L-cysteine

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L-cysteine
Posting date : Jun 14, 2013
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CHEMICAL | Organic ch
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29-
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L-cysteine MF: C3H7NO2S Molecular Weight: 121.16 Statutory number (CAS) :52-90-4 Identification: Infrared Spectroscopy Specific Rotation: +8.3 ° ~ +9.5 ° Dissolved status: ≥ 95.0% Assay: 98.0% to 101.5% Heavy metals: ≤ 10ppm Chloride: ≤ 0.04% Arsenic Salt: ≤ 1ppm Loss on drying: ≤ 0.5% Residue on ignition: ≤ 0.1% PH: 4.5 ~ 5.5 Iron salts: ≤ 10ppm Ammonia salt: ≤ 0.02% Sulfate: ≤ 0.03% Packing: 25kg / barrel Appearance
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