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    L-Cystine CAS No. 56-89-3

  • CAS No. :56-89-3
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Product Details

L-Cystine

Chemical Name

L-Cystine

CAS No.

56-89-3

Molecular Formula

C6H12N2O4S2

Molecular Weight

240.3

Molecular Structure

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Storage

Store in a tightly closed container. Store in a cool, dry, well-ventilated  area away from incompatible substances. Keep away from metals. Keep  refrigerated. Store protected from moisture. Store protected from light and air.


SPECIFICATION

ITEMS

SPECIFICATION

Appearance

White crystals or crystalline powder

Identification

Conforms with the reference spectrum

Specific rotation-215~-225°
Chloride≤ 0.02%
Sulfate≤ 0.02%
Iron≤ 10ppm
Heavy metals≤ 10ppm
Organic Impurities

                         individual impurity <0.2%

                             total impurities < 2.0%

Loss on drying≤ 0.20%
Residue on ignition≤ 0.10%
Assay
98.5~101.5%


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