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Drexel Library

Chemical and Biological Engineering

This course guide includes useful resources to assist students to find relevant information needed for their research, design projects, and assignments.

Business and Industry Research

General Sourcing Information

Commercial Availability Sources

Commercial availability can be tricky.  It is generally most efficient to search an aggregate source that contains availability through multiple suppliers.  Depending on the supplier, however, the aggregators may not include information like quantity or price.  In a case like that, you will have to go to the individual suppliers' Web sites for the missing information.