Analysis of myo-Inositol According to EP Method (SC1011-7F)

According to the European Pharmacopoeia (EP 9.0*), “Related substances” and "ASSAY" for “myo-Inositol" should be carried out with a column filled with strong cation-exchange resin (calcium form). The EP SC1011-7F confirmed the requirement was met.

System suitability requirementResolution between myo-Inositol and Inpurity A (D-Mannitol) peaks (Reference solution (c)): ≥ 4

*The version at the time of the application acquisition.

Sample: 
(Reference solution (c)) 0.5 g each of myo-Inositol and D-Mannitol in 10 mL of H2O
(Inpurity B solution) 0.1 % of Glycerol in H2O

  1. 1.myo-Inositol
  2. 2.Inpurity A (D-Mannitol)
  3. 3.Inpurity B (Glycerol)
Column
Shodex EP SC1011-7F (7.8 mm I.D. x 300 mm)
Eluent
H2O
Flow rate
0.5 mL/min
Detector
RI
Column temp.
85 ℃

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