Doramectin, CAS No.: 117704-25-3 EINECS No.: 601-490-4 Molecular Formula: C50H74O14 Molecular Weight: 899.11 Appearance: White crystalline powder. Assay: Not less than 95.0%. BHT: NMT 2000ppm Sulphated Ash: NMT 0.1% Heavy Metal: NMT 200ppm Water: NMT 3.0% Application: It is ...