High quality L-Cystine as food and medicine Grade chemical

High quality L-Cystine as food and medicine Grade chemical.

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  • Molecular Formula: Twin
  • CAS: TW-L-Cystine

High quality L-Cystine as food and medicine Grade chemical 

Chemical FormulaC6H12N2O4S2 CAS No. 56-89-3

Product Name: L-Cystine

Quantity: 1000kg

Batch No: 1409020302

Producing date: 2014.06302

Sampling date: 2014.03.02

Shelf life: two years

Reference Standard: USP30

Item

Specifications

Results

Appearance

White crystalline powder

Conforms

Specific rotation[a]D20°

-215° ~ -225°

-219°

Chloride(Cl)

≤ 0.02%

<0.02%

Ammonium(NH4)

≤ 0.02%

<0.02%

Sulfate(SO4)

≤0.03%

<0.03%

Iron(Fe)

≤20PPm

<20PPm

Heavy metals(Pb)

≤10PPm

<10PPm

Loss on drying

≤ 0.50%

0.30%

Residue on ignition

≤0.10%

0.09%

Assay

98.5 ~ 101.0%

99.1%

Conclusion: This product conforms to USP30 standard.

 

Usage:Used in biochemical research. Preparation of biological medium. Used in biochemical and nutritional research,

 medicine has the body to promote the cell oxidation and reduction function, increase white blood cell and prevent

 pathogens such as development role. Mainly used for all kinds of hair loss syndrome. Also used for dysentery, typhoid,

 influenza and acute infectious disease, asthma, neuralgia, eczema, and various poisoning disease, etc., and maintain the 

function of protein configuration. They are also used as food additive agent.