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

Prepayment:

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


ABCDEFGHIJKLMNOPQRSTUVWXYZ
       
Activators: Agonists
Catalog Number Product Name    
D75066 Ramelteon-d5 Details Inquire
D30657 Ramelteon Metabolite M-II-d3 (mixture of R and S at the hydroxy position) Details Inquire
42174 Rilmenidine Phosphate Details Inquire
42181 RO 5256390 Details Inquire
Agro-Products: Agro Products
Catalog Number Product Name    
30773 Ricinine Details Inquire
D30774 Ricinine-d3 Details Inquire
Aliphatics: All Aliphatics
Catalog Number Product Name    
25424 racemic Falcarinol Details Inquire
24014 (1R,3S,4R)-rel-3,4-Difluorocyclohexane-1-carboxylic Acid Details Inquire
42169 Resolvin E2 Details Inquire
Amines: Chemical Amines
Catalog Number Product Name    
22517 ( R/S)-Colchicine Details Inquire
22805 ( R/S)-N-Deacetyl Colchicine d-10-Camphorsulfonate Details Inquire
D75070 Raltegravir-d4 Details Inquire
CD75069 Raltegravir-13C,d3 Details Inquire
D30658 Ramifenazone-d7 Details Inquire
30671 Ranitidine Impurity B Details Inquire
98842 Reactive Orange 7 Details Inquire
30688 Regorafenib Details Inquire
38812 rel-(1S,3R)-Benazepril HCl Details Inquire
46321 rel-(R,S)-Formoterol Details Inquire
43413 (3aS,4R,6S,6aR)-rel-6-Aminotetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-ol Details Inquire
39315 rel-m-nitro-threo-Chloramphenicol Details Inquire
D30692 Repirinast-d4 Details Inquire
D30720 Reticuline-d3 Details Inquire
30719 Reticuline (>90% ee) Details Inquire
D30721 Retigabine-d4 DiHCl Details Inquire
D48564 Retigabine-d4 N-β-D-Glucuronide Details Inquire
47005 Retigabine (1.0 mg/mL in Acetonitrile) Details Inquire
D75063 Retigabine-d5 DiHCl Details Inquire
30752 ( )-Rheadine Details Inquire
44302 5-Carboxy Rhodamine-6G Details Inquire
30249 D-ribo-Phytosphingosine Details Inquire
CD30250 D-ribo-Phytosphingosine-13C2,d2 Details Inquire
30251 D-ribo Phytosphingosine 1-Phosphate Details Inquire
26973 2-(α,β)-Hydroxy Rimantadine Details Inquire
D26974 2-(α,β)-Hydroxy Rimantadine-d4 Details Inquire
26975 3-Hydroxy Rimantadine Details Inquire
D26976 3-Hydroxy Rimantadine-d4 Details Inquire
26977 4-(α,β)-Hydroxy Rimantadine Details Inquire
D26978 4-(α,β)-Hydroxy Rimantadine-d4 Details Inquire
D98915 Rivastigmine-d6 N-Oxide Details Inquire
27423 Iso Rizatriptan Details Inquire
D27424 Iso Rizatriptan-d6 Details Inquire
30792 Robenacoxib Details Inquire
D30797 Romifidine-d4 HCl Details Inquire
26981 4-Hydroxy Romifidine Details Inquire
D26982 4-Hydroxy Romifidine-d4 Details Inquire
30796 Romifidine HCl Details Inquire
D30798 Ronidazole-d3 Details Inquire
D75064 Ropinirole-d7 Details Inquire
D75065 Ropinirole-d14 Details Inquire
26983 N-Hydroxy Ropinirole Details Inquire
D30800 Ropinirole Aminoacetic Acid-d4 DiHCl Details Inquire
30799 Ropinirole Aminoacetic Acid DiHCl Details Inquire
23753 1-( RS,Z)-2-(Dibutylamino)-2-[2,7-dichloro-9-(4-chlorobenxylidene)]-9H-fluoren-4-yl]ethanol (lumefantrine impurity) Details Inquire
45314 ( RS)-N-Despropyl Pramipexole Details Inquire
D48613 Ruboxistaurin-d6 HCl Details Inquire
30819 Ruboxistaurin HCl Details Inquire
Amino Acids Labeled: Labeled Amino Acids and Derivatives
Catalog Number Product Name    
D45083 rel-Desethylreboxetine-d4 HCl Details Inquire
Amino Acids Unlabeled: Unlabeled Amino Acids and Derivatives
