D-Valine
- CAS RN
- 640-68-6
- Chemical Formula
- C5H11NO2
- FW
- 117.15
| Solubility in 3M-HCl | Colorless & clear (c=5) |
|---|---|
| Specific rotation [α]D20 | -26.5°～-29.0°(c= 8, 6M-HCl) |
| Loss on drying | Not more than 0.3% |
| Residue on ignition (as sulfate) | Not more than 0.1% |
| Chloride (Cl) | Not more than 0.02% |
| 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, 20μg) |
| Assay | 98.5%～101.0% |
| L-Isomer | Not more than 0.5% |