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Research chemical suppliers
Sigma Aldrich
Sigma-Aldrich is the world's largest provider of chemicals used by researchers and chemists in university, government and commercial laboratories throughout the world. The product search tool is outstanding. Nearly 90,000 are available. The product search tool is outstanding.
http://www.sigmaaldrich.com/
Fisher Scientific
The most comprehensive source for research and laboratory supplies. Over 75,000 in the catalog. User friendly search tools.
http://www.fisherscientific.com
Alfa Aesar
Alfa Aesar is a leading manufacturer and supplier of more than 15.000 chemicals, metals and materials for laboratories, research, development and production applications.
http://www.alfa.com
EM Science
EM Science manufactures and distributes over 14,000 different laboratory products representing five major business areas: Reagent Chemicals, Chromatography, Environmental Analysis, Original Equipment Manufacture (OEM) Diagnostics.
http://www.emscience.com
Crescent Chemical
Crescent Chemical Co., Inc. is a national distributor of analytical reference standards, Karl Fischer reagents and titrators, biochemicals, electrophoresis consumables and instruments, and fine organic and inorganic chemicals.
http://www.crescentchemical.com
Spectrum Chemicals
Spectrum is a manufacturer and distributor of chemicals, laboratory equipment and supplies for research, laboratory, and industrial applications.
http://www.spectrumchemical.com
VWR
A major supplier of nearly 25,000 products ranging from biological models and periodic tables to CENCO Physics and ScholAR Chemistry products.
http://www.vwrsp.com/
JT Baker
On-line Catalog, MSDSs, CofAs and Product Literature on over 4,000 Laboratory Chemicals.
http://www.jtbaker.com
ABCR
ABCR offers the world-wide Research and Development community a unique and most comprehensive selection of more than 23000 chemical compounds in the niche markets of Silicon, Fluorine and (Metal)Organic chemistry.
http://www.abcr.de
Asinex
ASINEX is a large Russian supplier of new organic molecules for pharmaceutical, biotech and agrochemical research and development projects. Claims for In-house collection of about 90.000 novel compounds. Web search engine is still under construction.
http://www.asinex.com
Wako Chemicals
One of the leading manufacturers of Laboratory Chemicals, Specialty Chemicals and Diagnostic reagents.
https://search.wako-chem.com/
Merck online catalog
Merck's comprehensive catalog is now online as ChemDat.
http://194.196.248.66/cdrl/catalog/standard/en/index_body.html
MarketPlaces and buyer guides
Biosupplynet
Biosupplynet is a comprehensive Web directory for life science and biomedical research products. Claims for listing 3,000 product categories and 4,900 suppliers. A SciQuest company.
http://www.biosupplynet.com
Biocompare
Biocompare is a buyer's guide for life scientists, covers material and supplies for research / laboratories.
http://www.biocompare.com
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