Catalog Number Product Name    
45082 rel-Desethylreboxetine HCl Details Inquire
Anti-Cancer: Anti-cancer compounds
Catalog Number Product Name    
17659 Ranimustine Details Inquire
17660 Retaspimycin Details Inquire
17661 Retelliptine Details Inquire
17662 Riboprine Details Inquire
17663 Ritrosulfan Details Inquire
17664 Rituximab Details Inquire
33774 Rocaglamide Details Inquire
17665 Romidepsin Details Inquire
17666 Ropidoxuridine Details Inquire
17667 Roquinimex Details Inquire
17668 Rosabulin Details Inquire
30822 Ruxolitinib Details Inquire
Anti-virals: Anti-viral Compounds
Catalog Number Product Name    
49394 5’’-O-Acetyl Ribavirin Details Inquire
30763 Ribavirin 2,3,5-Tri-O-acetyl Details Inquire
75411 Rimantadine Details Inquire
13440 Rupintrivir Details Inquire
30820 (5R)-Rupintrivir Details Inquire
Antibiotics: Antibiotics
Catalog Number Product Name    
14833 Retapamulin Details Inquire
D30779 Rifaximin-d6 Details Inquire
32545 Rothromycin Details Inquire
APIs and Pharmaceuticals: API Compounds
Catalog Number Product Name    
33082 Rafoxanide Details Inquire
D75075 Rafoxanide-d4 Details Inquire
18308 Retigabine Details Inquire
16995 Rilpivirine Details Inquire
APIs and Pharmaceuticals: APIs and Pharmaceuticals
Catalog Number Product Name    
D88167 Retigabine-d4 Details Inquire
APIs and Pharmaceuticals: Pharmaceuticals
Catalog Number Product Name    
D68473 (2R,6R)-rel-tert-Butyl 4-(hydroxymethyl)-2,6-dimethyl-d6-piperidine-1-carboxylate Details Inquire
68472 (2R,6R)-rel-tert-Butyl 4-(hydroxymethyl)-2,6-dimethylpiperidine-1-carboxylate Details Inquire
98905 Ritiometan Details Inquire
18837 Ropivacaine HCl Details Inquire
D75073 Rotigotine-d7 Details Inquire
14860 Rufinamide Details Inquire
Aromatics and Derivatives: Aromatic Compounds
Catalog Number Product Name    
D30636 Rabeprazole-d3 Sulfide Details Inquire
30823 rac S 33138 Details Inquire
D30639 Racecadotril-d5 Details Inquire
26957 4-Hydroxy Ramelteon Details Inquire
26960 4-Hydroxy Ramelteon β-D-Glucuronide Details Inquire
D30659 Ramipril-d3 Details Inquire
D25145 Ramipril Benzyl Ester-d5 Details Inquire
30677 Ranolazine Bis(N-Oxide) Details Inquire
30678 Rapidosept Details Inquire
D30679 Rapidosept-d2 Details Inquire
30683 Ravuconazole Details Inquire
D30684 Ravuconazole-d4 Details Inquire
98843 Reactive Red 120 Details Inquire
98844 Reactive Violet 5 Details Inquire
D25158 rel-(2R,3R)-6-[α-(2-Ethoxy-d5-phenoxy)benzyl]morpholin-3-one Details Inquire
25157 rel-(2R,3R)-6-[α-(2-Ethoxyphenoxy)benzyl]morpholin-3-one Details Inquire
94969 rel-(3R,5S)-Fluvastatin Details Inquire
31982 rel-(R,R)-Voriconazole Details Inquire
31227 (1R,4S,4aR,9aS)-rel-1,4,4a,9a-Tetrahydro-4a-methyl-1,4-methanoanthracene-9,10-dione Details Inquire
D31228 (1R,4S,4aR,9aS)-rel-1,4,4a,9a-Tetrahydro-4a-methyl-1,4-methanoanthracene-9,10-dione-d8 Details Inquire
50156 (3S,5R)-rel-1-tert-Butyl 3-Methyl 5-(((Benzyloxy)carbonyl)amino)piperidine-1,3-dicarboxylate Details Inquire
20928 (2R,4R)-rel-2,4-Bis(2’,4’-difluorophenyl)-2,4-dihydroxypentane Details Inquire
57488 (2R,6S)-rel-2,6-Dimethyl-4-(2-methyl-3-phenylpropyl)morpholine HCl Details Inquire
90014 (R, R)-rel-2-Benzyloxycarbonyl-1-(tetrahydro-5-oxo-2-furanyl)-2(1H)-Isoquinoline Details Inquire
28558 (3R,4S)-rel-3-Methyl-N-phenyl-1-benzyl-4-piperidinamine Details Inquire
