Looking for journal abbreviations? Start here first. Standard list of journal abbreviations used in chemical literature.
The CAS Source Index (CASSI) is a cross-index to journal abbreviations and titles used in chemistry and many related sciences. It is searchable by journal title, abbreviated title, CODEN, ISSN, and ISBN.
Allows you to "chunk" your writing projects into manageable pieces. Has several templates for specific courses as well as one that allows you to define the "chunks".