The go-to purification partner

Headquartered in the United Kingdom, and with laboratories in both the UK and France, Reach Separations are global leaders in high throughput chromatography and purification of chiral and achiral therapeutics.

Bringing Reach’s expert separation science capabilities together with the existing CatSci offer, brings you holistic access to expert chromatographic services from discovery through to the clinic and from small scale research to large scale manufacturing. So, whatever your need in drug development chromatography from chiral, SFC and high throughput HPLC to impurity isolation and GMP services, CatSci offer a comprehensive solution.

  • Meeting your purification needs from mg to kg and beyond.
  • Catering to full asset development or standalone projects.
  • Automated screening systems in both HPLC and SFC modes for both chiral and achiral compounds, that can screen over 150 method conditions in less than 24 hours.
  • cGMP method development and validation guided by ICHQ14 and ICHQ2
  • Bayesian optimisation and DoE tools
  • EPSA (Experimental Polar Surface Area) and ChromLogD measurements
  • The latest high-end laboratory analytical equipment with validated connected CDS and LIM system, maintaining data integrity
  • Workflows for both small molecules and oligonucleotides
  • Controlled substances – Schedule 1 and 2 compliant.

With excellence in method development and preparative chromatography, CatSci’s comprehensive separation science offering provides the highest quality service for small molecules, oligonucleotides and other complex synthetic medicines.

Choose your scale: Analytical, Predictive, Preparative

  • Separation Science Separation Science


    High throughput analysis





    Baysian and DoE guided method development


    Impurity isolation

    Large scale purification