L-Cystine --Wuxi Bikang Bioengineering Co., Ltd.

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L-amino acids

L-Cystine

L(+)-Cysteine

L-Cysteine hydrochloride anhyd

L-Cysteine hydrochloride monoh

N-acetyl amino acid

Other amino acid products

Hotline: 400-0510-518
Tel: +86-510-80245888
Fax: +86-510-80245999
Mobile: +86-13771475147

Product Name: L-Cystine
Medicines: --
Properties: white crystal or crystal powder
Formula:	C₃H₇NO₂S₃
Weight: 185.28818
Cas No: 56-89-3

Product Description:

Product description
Packing: inner double layer plastic film, outer fiber can; 25kg/drum
Storage: 2 years in seal and shading place

【Quality Standard】

Item	USP28
Assay	98.5～101%
pH	5.5～6.5
Specific rotation[a]D020	- 215°～ - 225°
Chloride(Cl)	≤0.02%
Ammonium(NH4)	≤0.02%
Sulfate(SO4)	≤0.02%
Iron(Fe)	≤10ppm
Heavy metals(Pb)	≤10ppm
Arsenic	≤1ppm
Other amino acids	Not detectable
Loss on drying	≤0.20%
Residue on ignition	≤0.10%

Main uses : biochemical research, preparation of culture medium, food condiment, main component of amino acid transfusion, feed nutritional supplement, cosmetic additive

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