• CDN
  • CDN
  • CDN
  • CDN


General Information


Pricing and Payment Information

All prices are in U.S. dollars and are exclusive of state or local taxes. There are no customs duties on stable isotope labelled compounds.
Shipping charges are prepaid and will be added to invoices, unless a 'freight collect' shipment is requested.
Minimum order is $50.00.
Payment terms are net 30 days from date of invoice. We also accept VISA and MasterCard.
All returns are subject to a 15% Restocking Fee, and require pre-approval from C/D/N Isotopes Inc.
Prices subject to change without notice.



C/D/N Isotopes Inc. provides quantity discounts starting at 5 times catalog size  for most products. Please request a quotation.
Orders for quantities less than catalog size will be accepted, providing stock is available and subdivision is possible. Please request a quotation.
All quotations are valid for 60 days.


Custom Synthesis

Please ask us about labelled compounds you do not find listed. The product that you need may have been prepared already, but is not included on our website yet.
We would be pleased to provide you with a quote for custom synthesis. Our extensive expertise in the preparation of stable isotope labelled compounds allows us to offer custom synthesis of products to meet your specific requirements. Contact our Technical Support staff to ask how we can meet your research requirements.


Shipping Information

F.O.B. point is our facility in Pointe-Claire, Quebec, Canada.
The choice of an appropriate carrier is governed by the physical properties of the products and transport regulations. Shipping hazard(s) for each product, as known, are indicated on each Product Information page.


Quality Control

The listed Isotopic Enrichments are our minimum specifications for Quality Control release. The minimum standard for Chemical Purity is 98%, unless noted otherwise.
A Certificate of Analysis is provided with each product shipped.
All of our products are non-radioactive and have a shelf life comparable to that of the corresponding unlabelled compounds.


Chemical Abstract Service Numbers

CAS Numbers, when they have been assigned to the labelled compound, are provided in brackets under the compound name.
You will also find the CAS Numbers which correspond to the unlabelled version of the compound on our website, indicated as "CAS Number (of the unlabelled compound)".


Handling Hazardous Products

The listed products have properties and potential hazards similar to the corresponding unlabelled chemicals. Appropriate precautions should be taken at all times during their use and disposal.
A Safety Data Sheet (SDS) is provided with each product shipped. SDSs for our products are also available on our website.


Our Products are Not Intended for Use in Humans

They are offered for use as analytical standards and laboratory chemicals only. Approval from the appropriate government regulatory agency should be obtained prior to studies in which any labelled compounds are to be administered to humans.


Limited Warranty

C/D/N Isotopes Inc. warrants that the products are as described when shipped. There is no warranty, expressed or implied, as to the fitness of the compounds for any particular application. Quality claims should be made within 30 days of receipt of product. The maximum liability for C/D/N Isotopes Inc. shall be the replacement of the product or the refund of the purchase price.