Name:L-Cystine

Post Date:
Sep 14,2014
Expiry Date:
Sep 21,2014
Detailed Description:
Cas No. :56-89-3 Quantity: 5000Kilograms
Payment Method: T/T
Name:L-Cystine
1.Cas no.:56-89-3
2.White crystal or crystalline powder; tasteless
3.Assay 98.5~101.0 %
Properties:White crystal or crystalline powder, odorless, flavorless, almost insoluble in water or ethanol, soluble in diluted acid or basic hydroxide solutions.
Specific rotatory power[] D20 -215o -225o
Clarity 98.0%
Ammonium salt[NH4] 0.02%
Chloride[CL] 0.02%
Residue on ignition 0.10%
Sulfate[SO4] 0.02%
Iron salt[Fe] 10 ppm
Heavy metal[Pb] 10 ppm
Arsenic salt 1 ppm
Other amino acid Color layer can not be checked out.
Loss on drying 0.20%
Content 98.5 -101.0%
Use:Used in biochemical research, nutrient; cure congenital cystinuria etc..

Storage:Stored in sealed container at room temperature.
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:
Safety Description:
S24/25:;

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