D-Histidine
- CAS RN
- 351-50-8
- Chemical Formula
- C6H9N3O2
- FW
- 155.16
Code No. | Package Size |
---|---|
29451 | - |
29452 | 1kg |
29453 | 5kg |
29454 | 10kg |
29455 | 50kg |
Solubility in water | Colorless & clear (c=3) |
---|---|
Specific rotation [α]D20 | -11.8°~-12.8°(c= 11, 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% |