... in the light, it is stable to temperature and moisture.Specifications: USP28, EP5, JP14Description: Yellow to orange crystalline powder, odorless and ... max.Heavy metals, ppm: 20 max.Chromatographic purity:Coenzymes Q7, Q8, Q9, Q11 and related impurities, %: 1.0 max.Ubidecarenone (2Z ...