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L-Pyroglutamic Acid
UpdateTime:2025/2/26  
Product nameL-Pyroglutamic AcidMolecular formulaC5H7NO3
CAS Number98-79-3Molecular weight129.13
AppearanceWhite fine crystalscontent99%(min)
m.P160 -162 ℃chloride(C1)≤0.020%
Sulfate(SO4)≤0.020%Ammonium(NH4)≤0.020%
Iron (Fe)≤10ppm

Heavy metals(pb)

≤10ppm
Arsenic(AS2O3)≤1ppmOther amino acids≤0.020%
Loss on drying≤0.2%Residue on ignition≤0.1%
State of solution≥98.0%Specific Rotation-11.5~ -12.5°(C=2 in H2O)
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