Letrozole impurities
10 characterised impurity reference standards sharing the Letrozole scaffold — 6 of them with a registered CAS number. Every entry lists its molecular formula and, where the data allows, the two-dimensional structure.
All 10 Letrozole impurities
Grouped by impurity number as published in the catalogue.
Letrozole Impurity 27160388-64-7 · C12H13N3O2Letrozole Impurity 71644566-39-1 · C17H13N3O4Letrozole EP Impurity B113402-31-6 · C22H13N3Letrozole Impurity 17112809-27-5 · C10H8N4Letrozole Impurity 22876728-37-9 · C10H8N4Letrozole Impurity 3730132-90-2 · C2H4N4Letrozole Impurity 10C17H12N4O2Letrozole Impurity 13C17H11N5O2Letrozole Impurity 36C17H11N5OLetrozole Impurity 19C17H11N5
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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