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Nutritional Supplements Histidine Powder CAS 71-00-1 L-Histidine | ||
Chemical Name: | L-Histidine | |
CAS No.: | 71-00-1 | |
Molecular Fomula: | C6H9N3O2 | |
Molecular weight: | 155.15 | |
Appearance: | White Crystals or crystalline powder | |
Assay: | 95%min |
Item | Specifications | Test Results |
Appearance | White Crystal Powder | Conform |
Identification | As per USP29 | Conform |
Specific rotation | +12.6°~+14.0° | +12.8° |
PH | 7.0 to 8.5 | 8.0 |
Loss on drying | Not more than 0.2% | 0.14% |
Residue on ignition | Not more than 0.4% | 0.04% |
Chloride | Not more than 0.05% | <0.05% |
Sulfate | Not more than 0.03% | <0.03% |
Iron | Not more than 0.003% | <0.003% |
Heavy metals | Not more than 0.0015% | <0.0015% |
Chromatographic purity | As per USP29 | Conform |
Residual solvents | As per USP29 | Conform |
Assay | 99.5% ~ 101.5% | 99.65% |
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