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This channel is not intended for U.S. and Canadian visitors. Merck operates in the U.S. and Canada as EMD Serono in Healthcare, MilliporeSigma in Life Science and EMD Electronics in Electronics. An unaffiliated and unrelated company, Merck & Co., Inc., Kenilworth, NJ, US holds the rights in the trademark MERCK in the U.S. and Canada. _______________________________ We are Merck, a leading global science and technology company headquartered in Germany. We are curious explorers, courageous pioneers, and ingenious inventors. Our colleagues across the globe love innovating with science and technology to enrich people’s lives with our solutions in Life Science, Healthcare, and Electronics. Together, we dream big and are passionate about caring for our rich mix of people, customers, patients, and the planet. We believe in the positive power of science and technology. It has determined our actions since 1668 and inspires us to continue researching for a future worth living. As a family-owned company with over 350 years of experience, we stand for sustainability, responsibility, and innovative strength. We take pride in being a diverse and inclusive company that values and fosters the talents and abilities of our employees. That's why we are always looking for curious minds that see themselves imagining the unimaginable with us. Work your Magic and join Merck. Legal Disclaimer: www.merckgroup.com/en/legal-disclaimer.html Data Privacy Declaration: www.merckgroup.com/en/privacy-statement

As a leading business-to-business organization, more than 4.5 million customers worldwide rely on Grainger for products in categories such as safety, material handling and metalworking, along with services like inventory management and technical support. For our Team Members, Grainger provides value for customers, fostering an engaging culture and driving strong financial results. Our welcoming workplace enables you to learn, grow and make a difference by keeping businesses running and their people safe. For our customers we offer more than a million industrial-quality products, a consultative sales approach, technical and product expertise, a premium digital experience and the ability to get the right products to youright when you need them. Count on us for supplies and solutions for every industry. Visit Grainger.com® to learn more.

We’re a full-service partner offering design tools, business solutions, and the world’s largest selection of in-stock electronic components. Since its founding in 1972, Digi-Key has been committed to offering the broadest selection of in-stock electronic components, as well as providing the best service possible to its customers, aiding engineers through the entire design process, from Prototype to Production®. This has led the company to be highly ranked year after year in industry surveys, in North America as well as Europe and Asia, in categories covering such facets of business as availability of product, speed of service, responsiveness to problems, and more. The content and services we offer on our website continue to rapidly evolve, and we are committed to providing you with full access to Digi-Key's products and services through the Internet.