Industrial Chemicals #4996296

Appearance:White or practically white, odorless crystallinepowder Identification(A :IR B:UV): meet the requirementsSpecific rotation:+208to +217 Loss on drying: 01.% max. Residue on ignition: negligible , from 100mgChromatographic purity Individual impurity 1.5% max Total impurities 2.0% max. Assay (on the dried basis): 97.0-103.0%

Appearance: White or off- white, crystalline powder Identification: A: IR, ; B: TLC Specific rotation: +120 +128 Water : 4.0% max. Residue on ignition: 0.2% max. Ordinary impurities: 2.0% max. Assay(anhydrous basis): 97.0% 103.0%

white crystalline powder Identification (IR, UV): A:IR, B:UV, 3.0%max. Specific rotation: +82 to +88 Chromatographic purity: Principal impurity: 1.0% max. Total impurities: 2.0% max. Loss on drying: hydrous form: 3.5%4.0%, anhydrous form: 0.4%max. Residue on ignition: 0.1% max. Heavy metals: 0.002% max. Residual Solvents: Acetone: 1000ppm max. Assay (on the dried basis): 97.0% - 102.0%