Best L-CYSTEINE FREE BASE

Product Description

Our company is a trading company that operates as intermediary between manufacturers and buyers. we source the best quality products from accredited producers for our clients including small businesses and large corporations worldwide. We ensure efficient services and timely delivery. kindly contact us for more details should you have interest in any of our product range. Description: Molecular Formula: C3H7NO2S Molecular Weight: **1.*5 Cas No: [******4] Characteristics: White crystalline powder; tasteless, easily soluble in water but insoluble in alcohol and ether Quality Standards: AJI*2 Item：Specifications (AJI*2) Description：White crystals or crystalline powder Identification：Meets the requirements Specific rotation [a]D*0: *8.3 to *9.5 degree State of solution：≥ *5.0% Chloride (Cl) ：≤ 0.*4% Ammonium (NH4) ：≤ 0.*2% Sulfate (SO4)：≤ 0.**0% Iron (Fe) ：≤ *0PPm Heavy metals (Pb) ：≤ *0PPm Arsenic (As2O3) ：≤ 1PPm Other amino acids： conforms Loss on drying ：≤ 0.5% Residue on ignition (sulfated) ：≤ 0.1% Assay *8.****1.0% PH ：4.**5.5 Packaging and Storage: In *5kgs 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: ggbiology at gmail dot com