https://www.selleckchem.com/products/m3541.html
New degradation impurities at m/z 327.15 and m/z 311.16 using gradient UHPLC method with UV detection and highly selective QDa mass detection were observed during the ruxolitinib hydrobromide (RUX.HBr) excipient binary mixture degradation study. High mass resolution LC-MS and nuclear magnetic resonance (NMR) techniques were employed to identify and fully characterize the degradation compounds. The degradation impurities were unambiguously identified as (R)-4-amino-6-(1-(2-cyano-1-cyclopentylethyl)-1H-pyrazol-4-yl)pyrimidine-5-carboxylic ac
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