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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.

DigiKey is the leading global electronic components and automation products distributor, offering unrivaled selection, service, and delivery speed worldwide. We’re your trusted source for electronic components and automation products worldwide. In the electronics and automation industry, DigiKey distributes the most NPIs. As your one source for engineering innovation, we are committed to adding new suppliers and the latest products from around the globe. DigiKey offers the newest technologies and components for building the machines and devices that will propel industries such as healthcare, automotive, AI, energy, sustainability, 5G, and IoT into the future. DigiKey accelerates progress for every designer, buyer, and builder. Beyond the products that drive technological innovation, DigiKey provides engineers with abundant digital solutions, tools, and technical content to enhance their work.