Chemical Suppliers and Catalogs
Note on chemical prices:
Prices for laboratory-grade specialty chemicals usually must be found within a specific supplier's catalog. The library maintains a collection of printed research supplier catalogs on the Handbook Table. For industrial products and bulk commodity price information, see the pathfinder on Chemical Engineering Process Design and Economics.
- Alfa Aesar
- Specialty and bulk, high purity inorganics, precious metal compounds, rare earths, organics and organometallics, high purity metals and materials, etc.
- BuyersGuideChem
- Based in Germany.
- CHEMCATS (in SciFinder Scholar)
- Selected substance records in the REGISTRY database link to CHEMCATS, a database of chemical suppliers.
- ChemExper Chemical Directory
- Records contain catalog information from selected suppliers.
- ChemicalRegister.com
- An international "yellow pages" site listing thousands of chemical products and producers.
- Chemical Engineering Buyers' Guide
- Search for products or companies, or browse by category.
- Chemical Week Buyers' Guide
- Browse by type of service/product, and search by supplier, product, tradenames, etc.
- eMolecules
- An open-access chemistry search engine. Search for chemical structures and names and find links to suppliers and other information in public databases. (Formerly known as Chmoogle.)
- Fisher Scientific
- Many product lines, including Acros Organics.
- ICIS Search
- Searchable database of chemical products and suppliers. Formerly the OPD Buyer's Guide.
- R&D Chemicals
- A meta-directory of chemicals from various suppliers.
- Sigma-Aldrich Catalog
- Searchable product catalog from a major research chemical supplier. Search by catalog number, name, formula, CAS registry number. Chemical/physical information, structure image, FT-IR and NMR spectra, and MSDS are displayable. Registration is required to view some information.
- Spectrum Chemicals
- Includes MSDS and NFPA ratings. Including 2000 USP/NF/FCC grade chemicals, DEA controlled substances, research chemicals and allied products.
- TCI America
- Includes links to the Spectral Data Base System.
- WWW Chemicals
- Search catalogs and directories for chemicals and equipment. Structures require Chime plugin. Includes a Structure Database with 127,000 3-D structures from NCI.
Chemical Suppliers 