54166 rel-4-[(2R,3R)-4-(1,3-Benzodioxol-5-yl)-2,3-dimethylbutyl]-2-methoxyphenol Details Inquire
D54167 rel-4-[(2R,3R)-4-(1,3-Benzodioxol-5-yl)-2,3-dimethylbutyl]-2-methoxyphenol-d3 Details Inquire
50232 rel-trans-Chalcone Oxide Details Inquire
D50233 rel-trans-Chalcone Oxide-d10 Details Inquire
30895 rel-trans-Silandrin(Mixture of Diastereomers) Details Inquire
98849 Remacemide Hydrochloride Details Inquire
30689 (S)-Remoxipride HCl Details Inquire
D26959 3’-Hydroxy Repaglinide-d5(Mixture of Diastereomers) Details Inquire
98853 Reparixin Details Inquire
30693 Reserpine Details Inquire
D30694 Reserpine-d9 Details Inquire
C30695 Resorcinol-13C6 Details Inquire
30696 Resorufin Sodium Salt, 90% Details Inquire
C30710 trans Resveratrol-13C6 3-Sulfate Sodium Salt Details Inquire
C30706 trans-Resveratrol-13C6 4’-O-β-D-Glucuronide Details Inquire
30699 trans Resveratrol-3,4’,5-trisulfate Details Inquire
30716 cis Resveratrol 3,5-Diacetate Details Inquire
30697 trans Resveratrol-3,5-disulfate Details Inquire
30718 trans Resveratrol 3-O-β-D-glucopyranoside, 98% Details Inquire
30709 trans Resveratrol 3-Sulfate Sodium Salt Details Inquire
30705 trans-Resveratrol 4’-O-β-D-Glucuronide Details Inquire
30698 trans Resveratrol-4’-sulfate Details Inquire
30707 trans Resveratrol Penta-O-acetyl-3-β-D-glucuronide Methyl Ester Details Inquire
30708 trans Resveratrol Penta-O-acetyl-4’-β-D-glucuronide Methyl Ester Details Inquire
30717 cis Resveratrol Triacetate Details Inquire
D30748 Revaprazan-d3 HCl Details Inquire
30747 Revaprazan HCl Details Inquire
30759 rac-Rhododendrol Details Inquire
98896 Rilopirox Details Inquire
D98897 Rilopirox-d4 Details Inquire
D30780 Rilpivirine-d6 Details Inquire
61612 Rilpivirine N-glucuronide Details Inquire
D30781 Rimonabant-d10 Details Inquire
D61615 Riociguat-d3 Details Inquire
30786 Ritanserin Details Inquire
DN30790 Rizatriptan N10-Oxide-d6 Details Inquire
75223 Rizatriptan Impurity B Oxalate Details Inquire
26984 3-Hydroxy Ropivacaine Details Inquire
26985 4-Hydroxy Ropivacaine Details Inquire
30804 (3R,5R)-Rosuvastatin Details Inquire
30802 Rosuvastatin-3H Details Inquire
30807 Rosuvastatin Acyl-β-D-glucuronide Details Inquire
30809 ent-Rosuvastatin Acyl-β-D-glucuronide Details Inquire
30803 Rosuvastatin Allyl Ester Details Inquire
52967 (3S,5S)-Rosuvastatin Calcium Salt Details Inquire
30810 ent-Rosuvastatin Lactone Details Inquire
30805 ent-Rosuvastatin Sodium Salt Details Inquire
30806 ent-Rosuvastatin tert-Butyl Ester Details Inquire
30812 ent-Rotigotine Details Inquire
D30813 rac-Rotigotine-d3 Methyl Ether Details Inquire
D30814 rac-Rotigotine-d3 Methyl Ether Amide Details Inquire
30811 rac-Rotigotine HCl Details Inquire
D75071 Roxatidine-d10 Details Inquire
50047 ( RS)-3-Bromo Nornicotine Details Inquire
D61646 Rupatadine-d4 Fumarate Details Inquire
D30821 Rutin-d3 (Major) Details Inquire
Biochemicals & Reagents: Biochemicals and Reagents
Catalog Number Product Name    
30700 cis-Resveratrol Details Inquire
Carbohydrates and Derivatives: Carbohydrates and Derivatives Alphabetic Listing
Catalog Number Product Name    
30643 D-( )-Raffinose pentahydrate Details Inquire
30760 α-Ribavirin (Ribavirin Impurity B) Details Inquire
27422 Iso Ribavirin (Ribavirin Impurity G) Details Inquire
30761 Ribavirin 5’-Monophosphate, Dilithium Salt Details Inquire
30762 Ribavirin 5’-Triphosphate Details Inquire
