Click image to view original image
(daisy at bioproco dot com)
CAS No.: 55-06-1
Purity: 98.0%
Appearance: almost white powder
M.F.: C15H11I3NNaO4
M.W: 672.96
Specifications:
Appearance: almost white or buff colored powder
Solubility: Very slightly soluble in water, slightly soluble in alcohol, practically insoluble in most other organic solvents, dissolves in diluted aqueous sodium hydroxide solutions
Identification:
a) heat about 50 mg with a few drops of sulfuric acid in a porcelain crucible: violet vapors of iodine are evolved.
b) the retention time of the major peak conforms with
that of the RS.
Loss on Drying: NMT 4.0%
Specific Rotation: +18 o ~ +22o
Assay: NLT 98.0%
Levothyroxine Sodium: NMT 5.0%
Conforms with standard in-house for export
