diff --git a/app.py b/app.py
index 44f9901..7921bfc 100755
--- a/app.py
+++ b/app.py
@@ -40,8 +40,20 @@ class Admin(db.Model):
         if not session.get('admin'):
             return redirect(url_for("admin_login"))
 
+
+class Chemical(db.Model):
+    query: db.Query
+    id = db.Column(db.Integer, primary_key=True)
+    pubchem_cid = db.Column(db.Integer, nullable=False)
+    name = db.Column(db.String, nullable=False)
+    formula = db.Column(db.String, nullable=False)
+    mass = db.Column(db.Float, nullable=False)
+    mz = db.Column(db.Float, nullable=False)
+    rt = db.Column(db.Float, nullable=False)
+
 # Error Handlers
 
+
 @app.errorhandler(404)
 def handler_404(msg):
     return render_template("errors/404.html")