30768 1-β-D-Ribofuranosyl-1,2,4-triazole-3-carboxylic Acid Methyl Ester(Ribavirin Impurity H) Details Inquire
30766 1-D-Ribofuranosyl-3-guanylurea(α/β-Mixture) Details Inquire
30770 β-D-Ribofuranuronic Acid Methyl Ester Triacetate Details Inquire
30771 D-Ribonolactone 2,3-Cyclohexyl Ketal Details Inquire
Catalysts: Catalyst Compounds
Catalog Number Product Name    
98934 Ruthenium(III) Chloride Details Inquire
Chiral Reagents: Chiral Reagents Alphabetic Listing
Catalog Number Product Name    
30637 (R)-Rabeprazole Details Inquire
D7693 racBrinzolamide-d5 Details Inquire
D75072 Ramosetron-d3 Details Inquire
30668 Ramosetron HCl Details Inquire
30682 Rasagiline N-β-D-Glucuronide Methyl Ester Details Inquire
30681 Rasagiline N-β-D-Glucuronide Sodium Salt, 90% Details Inquire
30680 Rasagiline tri-O-Acetyl-N-β-D-glucuronide Methyl Ester Details Inquire
92874 rel-(5R,6R)-5,6-Dibromo-1,10,11,12,13,13-hexachloro-11-tricyclo[8.2.1.02,9]tridecene Details Inquire
63835 (1R, 2S) - rel-1, 2-Cyclohexanedimethano l Details Inquire
64247 (2R,3S)-rel-2,3-Dibromo-1,4-butanediol Details Inquire
63414 (1S,2S,3R,4R)-rel-3-((tert-Butoxycarbonyl)amino)bicyclo[2.2.1]heptane-2-carboxylic Acid Details Inquire
65247 (2R,3S)-rel-3-Hexyl-2-oxiranenonanoic acid methyl ester Details Inquire
D65248 (2R,3S)-rel-3-Hexyl-2-oxiranenonanoic acid methyl ester-d3 Details Inquire
64915 (1R,5S,6R)-rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Ethyl Ester Details Inquire
63890 (1R,2R)-rel-trans-1,2-Cyclopentanediol Details Inquire
66953 Riboflavin 3’,4’-Diphosphate Details Inquire
66954 Riboflavin 3’,5’-Diphosphate Details Inquire
66955 Riboflavin 4’,5’-Diphosphate Details Inquire
D30775 Rifabutin-d6 Details Inquire
CD75068 Rifampicin-13C,d3 Details Inquire
30776 Rifamycin B Details Inquire
30777 Rifamycin SV Sodium Details Inquire
30778 Rifaximin Details Inquire
26979 Hydroxy Ritonavir Details Inquire
D30787 Rivaroxaban-d4 Details Inquire
30788 Rivaroxaban Diol(Mixture of Diastereomers) Details Inquire
D30801 Ropivacaine-d7 HCl Details Inquire
D30815 Roxithromycin-d7 Details Inquire
30817 RS 79948-197 Details Inquire
30818 Rubiginone B2 Details Inquire
Chiral Reagents: Miscellaneous Reagents
Catalog Number Product Name    
98841 Reactive Blue 21 Details Inquire
67812 (3R,4R)-rel-3-Amino-4-methoxy-1-pyrrolidinecarboxylic Acid 1,1-Dimethylethyl Ester Details Inquire
Glucuronides: Glucuronides Labeled and Unlabeled
Catalog Number Product Name    
D30645 Raloxifene-d4 6,4’-Bis-β-D-glucuronide Details Inquire
D30647 Raloxifene-d4 6,4’-Bis(2,3,4,6-tetra-O-acetyl-β-D-glucuronide Methyl Ester) Details Inquire
30644 Raloxifene 6,4’-Bis-β-D-glucuronide Details Inquire
30646 Raloxifene 6,4’-Bis(2,3,4,6-tetra-O-acetyl-β-D-glucuronide Methyl Ester) Details Inquire
D30651 Raltegravir-d3 β-D-Glucuronide Details Inquire
30654 Raltegravir 2,3,4-Tri-O-acetyl-β-D-glucuronide Methyl Ester Details Inquire
D30655 Raltegravir 2,3,4-Tri-O-acetyl-β-D-glucuronide Methyl Ester-d3 Details Inquire
30650 Raltegravir β-D-Glucuronide Details Inquire
30652 Raltegravir β-D-Glucuronide Methyl Ester Details Inquire
D30653 Raltegravir β-D-Glucuronide Methyl Ester-d3 Details Inquire
D30661 Ramipril-d5 Acyl-β-D-glucuronide Details Inquire
30660 Ramipril Acyl-β-D-glucuronide, ~ 80% By HPLC Details Inquire
D30665 Ramiprilat-d5 Acyl-β-D-glucuronide Details Inquire
