آسپیرین جهت استعلام قیمت تماس بگیرید
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دی‌پروپیلن گلایکول – KEDPG جهت استعلام قیمت تماس بگیرید

متفورمین

جهت استعلام قیمت تماس بگیرید

TEST  STANDARD Unit Ref
Appearance White or almost white crystals – BP 2020
Solubility Freely soluble in water, slightly soluble in ethanol (96 per cent), practically insoluble in acetone and in methylene chloride – BP 2020
 IR spectra Spectrum obtained with standard   Metformin Hydrochloride  – BP 2020
 Melting point  222-226  °C BP 2020
 Appearance of solution  Solution S is clear  and colourless  – BP 2020
 Impurity F not more than the area of the corresponding peak in the chromatogram obtained with the  reference solution (0.05 per cent)  %

 

BP 2020
 Related substances impurity A: not more than the area of the corresponding peak in the

chromatogram obtained with  reference solution (a) (0.02 per cent)

 % BP 2020
unspecified impurities: for each impurity, not more than 0.5 times the area of the principal peak in the

chromatogram obtained with  reference solution (b) (0.05 per cent)

Total impurities: NMT 0.2%
 Loss on drying  Max 0.5  % BP 2020
 Assay (on the dried basis)  98.5 – 101  % BP 2020
 Sulfated Ash   Max 0.1  % BP 2020
 Residual Solvent  (Methanol)   Max 3000  ppm BP 2020

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