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HUBEI SGP Group/WUHAN BUYOUR AMINO ACID CO., LTD
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 Click to enlarge image
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 Model Number |
SGP-B-07 |
CAS No.:923-32-0
Structural Formula:C6H12N2O4S2
Molecular weight:240.3
Description:White crystals or crystalline powder, Having a strong acid taste, could be dissolved in water.
Packing:25KG/ Paper drum
CERTIFICATE OF ANALYSIS
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Product: DL- Cysteine CAS NO.:(923-32-0)
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Item
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Specification(AJI92)
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Result
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State of solution
( Transmittance)
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Not less than 95.0%
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99.1%
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Chloride(Cl)
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≤ 0.10%
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≤ 0.09%
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Iron(Fe)
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≤ 5ppm
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≤ 5ppm
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Heavy metals(Pb)
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≤ 10ppm
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≤ 9ppm
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Arsenic(as As2o3)
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≤ 1ppm
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≤ 1ppm
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other amino acids
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Conforms
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Conforms
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Loss on drying
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≤ 0.2%
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0.1%
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Residue on ignition
(sulfated)
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≤ 0.1%
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0.05%
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Assay
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98% to 102.0%
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99.9%
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Remarks: Agree with the specification of AJI92
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