Custom Synthesis

Medical Isotopes, Inc. specializes in multi-step custom synthesis for pharmaceutical companies, government, research facilities and hospitals. With more than 40 years experience in custom synthesis, our experts will prepare your compound based upon your specifications and project needs.

  • Synthesis of labeled and unlabeled standards
  • Synthesis of intermediates
  • Metabolites synthesis/characterization
  • Synthetic route development
  • Full characterization by NMR, MS and HPLC

We are always happy to speak with you about your specific needs for your application; and confirm structure and labeling, purity and enrichment before we begin.

Please call 800-374-9513 or 603-635-2255, send a fax to 603-635-2448, e-mail us or use our inquiry form for custom synthesis requests.

Terms and Conditions


Product quotations noted as custom synthesis are subject to a 30% prepayment before synthesis can begin. If there is a cancellation by the customer for any reason, the Seller can request additional payment for time and materials spent up to the date of cancellation, should it exceed the 30% prepayment.

Delivery times:

Delivery times noted on Custom Synthesis are based on a best estimate and cannot always be exact as reaction times may vary. Seller will do their best to assure delivery time is met; however, order cancellation due to delivery date delay will not constitute reason for the return of the 30% down payment.

Special Interest Products

Special Interest Products with “Inquire” Pricing:

Please ask for a quotation for the following products listed below where “inquire” is listed for pricing. These products are usually available with a longer lead time than our other products. In some cases they are considered “Custom Synthesis” and sometimes they are available but with a longer delivery time and are not considered a “Custom Synthesis”. Please inquire for the quantity you would need.


Alphabetic Listing of Custom Synthesis Products

Amines: Chemical Amines
Catalog Number Product Name    
D31993 WAY 100635-d11 HCl Details Inquire
31991 WAY 100634 Details Inquire
31992 WAY 100635 HCl Details Inquire
D31999 WYE 354-d3 Details Inquire
31998 WYE 354 Details Inquire
49245 WZ4002 Details Inquire
Anti-Cancer: Anti-cancer compounds
Catalog Number Product Name    
17776 Wilforlide A Details Inquire
Aromatics and Derivatives: Aromatic Compounds
Catalog Number Product Name    
31994 Wilkinson’s Catalyst Sulfate Details Inquire
31996 WST-5 Details Inquire
31997 WST-8 Details Inquire
Chiral Reagents: Chiral Reagents Alphabetic Listing
Catalog Number Product Name    
31995 Windaus Ketone Details Inquire
Inhibitors: All Inhibitors
Catalog Number Product Name    
D31990 Warfarin-d5 Details Inquire
D33420 (R)-Warfarin-d5 Details Inquire
33421 (S)-Warfarin Details Inquire
D33422 (S)-Warfarin-d5 Details Inquire
27083 3’-Hydroxy Warfarin Details Inquire
27084 4’-Hydroxy Warfarin Details Inquire
D27085 4’-Hydroxy Warfarin-d4 Details Inquire
D27086 6-Hydroxy Warfarin-d5 Details Inquire
D27089 8-Hydroxy Warfarin-d5 Details Inquire
D27091 10-Hydroxy Warfarin-d5(Mixture of Diastereomers) Details Inquire
31989 R-(+)-Warfarin Details Inquire
27088 7-Hydroxy Warfarin β-D-Glucuronide Details Inquire
27090 8-Hydroxy Warfarin β-D-Glucuronide Details Inquire
27092 10-Hydroxy Warfarin β-D-Glucuronide Details Inquire
Other Research Compounds: Research Compounds
Catalog Number Product Name    
D100106 W-15-d4 Details Inquire
D100107 W-18-d4 Details Inquire
100110 WAY 252623 Details Inquire
100111 WEHI-345 Details Inquire
100112 WEHI 539 Details Inquire
100113 WX 671 Details Inquire
Reference Standards: Unlabeled Reference Standards
Catalog Number Product Name    
87983 Walsuronoid B Details Inquire
87987 Warfarin Impurity 1 Details Inquire
87982 Wilforlide B Details Inquire