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Alfa Aesar: where science meets service

For more than 50 years, scientists have relied on Alfa Aesar chemicals for their research. We have over 38,000 Alfa Aesar products in stock, in multiple sizes and purity levels, including pure elements, precious metal compounds and catalysts, novel organics and organometallics, biochemical reagents, and performance materials for electronics and nanotechnology.

Currently, a selection of Alfa Aesar products is available on The complete portfolio is available on

Product categories


  • Bioactives
  • Antibiotics
  • Antivirals
  • Antitumor and anticancer compounds
  • Anti-inflammatory/steroidal compounds

General biochemicals

  • Nucleosides, nucleotides, and analogs
  • Sugars and polysaccharides
  • Lipids/fatty acids
  • Denaturants

Life science lab essentials

  • Buffering agents
  • Indicators
  • Detergents and surfactants
  • Emulsifiers and stabilizers
  • Acids
  • Standards and solutions—metals
  • Standards and solutions—nonmetals
  • ICAP tuning solutions
  • Water

Specialty and bulk chemicals

We offer expertise in producing and sourcing a substantial range of products for your research, pilot-scale, or full-production application. Our in-house manufacturing capabilities and extensive technical expertise enable us to offer custom solutions to meet your product specifications. Whether it is a specialty metal product, such as custom packaging, a custom metal fabrication, or a shipment of bulk or semi-bulk chemicals, you will find us to be the supplier of choice. Many thousands of chemicals and materials, from gram to ton quantities, can be promptly delivered directly from stock. 
Learn more about our bulk and custom chemical offering

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Featured webinars

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Organic Photovoltaics - A New Twist on Solar Technology

Organic photovoltaics (OPV) are solar cells based on organic semiconductors. Learn how this new innovative technology brings a twist to solar cell research.

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How drug repurposing can accelerate the search for new treatments

Bringing a drug to market has become an increasingly slow and expensive process. Learn about a potential solution known as drug repurposing: harnessing existing medicines for new therapeutic applications.

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