To find the CAS number of a molecule, look it up in the CRC Handbook of Chemistry and Physics:
EurekAlert
Current research news compiled by scientific society AAAS.
Science Daily
Summaries of current research articles with links to original publications.
You can also use the Articles+ search tool to find news articles.
Outlines:
How to write an outline (video)
Why and how to create an outline (Purdue OWL)
Abstracts:
Researching in the Sciences (videos)
Author's Guide for submitting an article to the ACS journal Analytical Chemistry
MLA Formatting and Style Guide (online)