30664 Ramiprilat Acyl-β-D-glucuronide Details Inquire
30676 Ranolazine β-D-glucuronide Details Inquire
30691 Repaglinide Acyl-β-D-glucuronide Benzyl Ester Details Inquire
30714 cis Resveratrol 3-O-β-D-Glucuronide Methyl Ester Details Inquire
30715 cis Resveratrol 4’-O-β-D-Glucuronide Methyl Ester Details Inquire
30711 cis Resveratrol Penta-O-acetyl-4’-β-D-glucuronide Methyl Ester Details Inquire
30741 13-cis Retinoyl β-D-Glucuronide, >85% By HPLC Details Inquire
30740 all-trans Retinoyl β-D-Glucuronide, >85% By HPLC Details Inquire
30755 Rhein 8-β-D-Glucuronide Details Inquire
30754 Rhein Acyl-β-D-glucuronide Details Inquire
30756 Rhein Disulfate Details Inquire
26987 5-Hydroxy Rosiglitazone β-D-Glucuronide (mixture of diastereomers) Details Inquire
D30808 Rosuvastatin-d6 Acyl-β-D-glucuronide Details Inquire
Glycerol: Glycerol
Catalog Number Product Name    
30742 9-cis-Retinyl Oleate Details Inquire
D66946 9-cis-Retinyl Oleate-d17 Details Inquire
30743 9-cis-Retinyl Palmitate Details Inquire
D66948 9-cis-Retinyl Palmitate-d5 Details Inquire
30744 9-cis-Retinyl Stearate Details Inquire
D30745 9-cis-Retinyl Stearate-d5 Details Inquire
Heterocycles: Heterocyclic Compounds
Catalog Number Product Name    
19792 ( R/S)-4-(Aminomethyl)-3-pyrrolidinone O-Methyloxime Dichloride Details Inquire
30673 Ranitidine N-Oxide Details Inquire
30675 Ranitidine-N,S-dioxide Details Inquire
30674 Ranitidine S-Oxide Details Inquire
20958 (3R,4R)-rel-3,4-Bis(iodomethyl)-2,2,5,5-tetramethyl-1-pyrrolidinyloxy Details Inquire
62931 (1R,4S)-rel-4-Amino-1,2,3,4-tetrahydro-3-oxo-1-isoquinolinecarboxylic Acid HBr Details Inquire
65212 (3aR,6aR)-rel-Hexahydro-4-oxo-pyrrolo[3,4-c]pyrrole-2(1H)-carboxylic Acid 1,1-Dimethylethyl Ester Details Inquire
98877 D-Ribal Details Inquire
26968 N-Hydroxy Riluzole Details Inquire
30782 Risedronic Acid Monoethyl Ester Details Inquire
30785 Risperidone Carboxylate Impurity Details Inquire
30783 Risperidone N-Oxide Details Inquire
30784 Risperidone Pyrimidinone-N-oxide(Risperidone impurity) Details Inquire
30789 Rivaroxaban Hydroxyoxazalone Metabolite(Mixture of Diastereomers) Details Inquire
26980 3-Hydroxy Rivaroxaban(Mixture of 4 Diastereomers) Details Inquire
30791 Rizatriptan 2,2-Dimer Details Inquire
30793 Rocuronium Bromide N-Oxide Details Inquire
30795 Roflumilast N-Oxide Details Inquire
Impurities and Metabolites: Chemical Impurities
Catalog Number Product Name    
30746 all-trans-Retro Retinol Details Inquire
Impurities and Metabolites: Metabolites and Impurities
Catalog Number Product Name    
D30635 Rabeprazole Sulfone-d3 Details Inquire
30662 Ramipril Diketopiperazine Details Inquire
30666 Ramiprilat Diketopiperazine Details Inquire
D30667 Ramiprilat Diketopiperazine-d5 Details Inquire
30690 Repaglinide Acyl-β-D-glucuronide Details Inquire
26970 3’-Hydroxy Repaglinide Ethyl Ester(Mixture of Diastereomers) Details Inquire
26958 3’-Hydroxy Repaglinide(Mixture of Diastereomers) Details Inquire
D72265 9-cis,13-cis-Retinol-d5 Details Inquire
CN26969 N-Hydroxy Riluzole-13C,15N2 Details Inquire
74501 Roflumilast Impurity B Details Inquire
Inhibitors: All Inhibitors
Catalog Number Product Name    
22800 ( R/S)-N-Deacetyl Colchiceine Details Inquire
22801 ( R/S)-N-Deacetyl Colchiceine N-Trifluroracetate Details Inquire
14815 Racecadotril Details Inquire
30649 Raltegravir-3H Details Inquire
