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| Supplier: | Chengdu Baishixing Science and Technology Industry Co., Ltd. |
|---|---|
| Price: | US $ 1kg |
| Min Order: | 25kg |
| Quantity:: | |
| Trade Terms: | CIF |
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| Markets: | North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
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| Synonym: | L-Cystine HCl |
| Classification: | Amino Acid |
| Item | Standard | Test Result |
| Appearance | White crystallline powder | Conform |
| Chemical name | L-Cystine, hydrochloride | Comform |
| Molecular formula | C6H12N2O4S2 . HCl | Conform |
| Molecular weight | 276.76 | Conform |
| Specific Rotation[αα] 20 D | +5.6°~+8.9° | +7.6° |
| Transmittance | ≥98.0% | 98.2% |
| Lossing on drying | ≤1.0% | 0.7% |
| pH | 1.5~2.0 | 1.7 |
| Residue on ignition | ≤0.10% | 0.05% |
| Arsenic | ≤0.0001% | 0.0001% |
| Assay | 98.5%~102.0% | 99.0% |
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