diff --git a/FourmiCrawler/sources/NIST.py b/FourmiCrawler/sources/NIST.py
new file mode 100644
index 0000000..57befff
--- /dev/null
+++ b/FourmiCrawler/sources/NIST.py
@@ -0,0 +1,16 @@
+from scrapy import log
+# from scrapy.http import Request
+
+
+class NIST(Source):
+    website = "http://webbook.nist.gov/*"  
+
+    def __init__(self):
+        Source.__init__(self)
+
+    def parse(self, reponse):
+        pass
+
+    def new_compound_request(self, compound):
+        # return Request(url=self.website[:-1] + compound, callback=self.parse)
+        pass