SciFinder: Explore Substances > Use CAS number, chemical name, or formula to search.
Business Source Complete: two publications indexed in this database contain chemical pricing information - ICIS Chemical Business and Chemical Week. Recommended searches:
Specialty Chemicals Industry Profiles: accessible in Business Source Complete but have separate catalogue records.
ICIS Chemical Business: available also in ProQuest and Fectiva
Oil and Gas Journal: covering refinery equipment and construction costs