Product Name: D-Histidine
CAS#: 351-50-8
Molecular Formula: C6H9N3O2
Molecular Weight: 155.16
Reference standard: AJI92
Specifications:
|
Item |
Standard |
|
Appearance |
White crystals or crystalline powder |
|
Specific rotation[α]20/D |
-11.8 to -12.8° |
|
State of solution |
Not less than 95.0% |
|
Chloride (Cl) |
Not more than 0.10% |
|
Heavy metal(Pb) |
Not more than 10ppm |
|
Arsenic(As2O3) |
Not more than 2ppm |
|
Loss on drying |
Not more than 0.20% |
|
Residue on ignition(sulfated) |
Not more than 0.2% |
|
Assay |
98.0 to101.0% |
