Molecules was the first peer-refereed chemistry journal supporting the deposit and exchange of rare chemical samples. Molecules is indexed and abstracted very rapidly by CrossFire Beilstein, Chemical Abstracts (CAplus); Science Citation Index Expanded; Chemistry Citation Index; Current Contents/Physical, Chemical & Earth Sciences; SciSearch, Research Alert; PubMed; Scopus and Google Scholar. The Impact Factor for Molecules is 1.113 in 2005 and 0.841 in 2006