D-Tyrosine
- CAS RN
- 556-02-5
- Chemical Formula
- C9H11NO3
- FW
- 181.19
| Solubility in 3M-HCl | Colorless & clear (c=5) |
|---|---|
| Specific rotation [α]D20 | +11.2°～+12.3°(c= 5, 1M-HCl) |
| Loss on drying | Not more than 0.3% |
| Residue on ignition (as sulfate) | Not more than 0.1% |
| Chloride (Cl) | Not more than 0.03% |
| Sulfate (SO4) | Not more than 0.03% |
| Heavy metals (as Pb) | Not more than 10ppm |
| Iron (Fe) | Not more than 10ppm |
| Ammonium (NH4) | Not more than 0.02% |
| Arsenic (As2O3) | Not more than 1ppm |
| Other amino acids | Not detected by T.L.C.(The spotted amount, 10μg) |
| Assay | 98.5%～101.0% |
| L-Isomer | Not more than 0.5% |