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L-Tyrosine CAS:556-03-6<< BACK
ItemLimit
Specific Rotation [a]D20o -11.3ºto ĘC12.1º
State of solution 98.0% Max
Chloride (Cl) 0.020% Max
Ammonium(NH4) 0.02% Max
Sulfate(SO4) 0.020% Max
Iron(Fe) 10ppm Max
Heavy Metals (Pb) 10ppm Max
Arsenic(AS2O2) 1ppm Max
Loss on Drying 0.20% Max
Residue on Ignition 0.10% Max
Other Amino AcidChromatographically not detectable
Assay 99.0 to 101.0%
PH 5.0 to 6.5

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