Norvaline(abbreviated as Nva) is an amino acid with the formula CH3(CH2)2CH(NH2)CO2H (nonzwitterionic formula). The compound is an isomer of the more common amino acid valine. Like most other α-amino acids, norvaline is chiral. It is a white, water-soluble solid.
ITEM | SPECIFICATION |
Appearance | White crystals or crystalline Powder |
Assay | 98.5%~101.5% |
Identification | Infrared absorption spectrum |
Specific Rotation[a]D20 | +22.4°~+24.7° |
PH | 5.6~6.1 |
Chloride(Cl) | ≤0.05% |
Sulfate(SO4) | ≤0.03% |
Iron(Fe) | ≤30ppm |
Heavy Metals(Pb) | ≤15ppm |
Loss on drying | ≤0.3% |
Residue on ignition | ≤0.4% |
Organic volatile impurities | Meet the requirements |
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