| ≥1 piece |
L-Leucine
With good quality and competitive price
High quality and competitive price
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CERTIFICATE OF ANALYSIS
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Product NAMEl-leucine | Production date2009-05-21 |
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Batch NoC090501 | Report date2009-05-26 |
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StandardUSP27 | Shelf life2years |
Tests |
Limits |
Test results |
Description | White crystals or crystalline powder | conforms |
IdenlificationIR | concordant with the reference spectrum | conforms |
assay | 98.5101.5% | 99.6% |
PH | 5.57.0 | 5.96 |
Specific rotation[a]D25 | +14.9°+17.3° | +15.75° |
Chloride(Cl) | ≤0.05% | <0.05% |
Sulfate(SO4) | ≤0.03% | <0.03% |
Iron(Fe) | ≤30ppm | <30ppm |
Heavy metals(Pb) | ≤15ppm | <15ppm |
Loss on drying | ≤0.20% | 0.10% |
Residue on ignition | ≤0.40% | 0.01% |
Organic volatile impurities | conforms | conforms |
Other amino acids | ≤0.50% | conforms |
USP27 Conclusion: Passed test according to the Standard of USP27 | ||
Inspector Checker QC Manager
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| Type: Other |