高质量的作为食品级和医药级的胱氨酸化学品
化学式：C6H12N2O4S2 CAS 号： 56-89-3
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Product Name: L-Cystine |
Quantity: 1000kg |
Batch No: 1409020302 |
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Producing date: 2014.06302 |
Sampling date: 2014.03.02 |
Shelf life: two years |
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Reference Standard: USP30 |
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Item |
Specifications |
Results |
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Appearance |
White crystalline powder |
Conforms |
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Specific rotation[a]D20° |
-215° ~ -225° |
-219° |
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Chloride(Cl) |
≤ 0.02% |
<0.02% |
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Ammonium(NH4) |
≤ 0.02% |
<0.02% |
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Sulfate(SO4) |
≤0.03% |
<0.03% |
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Iron(Fe) |
≤20PPm |
<20PPm |
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Heavy metals(Pb) |
≤10PPm |
<10PPm |
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Loss on drying |
≤ 0.50% |
0.30% |
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Residue on ignition |
≤0.10% |
0.09% |
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Assay |
98.5 ~ 101.0% |
99.1% |
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Conclusion: This product conforms to USP30 standard. |
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用途:Used in biochemical research. Preparation of biological medium. Used in biochemical and nutritional research,
medicine has the body to promote the cell oxidation and reduction function, increase white blood cell and prevent
pathogens such as development role. Mainly used for all kinds of hair loss syndrome. Also used for dysentery,
typhoid, influenza and acute infectious disease, asthma, neuralgia, eczema, and various poisoning disease, etc.,
and maintain the function of protein configuration. They are also used as food additive agent.