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Custom Intermediates and RSM

With a strong network of pre-GMP and GMP plants in Europe, in the US and in India SEQENS offers  the production of GMP intermediates, Regulatory Starting Materials (RSM) and pre-GMP intermediates

With a broad range of capabilities and technologies, SEQENS allows supply chain flexibility to meet volume requirements as customers needs evolve.

Our combination of Pre-GMP and GMP manufacturing plants aims at providing reliable supply and derisking strategy through back integration with a high level of quality, safety and environmental compliance.

This balance between Pre-GMP and GMP environments enables SEQENS to offer cost efficient capabilities across the value chain at world-wide level.


Besides its strong development and scale up capabilities, SEQENS offers key technologies to produce your strategic compounds

  • Acylation/alkylation (Friedel Craft, Schotten-Baumann C-N…) 
  • Biocatalysis
  • Carbonylation & Hydroformylation
  • Coupling reactions (Suzuki, Heck, Kumada, Stille)
  • Enzymatic reductions
  • Flow chemistry (Nitration, Hydrogenation, Halogenation)
  • Hydrogenation (Up to 90 bars and 230°C)
  • Halogenation
  • Low temperature chemistry down to -80°C 
  • Multi-Tons scale potent API handling with OEL down to 0,1µg / m3
  • Oxidation
  • Reduction

SEQENS is one of the largest players for several key technologies like cryogenic chemistry, hydrogenation or Friedel-Crafts reactions

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