diff --git a/debug.py b/debug.py
new file mode 100644
index 0000000..39a4f1f
--- /dev/null
+++ b/debug.py
@@ -0,0 +1,72 @@
+import marimo
+
+__generated_with = "0.16.5"
+app = marimo.App(width="medium")
+
+
+@app.cell
+def _():
+    import marimo as mo
+    return
+
+
+@app.cell
+def _():
+    from pif_compiler.services.srv_echa import get_substance_index, get_dossier_info, search_substance, echa_flow
+    return get_dossier_info, get_substance_index, search_substance
+
+
+@app.cell
+def _():
+    cas = '102-71-6'
+    return (cas,)
+
+
+@app.cell
+def _(cas, search_substance):
+    substance = search_substance(cas)
+    substance
+    return (substance,)
+
+
+@app.cell
+def _(get_dossier_info, substance):
+    substance_info = get_dossier_info(rmlId=substance['rmlId'])
+    substance_info
+    return (substance_info,)
+
+
+@app.cell
+def _(get_substance_index, substance_info):
+    get_substance_index(substance_info['assetExternalId'])
+    return
+
+
+@app.cell
+def _(log):
+    import requests
+
+    BASE_SEARCH = "https://chem.echa.europa.eu/api-substance/v1/substance?pageIndex=1&pageSize=100&searchText="
+    BASE_DOSSIER = "https://chem.echa.europa.eu/api-dossier-list/v1/dossier?pageIndex=1&pageSize=100&rmlId="
+    SUBSTANCE_SUMMARY = "https://chem.echa.europa.eu/api-substance/v1/substance/" #+id
+    CLASSIFICATION_ID = "https://chem.echa.europa.eu/api-cnl-inventory/prominent/overview/classifications/harmonised/459160"
+    TOXICOLOGICAL_INFO = "https://chem.echa.europa.eu/html-pages-prod/e4c88c6e-06c7-4daa-b0fb-1a55459ac22f/documents/IUC5-5f55d8ec-7a71-4e2c-9955-8469ead9fe84_0035f3f8-7467-4944-9028-1db2e9c99565.html" # external + rootkey
+    REPEATED_DOSE = "https://chem.echa.europa.eu/html-pages-prod/e4c88c6e-06c7-4daa-b0fb-1a55459ac22f/documents/IUC5-82402b09-8d8f-495c-b673-95b205be60e0_0035f3f8-7467-4944-9028-1db2e9c99565.html"
+
+    active = "&registrationStatuses=Active"
+    inactive = "&registrationStatuses=Inactive"
+    legislation = "&legislation=REACH"
+
+    rmlId = '100.002.773'
+
+    url = BASE_DOSSIER + rmlId + active + legislation
+    response_dossier = requests.get(url)
+    if response_dossier.status_code != 200:
+        log.error(f"Network error: {response_dossier.status_code}")
+    response_dossier_json = response_dossier.json()
+    response_dossier_json
+    return
+
+
+if __name__ == "__main__":
+    app.run()
diff --git a/debug_echa_find.py b/debug_echa_find.py
index cdcfff3..84006fa 100644
--- a/debug_echa_find.py
+++ b/debug_echa_find.py
@@ -32,16 +32,14 @@ def _(log):
 @app.cell
 def _():
     cas_problematici = [
-        "25525-21-7",
-        "113170-55-1",
-        "26172-55-4"
+        "513-85-9"
     ]
     return (cas_problematici,)
 
 
 @app.cell
 def _(cas_problematici):
-    cas_test = cas_problematici[2]
+    cas_test = cas_problematici[0]
     return (cas_test,)