... absorbance, Assuring optimum sensitivity, Lang term stability HPLC MethanolCAS.No:67-56-1Molecular formula: CH3OHMolecular weight ... TEST ITEMSSTANDARDRESULTSAppearanceClear, ColorlessClear, ColorlessAssay CH3OH ( by GC) %Min 99.999.99Water (by KF coulometry) %Max 0.050.023Evaporation ... , Distributor/Wholesaler Product/Service (We Sell):Hplc reagent,high purity reagent,karl fischer reagent,methanol ...