American Radiolabeled Chemicals (ARC)

Since 1983, ARC has been a trusted supplier of high-quality radiolabeled and unlabeled chemicals worldwide.

Our 2026 catalog features more than 4,000 radiolabeled and unlabeled compounds supporting life science research worldwide, with over 85% of these products available exclusively through ARC.

The 2026 PDF catalog is now available in the “Get a Catalog” section of our website. All new 2025–2026 product additions have been integrated into our searchable online database as we continue to expand our offerings with new compounds released throughout the year.

With an extensive portfolio of carbon-14 and tritium-labeled compounds, ARC provides researchers with a streamlined and reliable one-stop source for high-quality radiochemicals.

ARC also offers custom radiochemical synthesis services utilizing Carbon-14 and Tritium. On a limited basis, we support specialized synthesis projects using Phosphorus-33, Sulfur-35, and selected stable isotopes.

Limited-Time Laboratory Offer
Overstock Chemical Clearance
Save big on select overstock radiolabeled compounds — discounts up to 50% off. Quantities are limited, so contact us today to learn what’s currently available.
New Lab Program
Starting a New Research Lab?
ARC is proud to support the next generation of scientific discovery. If your institution has recently launched a new research laboratory, you may qualify for special introductory pricing and applicable research discounts.

Stay on the pulse of innovation — explore trending news, breakthrough research, and exciting developments connected to radiolabeled compounds in our catalog.

WHAT'S TRENDING?