Sell H-D-allo-Thr-OH

Description

Product Name: H-D-allo-Thr-OH Synonyms: D-allo-threonine, (2R, 3R)**-Amino**-hydroxybutyric acid Molecular Formula: C4H9NO3 Molecular Weight: **9.*2 CAS No.: *********2 Test Items Standard Appearance White fine crystals Specific Rotation [*5/D] *8.5 to **0.5 Degree (c=1.5 in Water) State of Solution (Transmittance) Not less than *8.0% Chloride (Cl) Not more than 0.**0% Heavy Metals (Pb) Not more than 0.**1% Sulfate (SO4) Not more than 0.**0% Ammonium (NH4) Not more than 0.**0% Iron (Fe) Not more than 0.**1% Arsenic (As2O3) Not more than 1 PPM Threonine Chromatographically not detectable Other amino acid Free Residue on Ignition Not more than 0.1% Loss on Drying Not more than 0.2% At **5 Celsius Degreefor 3 hours Assay *9.0% to **1.0%