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L-Cystine
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| Post Date: | Sep 10,2014 |
| Expiry Date: | Mar 09,2015 |
| Detailed Description: |
Cas No. :56-89-3
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 |
| CAS Registry Number: | 56-89-3 |
| Synonyms: | ;L(-)-3,3-Dithiobis(2-aminopropanoic acid);L-Cystine, synthetically derived;(H-Cys-OH)2 (Disulfide bond);(H-Cys-OH)2;H-(Cys)_2-OH;(-)-3,3-Dithiobis(2-aminopropionic acid);2-Amino-3-[(2-amino-2-carboxyethyl)dithio]propanoic acid;L-Cystine,food grade;Cystine;(2R,2'S)-3,3'-disulfanediylbis(2-ammoniopropanoate);Dicysteine; |
| Molecular Formula: | C3H7NO2S3 |
| Molecular Weight: | 185.28818 |
| Molecular Structure: | 
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| Safety Description: | S24/25:; |
| Company: | Daxinganling Zhongbei Northland Bio-Chem Industry Co., Ltd. [ China ] |
| Contact: | Jennifer |
| Tel: | 86+15342752701 |
| Fax: | 0452-6197939 |
| Email: | zbexporting09@gmail.com |
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