14866 Raltegravir Intermediates Details Inquire
D30663 Ramiprilat-d3 Details Inquire
D30670 Ranitidine-d6 HCl (N,N-dimethyl-d6) Details Inquire
14834 Rasagiline Details Inquire
C30703 trans-Resveratrol-13C6 3-O-β-D-Glucuronide Details Inquire
30702 trans-Resveratrol 3-O-β-D-Glucuronide Details Inquire
30701 cis Resveratrol 3-O-β-D-Glucuronide (contains up to 15% trans isomer) Details Inquire
30704 cis Resveratrol 4’-O-β-D-Glucuronide Details Inquire
D30794 Roflumilast-d4 (cyclopropyl-2,2,3,3-d4) Details Inquire
D75062 Rosuvastatin-d4 Sodium Salt Details Inquire
Intermediates: Various Intermediates
Catalog Number Product Name    
D30672 Ranitidine-d6 Impurity B Details Inquire
30730 11-cis Retinoic Acid Methyl Ester Details Inquire
Labels, Dyes, Stains and Indicators: Labels, Dyes, Stains and Indicators
Catalog Number Product Name    
C30757 Rhodamine-123 5-C2-Maleimide Sulfate Salt Details Inquire
C30758 Rhodamine-123 6-C2-Maleimide Sulfate Salt Details Inquire
Metal Isotopes: Metal Isotopes Alphabetical Listing
Catalog Number Product Name    
1638 Rhenium 185 Details Inquire
1639 Rhenium 187 Details Inquire
1640 Rubidium 85 Details Inquire
1641 Rubidium 87 Details Inquire
1722 Rubidium-87 Metal Details Inquire
1642 Ruthenium 98 Details Inquire
1643 Ruthenium 99 Details Inquire
1644 Ruthenium 100 Details Inquire
1645 Ruthenium 101 Details Inquire
1646 Ruthenium 102 Details Inquire
1647 Ruthenium 104 Details Inquire
Neurochemicals: Neurochemical Compounds
Catalog Number Product Name    
18848 Rosiglitazone Details Inquire
D26986 5-Hydroxy Rosiglitazone-d4 Details Inquire
NEW: Discontinued
Catalog Number Product Name    
86735 13-cis-Retinoic acid disc 10/25/16 dupe of 13377 Details Inquire
Nucleic Acids - 13C, 2H, 15N: Ribonucleosides- Double Labeled with 13C,15N
Catalog Number Product Name    
17248 RNA-Standard -13C,15N Details Inquire
Nucleic Acids - 13C, 2H, 15N: Ribonucleosides- 15N
Catalog Number Product Name    
17247 RNA-Standard -15N Details Inquire
Nucleotides and Nucleosides: Nucleotides and Nucleosides Alphabetic Listing
Catalog Number Product Name    
98831 Raluridine Details Inquire
D30687 Regadenoson-d3 Details Inquire
30767 1-(β-D-Ribofuranosyl)-5-nitropyrine-2(1H)-one Details Inquire
30769 4-(β-D-Ribofuranosyl)-vic-triazolo[4,5-β]pyridin-5-one Details Inquire
Other Research Compounds: Research Compounds
Catalog Number Product Name    
93419 20-( R/S)-20,22-Dihydrodigoxigenin Monodigitoxoside (3:1) Details Inquire
D26085 ( R/S)-delta-Hexalactone-d6 Details Inquire
73579 R428 Details Inquire
98825 R401553 Details Inquire
98826 R402173 Details Inquire
38351 rac-6-Methyl-4-phenyl-2-chromanol (Tolterodine Impurity) Details Inquire
C37562 rac Kynurenine-13C2, 15N Details Inquire
33167 racemic Efavirenz Details Inquire
D98827 Ractopamine-d5 Hydrochloride Details Inquire
D98829 D-(+)-Raffinose-d6 Details Inquire
C98828 D-(+)-Raffinose-13C6 Details Inquire
98830 Raloxifene Dimesylate Details Inquire
98834 cis-Ranitidine Details Inquire
D33331 Ranolazine-d8 Details Inquire
98836 Rapamycin 31,42-Bis(2,2,5-trimethyl-1,3-dioxane-5-carboxylate) Details Inquire
D98837 Rapamycin 31,42-Bis(2,2,5-trimethyl-1,3-dioxane-5-carboxylate)-d3 Details Inquire
98838 Rapamycin Dialdehyde Details Inquire
98840 RBC8 Details Inquire
98845 Rebastinib Details Inquire
98846 Rebeccamycin Details Inquire
