Metformin impurities
9 characterised impurity reference standards sharing the Metformin scaffold — 8 of them with a registered CAS number. Every entry lists its molecular formula and, where the data allows, the two-dimensional structure.
All 9 Metformin impurities
Grouped by impurity number as published in the catalogue.
Metformin EP impurity F Tetrahydrofuran Solution124-40-3 · C4H8O · C2H7NMetformin EP Impurity E Sulfate36801-25-9 · C3H11N5O4SMetformin EP Impurity E HCl1674-62-0 · C3H10ClN5Metformin Impurity 25 HCl926-72-7 · C2H7ClN4OMetformin EP Impurity B Hydrochloride2959-04-8 · C4H9ClN8Metformin Impurity 2632161-06-1 · C7H11NO2Metformin Impurity 357260-94-8 · C3H7NO2Metformin EP Impurity C1985-46-2 · C5H10N6Metformin Impurity 43C4H12N4O5S
Other compounds with impurity standards
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Posaconazole 61Empagliflozin 57Tofacitinib 55Isavuconazole 50Rosuvastatin 50Oseltamivir 49Ilaprazole 48Palbociclib 47Relebactam 46Vonoprazan 46Finerenone 45Lenvatinib 45Relugolix 44Upadacitinib 43Ibrutinib 41Azilsartan 40Rivaroxaban 40Ruxolitinib 40Ticagrelor 40Apixaban 38Dapagliflozin 38Crisaborole 37Sildenafil 37Vortioxetine 37Mirogabalin 36Salbutamol 36Olaparib 35Eltrombopag 34Abemaciclib 33Apremilast 33Avanafil 33Tadalafil 33Mirabegron 32Sitagliptin 32Landiolol 31Moxifloxacin 31Nintedanib 31Tirofiban 31Edoxaban 30Ibuprofen 30
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