10031-43-3-Copper-II-Nitrate-Trihydrate Copper(II) Nitrate Trihydrate CAS Number: 10031-43-3 Assay: Min. 95% – 103% Linear Formula: CuN₂O₆ * 3 H₂O Molecular Weight: 241.60 Physical Form: Other Packaging: Plastic Bottle, Plastic Case