... .e.: 3.6 million ----4.4 million iu/gImpurities, EPIV: Tans-VD3, Pro-VD3, L3, Iso-T3, T3Conclusion: Conform to EP4 ... declared assay, I.e.: 450,000iu/g ---- 550,000iu/gImpurities: Tans-VD3, Pro-VD3, L3, Iso-T3, T3MicrobiologicalColony number: 1000/g ...