Customization: | Available |
---|---|
CAS No.: | 73-32-5 |
Formula: | C6h13no2 |
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Item | USP24 | USP38 | EP8 |
Assay | 98.5-101.5% | 98.5-101.5% | 98.5-101.0% |
PH | 5.5-7.0 | 5.5-7.0 | --- |
Specific rotation[a]D20 | --- | --- | +40.0-+43.0 |
Specific rotation[a]D25 | +38.9°-+41.8° | +38.9°-+41.8° | --- |
Transmittance(T430) | --- | --- | clear & colorless ≤BY6 |
Chloride(Cl) | ≤0.05% | ≤0.05% | ≤0.02% |
Ammonium(NH4) | --- | --- | --- |
Sulfate(SO4) | ≤0.03% | ≤0.03% | ≤0.03% |
Iron(Fe) | ≤30PPM | ≤30PPM | ≤10PPM |
Heavy metals(Pb) | ≤15PPM | ≤15PPM | ≤10PPM |
Other amino acids | --- | individual impurities≤0.5% total impurities≤2.0% | --- |
Ninhydrin-positive substances | --- | --- | conform |
Loss on drying | ≤0.30% | ≤0.30% | ≤0.5% |
Residue on ignition | ≤0.30% | ≤0.30% | ≤0.10% |
Organic volatile impurities | conforms | --- | --- |
-Isoleucine | USP24 | USP38 | AJI92 | EP8 |
Assay | 98.5-101.5% | 98.5-101.5% | 98.5~101.0% | 98.5-101.0% |
PH | 5.5-7.0 | 5.5-7.0 | 5.5-6.5 | / |
Specific rotation[a]D20 | / | / | +39.5~+41.5° | +40.0-+43.0 |
Specific rotation[a]D25 | +38.9°-+41.8° | +38.9°-+41.8° | / | / |
Transmittance(T430) | / | / | ≥98.0% | clear & colorless ≤BY6 |
Chloride(Cl) | ≤0.05% | ≤0.05% | ≤0.02% | ≤0.02% |
Ammonium(NH4) | / | / | ≤0.02% | / |
Sulfate(SO4) | ≤0.03% | ≤0.03% | ≤0.02% | ≤0.03% |
Iron(Fe) | ≤30PPM | ≤30PPM | ≤10PPM | ≤10PPM |
Heavy metals(Pb) | ≤15PPM | ≤15PPM | ≤10PPM | ≤10PPM |
Other amino acids | / | individual impurities≤0.5% total impurities≤2.0% | ≤0.5% | / |
Ninhydrin-positive substances | / | / | / | conform |
Loss on drying | ≤0.30% | ≤0.30% | ≤0.20% | ≤0.5% |
Residue on ignition | ≤0.30% | ≤0.30% | ≤0.10% | ≤0.10% |
Organic volatile impurities | conforms | / | / | / |
Endotoxin | / | / | / | / |
Item | USP24 | USP38 | EP8 |
Assay | 98.5-101.5% | 98.5-101.5% | 98.5-101.0% |
PH | 5.5-7.0 | 5.5-7.0 | --- |
Specific rotation[a]D20 | --- | --- | +40.0-+43.0 |
Specific rotation[a]D25 | +38.9°-+41.8° | +38.9°-+41.8° | --- |
Transmittance(T430) | --- | --- | clear & colorless ≤BY6 |
Chloride(Cl) | ≤0.05% | ≤0.05% | ≤0.02% |
Ammonium(NH4) | --- | --- | --- |
Sulfate(SO4) | ≤0.03% | ≤0.03% | ≤0.03% |
Iron(Fe) | ≤30PPM | ≤30PPM | ≤10PPM |
Heavy metals(Pb) | ≤15PPM | ≤15PPM | ≤10PPM |
Other amino acids | --- | individual impurities≤0.5% total impurities≤2.0% | --- |
Ninhydrin-positive substances | --- | --- | conform |
Loss on drying | ≤0.30% | ≤0.30% | ≤0.5% |
Residue on ignition | ≤0.30% | ≤0.30% | ≤0.10% |
Organic volatile impurities | conforms | --- | --- |