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American Radiolabeled Chemicals, Inc. (ARC) has the largest radiochemical catalog in the world, with more than 5,500 products, a vast majority of which are ARC Exclusives. Increasing demand for custom syntheses as well as for catalog compounds has created several job openings at ARC. Every year, ARC adds around 200 new products to its already comprehensive catalog. ARC is in need of Organic Radiochemists, Biochemists, and Analytical/Preparative HPLC Chemists.

ARC is located in St. Louis, Missouri (USA)

Experienced Organic Radiochemist

Salary: Competitive with full benefits

Ideal candidate should have 5-10 years experience in multi-step radiosynthesis using carbon-14 and tritium. Candidates with experience using carbon-13 and deuterium will also be considered.

Applicant must have extensive experience in multi-step, small-scale organic radiosynthesis. Vacuum line techniques with ability to handle, purify, and transfer small amounts of volatile chemicals under vacuum.


Salary: Competitive with full benefits

Ideal candidate should have 5-10 years experience with enzyme extraction, biochemical synthesis, gel electrophoresis; purifications by EP, TLC, and paper chromatography.

Analytical/Preparative HPLC Chemist – Radioactive

Salary: Commensurate with experience

Ideal candidate should have experience in both analytical and preparative HPLC.

BS in related field required, M.S. or Ph.D. preferred.

American Radiolabeled Chemicals Inc seeks Group Leaders, Analytical in St Louis, MO

Job Duties: Research and development of analysis and purification protocols of radioactive compounds with reference to Tritium and Carbon-14 but not limited to 32P, 33P, 35S, 125I and Radio-TLC, Isotopic dilution, specific activity determination by mass spectra and tritium NMR. Purification of radiolabeled compounds by paper electrophoresis. Chiral purification of non-natural aminoacids. Utilize Laura lite and Ray test software. Supervise analytical lab work flow. Work with the team to help meet deadlines, troubleshoot and implement evolving quality and radiation safety standards. Participate in meeting to fulfill requirements of clients by discussing possibilities. Provide updates on progress and project completion timelines.

Job Requirements: Master’s in chemistry or related field. 3 years of experience working with radiochemicals. Experience working with chromatography and spectroscopy techniques and equipment.

Mail Resumes to: American Radiolabeled Chemicals, Attn: Beth Brockling, 101 ARC Drive, St. Louis, MO 63146

ARC offers a full range of benefits, including major medical insurance, profit sharing, 401K, bonuses, vacations, etc.

Since its inception in 1983, American Radiolabeled Chemicals, Inc. (ARC) has established itself as one of the leading suppliers of high quality radiolabeled and unlabeled chemicals in the world. Our 2018 catalog contains more than 5,500 radiolabeled and unlabeled Amino Acids, Autoradiography Standards, Biological Chemicals, Carbohydrates, Ceramides, Coenzyme A's, Drugs, Fatty Acids, Glitazones, Inositides, Isoprenoids, Lipids, Neurochemicals, Nucleotides, PCBs, Peptides, Pesticides, Statins, Steroids, Toxins, etc. A vast majority of the products listed in our catalog ARC exclusives.

More information about ARC can be found at our website: