L(+)-Cysteine--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(+)-Cysteine
Medicines: --
Properties: bicrystals monoclinic or orthogonality crystal
Formula:	C₃H₇NO₂S
Weight: 121.15
Cas No: 52-90-4

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	99.0～100.5%
pH	4.5～5.5
Specific rotation[a]D020	+8.3°～+9.5°
Chloride(Cl)	≤0.02%
Ammonium(NH4)	≤0.02%
Sulfate(SO4)	≤0.03%
Iron(Fe)	≤10ppm
Heavy metals(Pb)	≤10ppm
Arsenic	≤1ppm
Other amino acids	Not detectable
Loss on drying	0.5%
Residue on ignition	≤0.10%

Main uses : In cosmetic aspect: for the preparation of sun cream, perfume and hair care shampoo; in pharmaceutical aspect: liver medicine, antidote and expectorant; in food aspect: bread fermentation accelerant and preservative

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