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MilliporeSigma

Metformin impurity A

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European Pharmacopoeia (EP) Reference Standard

Synonym(s): Dicyandiamide; Cyanoguanidine; Dicyanodiamide

Empirical Formula: C₂H₄N₄

Formula Weight: 84.08

Linear Formula: NH₂C(=NH)NHCN

MDL Number: MFCD00008066

Melting Point: 208-211 °C(lit.)

Beilstein Registry Number: 605637

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