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 |
CAS NO.
6600-40-4
Name
Norvaline
Alias
L-Norvaline; L(+)-Norvaline; L(+)-2-Aminovaleric acid
Formula
C5H11NO2
Formula weight
117.15
Structural formula
Water solubility
10.5 g/100 mL (18 ºC)
Specific rotatory power
24.5 º (c=10, 6 N HCl)
Melting point
300 ºC
Safety Description
S24/25
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