D98848 (S,S)-Reboxetine-d5 Details Inquire
33748 Reboxetine Mesylate Details Inquire
98201 Para Red Details Inquire
D34863 Regorafenib-d3 Details Inquire
97906 (5R,11S,13S)-rel-(+)-5,6,7,8,9,10,11,12-Octahydro-3-methoxy-5-methyl-5,11-methanobenzocyclodecen-13-amine L-Tartaric Acid Details Inquire
D89762 rel-(1S,3R)-Benazepril-d5 Hydrochloride Details Inquire
89763 rel-(1S,3S)-Benazepril Hydrochloride Details Inquire
D89764 rel-(1S,3S)-Benazepril Hydrochloride-d5 Details Inquire
97680 rel-(S,R,S,S)-Nebivolol Hydrochloride Details Inquire
93445 (2R,3R)-rel-2,3-Dihydroxy-2-methylbutanoic Acid Details Inquire
93446 (2R,3S)-rel-2,3-Dihydroxy-2-methylbutanoic Acid Details Inquire
99391 (3aR,4S,7R,7aS)-rel-3a,4,7,7a-Tetrahydro-4-methyl-4,7-epoxyisobenzofuran-1,3-dione Details Inquire
89017 (1R,4R)-rel-4-Amino-2-cyclopentene-1-carboxylic Acid Methyl Ester Hydrochloride Details Inquire
97111 (2R,4S)-rel-4-Methyl-1,2-piperidinedicarboxylic Acid 1-(1,1-Dimethylethyl) Ester Details Inquire
94715 (1S,4S)-rel-Ethylsertraline Hydrochloride Details Inquire
93878 (3R,4R)-rel-N,4-Dimethyl-1-(phenylmethyl)-3-piperidinamine Dihydrochloride Details Inquire
96906 rel-N-[(1R,2R)-1-[[(3-Methoxypropyl)amino]carbonyl]-2-methylbutyl]-carbamic Acid Phenylmethyl Ester Details Inquire
97247 rel-N-[(1R,2R)-2-Methyl-1-[[(1-methylethyl)amino]carbonyl]butyl]-carbamic Acid Phenylmethyl Ester Details Inquire
95645 rel-N-[(1R,4R)-4-(Hydroxymethyl)-2-cyclopenten-1-yl]carbamic Acid 1,1-Dimethylethyl Ester Details Inquire
93725 rel-trans-2,5-Dimethyltetrahydrofuran Details Inquire
D34150 Repaglinide M1-d5 Details Inquire
98851 Repaglinide N-Oxide Details Inquire
98852 Repinotan Hydrochloride Details Inquire
98861 Rescinnamine Details Inquire
D98857 Resiquimod-d5 Details Inquire
D33129 Resolvin D2-d5 Details Inquire
D98855 Resolvin d1 Details Inquire
D98862 7(S),17(S)-Resolvin d5 Details Inquire
D98860 Resolvin D1 Methyl Ester Details Inquire
98863 Resolvin E1Please see R144690 Details Inquire
98854 O-Resorufinyl (Di-lauryl)glyceryl Glutarate Details Inquire
D98864 Resveratrol-d4 Details Inquire
C30713 Resveratrol-13C6 Trimethyl Ether Details Inquire
98870 Retinoyl Chloride Details Inquire
D98873 Retinyl Palmitate-d31 Details Inquire
98871 all-trans-Retinylamine Fumarate Details Inquire
98875 Reversine Details Inquire
33607 Ribavirin 5’-monophosphate, diammonium salt Details Inquire
98883 Ribosamine Details Inquire
C98888 D-Ribose-1,3-13C2 Details Inquire
C98889 D-Ribose-1,5-13C2 Details Inquire
C98890 D-Ribose-2,5-13C2 Details Inquire
C98885 D-Ribose-2-13C Details Inquire
C98886 D-Ribose-3-13C Details Inquire
C98887 D-Ribose-5-13C Details Inquire
98891 RIDK34 Details Inquire
98892 Ridogrel Details Inquire
73562 Rilpivirine Z isomer hydrochloride Details Inquire
98900 Riluzole 5-Trifluoromethoxy Isomer Details Inquire
D98901 Riociguat-d6 Details Inquire
98902 Risedronic Acid N-Oxide Details Inquire
98908 4-epi-Ritonavir Details Inquire
D98909 4-epi-Ritonavir-d6 Details Inquire
O98906 Ritonavir O- β-D-Glucuronide Details Inquire
O98907 Ritonavir O-Sulfate Details Inquire
D98911 ent-Rivaroxaban-d4 Details Inquire
98913 Rivaroxaban Diamide Details Inquire
34792 Rizatriptan benzoate salt Details Inquire
98916 Rizatriptan N-Methylsulfonamide Details Inquire
98893 RK 20448-Trihydrochloride Details Inquire
D98894 RK 20448-Trihydrochloride-d3 Details Inquire
