CAS NO:60-18-4
Chemical Name | L-Tyrosine |
Molecular Structure | |
Molecular Formula | C9H11NO3 |
Molecular Weight | 181.19 |
Characteristics | White styli form crystals with bitterness,soluble in dilute acids or base |
Packing | 25㎏/drum,25㎏/carton |
Quality Standard | AJI92/USP28/EP5/FCCIV |
Specification | |
Specific rotation[a]D20° | -11.3°~-12.1° |
State of solution | ≥95.0% |
Heavy metals(Pb) | ≤10PPm |
Residue on ignition | ≤0.1% |
Iron(Fe) | ≤10PPm |
Loss on drying | ≤0.02% |
Other amino acids | Conforms |
Arsenic(As2O3) | ≤1PPm |
Chloride(CI) | ≤0.02% |
Ammonium(NH4) | ≤0.02% |
Sulfate(SO4) | ≤0.02% |
Assay | 99.0~100.5% |
PH | 5.0~6.5 |