sulfated) | ≤1ppm |
Assay | 98.5% —101.0% |
Residue on ignition | ≤0.1% |
Other amino acid | Chromatographically not detectable |
Chloride | ≤0.2% |