chem 4432-chemical plant design

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a life science and high technology company whose biochemical, organic chemical products, kits and services are used in scientific research, including genomic and proteomic research, biotechnology, pharmaceutical development, the diagnosis of disease and as key components in pharmaceutical, diagnostics and high technology manufacturing. - see more at: http://www.sigmaaldrich.com/customer-service/about-us.html#sthash.k6ynxhuu.dpuf

pubchem is an open chemistry database at the national institutes of health (nih).