D-alpha-Amino-n-butyric Acid
- CAS RN
- 2623-91-8
- Chemical Formula
- C4H9NO2
- FW
- 103.12
| Solubility in water | Colorless & clear (c=5) |
|---|---|
| Specific rotation [α]D20 | -20.2°～-23.0°(c=5, 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 0.03% |
| 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, 20μg) |
| Assay | 98.5%～101.0% |
| L-Isomer | Not more than 0.5% |