L-Tyrosine
L-Tyrosine
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 |
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L-Leucine
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L-Isoleucine
