This certificate of analysis provides information about an indomethacin impurity sample, including its chemical and molecular structure, batch number, purity percentage, appearance, molecular formula and weight, solubility, analytical test results, storage instructions, and an alternate name. The sample is a white solid powder consisting of 4-chloro-N'-(2-(1-(4-chlorobenzoyl)-5-methoxy-2-methyl-1H-indol-3-yl)acetyl)-N-(4-methoxyphenyl)benzohydrazide with 95.20% purity.