L-Threonine, CaS NO.: 72-19-5

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L-Threonine, CaS NO.: 72-19-5
Posting date : Jun 06, 2011
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30-
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L-Threonine, CaS NO.: 72-19-5 Chemical Name: L-Threonine Molecular Formula: C4H9NO3 Molecular Weight: 119.12 Characteristics: White crystalling powder Packing: 25kg/drum,25kg/carton Quality Standard: aJI92/USP28/EP5/FCCIV Specification Specific rotation[a]D20°: -27.6°--29.0° State of solution: Clear and colorless (Tranamittance): min.98.0% Chloride(Cl): max0.02% ammonium(NH4): max0.02% Sulfate(SO4): max0.020% Iron(Fe): max10PPm Heavy metals(Pb): max10PPm arsenic(as2O3): max1PPm Other amio acids: Chromatographically not detecatable Loss on drying: max0.10% Residue on ignition (Sulfated): max0.10% assay: 99.0-100.5% PH: 5.2-6.2 mutualchem(at)gmail(dot)com

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