Metformin hydrochloride Impurities

Find here the secondary pharmaceutical standard of the native API Metformin Hydrochloride traceable to USP and PhEur.

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41924 Cyanoguanidine ≥95.0% (HPLC), pharmaceutical impurity standard Cyanoguanidine Dicyandiamide Dicyanodiamide Metformin Related Compound A (USP) Metformin impurity A (PhEur)
PHR1331 Cyanoguanidine (Metformin Related Compound A) pharmaceutical secondary standard; traceable to USP Cyanoguanidine Dicyandiamide Dicyanodiamide
PHR1532 Dimethylamine Hydrochloride(Metformin Impurity F) pharmaceutical secondary standard; traceable to PhEur Dimethylamine hydrochloride
08515 Melamine pharmaceutical impurity standard, ≥95.0% (HPLC) 2,4,6-Triamino-1,3,5-triazine Metformin impurity D (Ph Eur) sym-Triaminotriazine