Screening & ADME Products & Services > Amersham Radiolabeling Service

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With world class facilities and over 50 years experience in radiosynthesis, we offer unparalleled resources for the custom synthesis of isotopically labeled compounds. Through our exclusive partnerships with IsoSciences LLC, we will provide you a reliable source of high quality, stable labeled isotopes including carbon-13, nitrogen-15 and deuterium.

Service offering details

Available stable isotopes
   • Carbon-13
   • Deuterium
   • Nitrogen-15

   • Sulfur-34
   • Oxygen-18
   • Organic compounds containing metal
      isotopes such as selenium-76

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Most types of organic compounds
can be prepared including:
   • Final drug substances
   • Aromatics
   • Heterocycles
   • Vitamins
   • Steroids

   • Amino acid derivatives
   • Biological standards
   • Volatile compounds
   • Chiral compounds
   • GMP Guidelines syntheses to agreed specifications

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Standard Quality Control specifications

	•	Structural analysis to determine isotope incorporation and identity by LC/MS or GC/MS
	•	Chemical purity by HPLC
	•	¹H and ¹³C NMR for structural information
	•	A Certificate of Analysis together with all analytical scans are provided for each preparation

Additional measures
• Chemical potency by weight-based assay
• Chiral purity

QC equipment and techniques

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Additional services
   • Consutancy
   • Stability studies
   • Storage
   • Reanalysis
   • Repurification

   • Worldwide shipment
   • Weekly updates
   • Full synthetic write-up
   • Others as requested

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Contact us if you have a radiolabeling project - click here