Our science, your product

Custom design and production of specialty chemicals, intermediates and APIs

Swiss excellence encompassing low-cost European R&D expertise and large-scale advanced manufacturing in China.

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Custom design and production of specialty chemicals, intermediates and APIs


Review our broad range of products for your pharmaceutical, chemical, cosmetic and nutraceutical needs. You can also enter the product name or CAS number below or browse by product category.



With decades of experience in providing innovative chemistry, we apply cost-performance benchmarks on a project-by-project basis to find the best solution for you.


Based in the high-end business environment of Switzerland, our passion for chemistry is at our core and drives us to excel and offer our best to you. We have over 300 marketed products which are used by the world’s leading pharmaceutical, chemical, cosmetic and nutraceutical companies. One out of ten cannot be found elsewhere because our state-of-the-art R&D lab has tailor made them to suit our clients’ specific needs, and at significantly reduced rates.

Our latest products


Chemspec Europe 2018

June 20, 2018 - June 21, 2018

Book an appointment with our team to discuss your needs in specialty chemicals and discover our latest products for industrial applications.

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VIO Chemicals celebrates the launch of its new branding and website

October 24, 2017

VIO Chemicals’ new branding and website are designed to emphasise the company’s competencies and aspirations and help widen its appeal and accessibility.

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