L-Tyrosine
CAS: 60-18-4
Molecular formula: C9H11NO3
Molecular weight: 181.19
Identification: Infrared Absorption
Specific Rotation: -9.8° ~ -11.2°
Loss on Drying: <0.3%
Residue on Ignition: <0.4%
Chloride: <0.04%
Sulfate: <0.04%
Iron: <0.003%
Heavy Metals: <0.0015%
Arsenic (As2O3): <1ppm
Lead: <3ppm
Mercury: <0.1ppm
Chromatographic Purity: ≤ 0.5% of any individual impurity is found, ≤ 2.0% found, ≤ 2.0% of total impurities is found
Assay: 98.5 ~ 101.5%
Total Plate Count: <1000cfu/g
Yeast and Mold: <100cfu/g
E. coli: Negative
Salmonella: Negative
Staphylococci: Negative