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D-Tyrosine CAS:556-02-5<< BACK
ItemLimit
Specific Rotation ()D20o+11.3ºto +12.1º
State of solution98.0% Min
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 Drying0.20% Max
Residue on Ignition0.10% Max
Other Amino Acid0.3% Max.
Isomer< 0.10 H-L-Tyr-OH
Assay(by HPLC)99.0 to 101.0%
Sulphate Parameter300ppm max
PH5.0 to 6.5

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