Ads by Google
L-Leucine L-Leu CAS# 61-90-5 purity>98.5%
Product Name: Dichen CAS#: 61-90-5
Synonyms: L-Leucine Molecular Formula: C6H13NO2
Molecular Weight: 131.17
purity>98.5%
Specifications: (standard: AJI92)
Item | Standard | Analysis data |
Appearance | White crystals or crystalline powder | Conforms |
Specific rotation[α]20/D (C=4 in 6N HCl) | +14.9 to +16.0° | 14.91° |
State of solution (Transmittance) | Clear and colorless Not less than 98.0% | Clear 98.0% |
Chloride (Cl) | Not more than 0.020% | 0.01% |
Ammonium (NH4) | Not more than 0.02% | <0.02% |
Sulfate (SO4) | Not more than 0.020% | 0.005% |
Iron (Fe) | Not more than 10ppm | 6ppm |
Heavy metal(Pb) | Not more than 10ppm | <0.02% |
Arsenic(As2O3) | Not more than 1ppm | <0.02% |
Other amino acids | Chromatographically Not detectable | Conforms |
Loss on drying | Not more than 0.20% | 0.2% |
Residue on ignition(sulfated) | Not more than 0.10% | 0.08% |
Assay | 98.5 to101.0% | 99.0% |
pH | 5.5 to 6.5 | 6.0 |
high content L-Leucine 98.5%