The invention discloses a
high performance liquid chromatography analysis method for simultaneously determining
cabozantinib analogues and related substances thereof, and the chromatographic conditions are as follows: a
chromatographic column is an
octadecyl silane bonded silica gel column, acetate
buffer solution-
acetonitrile (70: 30) is used as a mobile phase A,
acetonitrile is used as a mobile phase B,
gradient elution is performed, the concentration of the acetate
buffer solution is 0.005-0.01 mol / L, the pH value is 8.5-9.5, the
column temperature is 25-35 DEG C, the flow velocity is 0.9-1.1 ml / min, the
column temperature is 25-35 DEG C, the
column temperature is 25-35 DEG C, the column temperature is 25-35 DEG C, the column temperature is 25-35 DEG C, the column temperature is 25-35 DEG C, the column temperature is 25-35 DEG C, the column temperature is 25-35 DEG C, and the column temperature is the detection
wavelength is 254 nm, the temperature of a sample
injector is 2-20 DEG C, and the sample injection amount is 10 microliters. The determination method provided by the invention can rapidly and accurately detect the
cabozantinib analogue and the related substances thereof, is simple to operate, good in reproducibility and high in sensitivity, can better control the quality of a
cabozantinib analogue
bulk drug product, and provides a guarantee for optimization of a synthesis process.