≥1 piece |
L-glucosamine (CAS NO.: 56-85-9)
Assay, 98.5%-101.5% FCCIV
Item | Limit | Result |
Appearance | White crystalline powder | Conform |
Specific Rotation [a]D20 o | +6.3°~ +7.3° | +6.5° |
Heavy metals (as Pb) | 0.0015% Max | Conform |
Identification | Positive | Conform |
Loss on Drying | 0.30% Max | 0.08% |
Residue in Ignition | 0.30% Max | 0.09% |
Chromatographic purity | Meets the requirements | Conform |
Chloride (Cl) | 0.05% Max | Conform |
Sulfate (SO 4 ) | 0.03% Max | Conform |
Iron (Fe) | 0.003% Max | Conform |
Organic volatile impurities | Meets the requirements | Conform |
Assay (dry basis) | 98.5%~101.5% | 99.4% |