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0013 D-Cystine |
中文名字:D-胱氨酸
Product Name:D-Cystine
Synonyms:(S,S)-3,3'-Dithiobis(2-aminopropionic acid)
Molecular Formula: C6H12N2O4S2
CAS #:349-46-2
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Test Items |
Standard |
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Appearance |
White crystals or crystalline powder |
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Assay |
98.5% to 100.5% |
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Specific Rotation [α]20/D |
+212°(c=1 in 1N HCl) |
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Loss on Drying |
8.5% to 12.0% |
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Residue in Ignition (Sulfate) |
Not more than 0.10% |
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Chloride (Cl) |
19.89% to 20.29% |
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Heavy Metals (Pb) |
Not more than 10 PPM |
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