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For decades we have supported the pharmaceutical community with high-quality reference standards from sources all over the world. With more than 10,000 reference standards for pharmaceutical quality control, our quality enables your accuracy, helping you to create ever better, safer medicines.

Products in our Mikromol range of more than 5,000 pharmaceutical API, impurity and excipient reference standards each come with a comprehensive Certificate of Analysis detailing the characterisation process for the material, and ensuring its suitability for both qualitative and quantitative analysis.

Our dedicated analytical, synthesis and customer service teams go beyond the standard, and our depth of knowledge, decades of manufacturing experience and scientific excellence in the world of pharmaceutical reference standards ensure your peace of mind.

Your RRF questions answered

Our Mikromol white paper offers expert advice on when to use relative response factors, how to accurately assign them, & additional ruggedness, range & method considerations

Download white paper

Are your standards sufficiently characterised?

Characterisation of non-compendial impurity reference standards: how good is good enough? We explain the different approaches & the risks of using an insufficiently characterised IRS

Watch now

Mikromol impurities symposium

– Join our one-day workshop in Princeton in June to learn about advances in the analysis of pharmaceutical impurities, from method development and RRFs to degradation

Register now
  • Your RRF questions answered

    Get our free RRF white paper

  • Are your standards sufficiently characterised?

    Watch our on-demand webinar

  • Mikromol impurities symposium

    Sign up for our pharmaceutical impurities workshop

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