[
    {
        "id": 8,
        "name": "MgSO4 x 7 H2O",
        "group": "MgSO4",
        "chebi_id": 31795,
        "cas": "10034-99-8",
        "kegg_id": "C12505",
        "mass": 246.476,
        "formula": "SO4.7H2O.Mg",
        "density": null,
        "biological roles": null
    }
]