L-Cystine

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L-Cystine

Daxinganling Zhongbei Northland Bio-Chem Industry Co., Ltd.

Daxinganling Zhongbei Northland Bio-Chem Industry Co., Ltd. Products

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L-Cystine - May, 22 2014

Product name: L-Cystine
Synonyms: L(-)-3, 3'-Dithiobis(2-aminopropanoic acid); 2-Amino-3-[(2-amino-2-carboxyethyl)dithio]propanoic acid
Formula: C6H12N2O4S2
Molecular: 240.29
CAS number: 56-89-3
Description: Fine white crystalline powder
Specific rotation: -215° ~ -225°
Chloride(Cl): NMT 0.05%
Ammonium(NH4): NMT 0.02%
Sulfate(SO4): NMT 0.02%
Iron(Fe): NMT 10 ppm
Heavy metals: NMT 20 ppm
Lead: NMT 5 ppm
Arsenic: NMT 1 ppm
Other amino acids: Chromatographically not detectable
Loss on drying: NMT 0.20%
Residual solvents: NMT 0.10%
Assay: 98.5% ~ 101.5%
Please contact Jennifer through zbexporting09(at) gmail(dot) com

Company Name :

Daxinganling Zhongbei Northland Bio-Chem Industry Co., Ltd.

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