Dear Researcher,

We have been printing hard copies of our catalog every year since the beginning in 1983. In recent years, the requests for the print version of our catalog, containing almost 600 pages and weighing more 4 pounds, has been declining. As a result, we are no longer printing hard copies of our catalog. For those of you who would still like to receive a copy of our 2023 catalog, we can provide it as a PDF on a CD or you can download the PDF from our website. Our 2023 PDF catalog is available online for download using the "Get a Catalog" section.

For those who are not familiar with ARC, we would like to remind you that ARC has the world’s largest and most comprehensive catalog of radiolabeled chemicals. We have more than 4,000 radiochemicals for medical research.

We always welcome your quotation requests for custom synthesis as well as for bulk orders. ARC has procured plenty of raw material for Carbon-14 custom syntheses and bulk orders over the last year amidst the logistical and supply issues.

Best Regards,

Surendra Gupta, Ph.D.