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Ningbo Guoguang Bio-technoly Co.,Ltd.
 
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Ningbo Guoguang Bio-technoly Co.,Ltd.
[China]
Address:
Number1,xinheng 6 road ,Cicheng private industry Zone A Ningbo Zhejiang 315300 China
Phone:
86-0574-87596588
Contact name:
Jim lee , sales
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Ningbo Guoguang Bio-technoly Co.,Ltd.



 
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L-Cysteine Free Base

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L-Cysteine Free Base

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 Model Number 52-90-4

Description:
Molecular Formula: C3H7NO2S
Molecular Weight: 121.15
Cas No: [52-90-4]
Characteristics: White crystalline powder; tasteless, easily soluble in water but insoluble in alcohol and ether
Quality Standards: AJI92
Description: White crystals or crystalline powder
Identification: Meets the requirements
Specific rotation: +38.3 to +9.5 degree
State of solution: >=95.0%
Chloride (Cl) : <=0.04%
Ammonium (NH4) : <=0.02%
Sulfate (SO4): <=0.030%
Iron (Fe) : <=10PPm
Heavy metals (Pb) : <= 10PPm
Arsenic (As2O3) : <= 1PPm
Loss on drying <= 0.5%
Residue on ignition (sulfated) <= 0.1%
Assay 98.0-101.0%
PH : 4.5-5.5
 
Packaging and Storage: In 25kgs fiber drum double polyethylene bags inside; Preserve in well-closed containers, at controlled room temperature.
Recommended limit: 1 year.

Pls contact us by this email for more details:
ggbiology at gmail.com

 


Related Keywords: L-Cysteine Free Base , L-Cysteine , Cysteine

  Packaging In 25kgs fiber drum

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