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Dongyang Dental Equipment Co.,Limited
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L-Cysteine base

L-Cysteine base

Place of Origin : China
Brand Name : Dongyang
MOQ : negotiable
Price : negotiable
Packaging Details : 25kg/drum
Delivery Time : negotiable
Payment Terms : T/T,L/C
Supply Ability : 10MT/month
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L-Cysteine Base




White crystals or crystalline powder

Specific Rotation[α]D20

+8.3° to +9.5°

State of solution

Clear and colorless

Not less than 95.0%

Chloride (Cl)

Not more than 0.04%

Ammonium (NH4)

Not more than 0.02%

Sulfate (SO4)

Not more than 0.030%

Iron (Fe)

Not more than 10ppm

Heavy Metals (Pb)

Not more than 10ppm

Aresenic (As2O3)

Not more than 1ppm

Other amino aicds

Chromatographically not detectable

Loss on drying

Not more than 0.5%

Residue on ignition

Not more than 0.1%


98.0% to 101.0%


4.5 to 5.5

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