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Description: |
S-Carboxymethyl-L-Cysteine |
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CAS NO.: |
638-23-3 |
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Add time: |
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S-Carboxymethyl-L-Cysteine | |
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Item |
Specification |
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Appearance |
White crystals or crystalline powder |
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Specific Rotation[α]D20 |
-33.5° to -36.5° |
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State of solution |
Clear and colorless |
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Not less than 98.0% | |
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Chloride (Cl) |
Not more than 0.04% |
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Ammonium (NH4) |
Not more than 0.02% |
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Sulfate (SO4) |
Not more than 0.02% |
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Iron (Fe) |
Not more than 30ppm |
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Heavy Metals (Pb) |
Not more than 10ppm |
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Aresenic (As2O3) |
Not more than 1ppm |
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Other amino aicds |
Chromatographically not detectable |
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Loss on drying |
Not more than 0.30% |
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Residue on ignition |
Not more than 0.1% |
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Assay |
98.5% to 101.0% |
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pH |
2.0 to 3.5 |
Pre：N-Acetyl-L-Tyrosine
Next：没有了
