diff --git a/Resources/Prototypes/ADT/Reagents/check.yml b/Resources/Prototypes/ADT/Reagents/check.yml
new file mode 100644
index 00000000000..46118fd3684
--- /dev/null
+++ b/Resources/Prototypes/ADT/Reagents/check.yml
@@ -0,0 +1,8 @@
+- type: reagent
+  id: ADTCopperNitride
+  name: reagent-name-absinthe
+  desc: reagent-desc-absinthe
+  physicalDesc: reagent-physical-desc-crystalline
+  color: "#09590a" 
+  boilingPoint: 300
+  meltingPoint: 300