Ordering Information

Federal Tax ID: 43-1296541

American Radiolabeled Chemicals, Inc. (ARC) is a small, minority-owned business. We are able to offer the research community top quality radiochemicals at highly competitive prices. In addition, we offer further discounts to all U.S. government agencies, for standing orders and annual supply contracts. In most cases we will not be undersold. If your institution does not have a contract with us, please request your purchasing department to contact us so that we can offer discount prices. We accept orders by mail, telephone, fax, e-mail, or on our website.

American Radiolabeled Chemicals, Inc.
101 ARC Drive
Saint Louis, MO 63146-3502

Toll-free USA and Canada:
Telephone: 800-331-6661
Fax: 800-999-9925

Local and International:
Telephone: +1 314-991-4545
Fax: +1 314-991-4692

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Please provide us with the following information when placing your order:

  • Correct purchase order number.
  • Quotation number and price.
  • Catalog number, complete name, and quantity of each product you wish to order.
  • Complete billing and shipping addresses including attention line information.
  • A copy of your institution's current radioactive material license.
  • Please note, your ship to address MUST be included on your radioactive license.


Payment and Payment Terms

Payment is due within thirty (30) days of the invoice date and can be made via business check, wire transfer, Master Card, Visa, American Express, or Discover Card.


For ARC's current wire transfer information, inquire by email to This e-mail address is being protected from spambots. You need JavaScript enabled to view it or This e-mail address is being protected from spambots. You need JavaScript enabled to view it .




Prices and Shipping Charges

Prices are subject to change without prior notice. As the market rates fluctuate, our prices reflect these changes accordingly. ARC is not liable for any typographical errors.


Shipping charges quoted only include transit charges; these shipping charges do not include any applicable taxes, import duties, custom's fees, or other charges incurred by FedEx or other commercial airlines/custom's brokers. Any additional fees and taxes are the responsibility of the recipient.



Return Shipment and Credit Policy

Prior authorization from ARC is required before a shipment can be returned. Full credit or refund is issued within 30 days of receipt in cases where shipment was incorrectly filled, damaged, or did not meet the specifications as described in the technical data sheet.



Limited Warranty

At the time of shipment all products are guaranteed to be free from defects in material and workmanship and to conform to the accompanying technical specifications and purity data. ARC makes no other warranty, expressed or implied, pertaining to the suitability of the product for any specific application. In case of breach of this warranty the entire liability of ARC will be limited to the invoice price of the goods.

In no case will ARC be liable for any special, incidental or consequential damages resulting from the use of its products. ARC hereby expressly disclaims any warranty regarding results obtained through use of the products, including without limitation any claim of inaccurate, invalid, or incomplete results. None of the radiochemicals listed in this catalog are intended for use on humans.



Quality Control

The radiochemical and chemical purity of our products is assured to be 97% to 99% by several analytical methods which include:

  • Thin layer chromatography (TLC)
  • Paper chromatography
  • High voltage paper electrophoresis
  • Reverse isotopic dilution analysis
  • Ion exchange column chromatography
  • High pressure liquid chromatography (HPLC)
  • Colorimetric or enzymatic assays
  • Gas chromatography (GC)
  • UV spectrophotometry
  • I.R. spectrophotometry
  • NMR & mass spectrophotometry if necessary

A detailed technical data sheet outlining the solvent, concentration, specific activity, method of analysis, stability and storage recommendations accompanies each product.



Narcotics and Dangerous Drugs

Most controlled substances (narcotic and non-narcotic) offered for sale in this catalog have been classified by the Drug Enforcement Administration (DEA) as exempt chemical preparations. Purchase of these substances exactly as described in the catalog does not require DEA Registration, DEA quota, or use of DEA Form 222. Any deviation from the catalog or for synthesis of controlled substances not in the catalog requires full compliance with all DEA requirements.

Narcotics and psychotropic substances are regulated under the United Nations International Narcotics/Psychotropics Control Board. Customers of these products are responsible for their own applicable national rules and regulations. They should also inform ARC if their custom synthesis requests involve regulated substances.



Privacy Policy

American Radiolabeled Chemicals does not rent, sell or share any information you submit with any non-affiliated companies.