98917 RN 486 Details Inquire
98923 Ro 90-7501 Details Inquire
98918 RO 2433 Dibenzoate Details Inquire
98919 RO-3306 Details Inquire
98925 Rosiglitazone N-(2-Succinic Acid) Details Inquire
98926 Rosoxacin Potassium Salt Details Inquire
98928 rac-anti-Rosuvastatin Details Inquire
98929 rac-Rosuvastatin Sodium Salt (Mixture: R700515 and Sodium Salt of R700500) Details Inquire
98930 Rottlerin Details Inquire
98931 RPL 554 Details Inquire
93418 ( RS)-20,22-Dihydrodigoxigenin Details Inquire
98933 RU-SKI 43 Details Inquire
98920 Rubrosteron Details Inquire
98932 Rumenic Acid Details Inquire
98935 Ruthenium(III) Chloride Hydrate Details Inquire
98937 Ruxolitinib-alkyne Details Inquire
98938 Ruxolitinib-azide Details Inquire
Reference Standards: Labeled Reference Standards
Catalog Number Product Name    
D76190 (+/-)-Racemic Ramosetron-d3 HCl Details Inquire
D30669 (R)-Ramosetron-d3 HCl Details Inquire
Reference Standards: Pharmaceutical Reference Standards
Catalog Number Product Name    
30638 Rabeprazole Sulfide N-Oxide Details Inquire
D30640 Ractopamine-d6 HCl Details Inquire
D30641 Ractopamine-d6 Ketone HCl Details Inquire
30642 Ractopamine Methyl Ether Details Inquire
30648 Raloxifene N-Oxide Details Inquire
30656 Ramatroban Details Inquire
30685 Reduced Haloperidol Details Inquire
D30686 Reduced Haloperidol-d4 Details Inquire
23639 (1S,4R)-rel-4-[(2,5-Diamino-6-chloro-4-pyrimidinyl)amino]-2-cyclopentene-1-methanol Details Inquire
30712 Resveratrol Trimethyl Ether Details Inquire
30731 11-cis,13-cis-Retinoic Acid Details Inquire
30732 13-cis Retinoic Acid Ethyl Ester Details Inquire
30738 13-cis-Retinonitrile Details Inquire
30736 all-trans-Retinonitrile Details Inquire
30772 Rimexolone Details Inquire
Reference Standards: Unlabeled Reference Standards
Catalog Number Product Name    
85730 Racemic-Desmethyl Rabeprazole Sodium Salt Details Inquire
O85729 Racemic-O-Desmethyl Rabeprazole Impurity Details Inquire
85902 (S)-Ramosetron Details Inquire
85504 (R,R)-Reboxetine Details Inquire
D85506 (R,R)-Reboxetine-d5 Details Inquire
D85505 (S,S)-Reboxetine-d5 Details Inquire
86736 9-cis-Retinoic acid glucuronide Details Inquire
CD76188 9-cis,13-cis Retinoic acid-13C,d3 Details Inquire
D98872 9-cis-Retinyl-d5 linoleate Details Inquire
85767 Ritonavir impurity B (Monoacyl Valine) Hydrochloride Details Inquire
85777 Ritonavir Impurity G (Hydroperoxide Impurity) Details Inquire
4888 Rivastigmine Details Inquire
D85457 (R)-Rivastigmine (Rivastigmine EP Impurity D) Details Inquire
74345 Rivastigmine Metabolite Details Inquire
52958 (S)-Ropivacaine N-isopropyl Details Inquire
85538 (3R,5R)-Rosuvastatin Methyl Ester Details Inquire
85543 (3S,5R)-Rosuvastatin methyl ester Details Inquire
85544 (3S,5S)-Rosuvastatin Methyl Ester Details Inquire
85533 (3S,5R)-Rosuvastatin sodium salt Details Inquire
85537 (3S,5S)-Rosuvastatin sodium salt Details Inquire
85553 (S)-Ruxolitinib Details Inquire
Retinoids: Retinoids Alphabetic Listing
Catalog Number Product Name    
C30722 9-cis-Retinal-14,15-13C2 Details Inquire
D30723 11-cis-Retinal-d5 Details Inquire
C30724 13-cis-Retinal-14,15-13C2 Details Inquire
C30726 all-trans-Retinal-14,15-13C2 Details Inquire
D30725 all-trans-Retinal-d5 Details Inquire
D30727 9-cis Retinoic Acid-d5 Details Inquire
D30729 11-cis Retinoic Acid-d5 Details Inquire
D98867 13-cis-Retinoic Acid-d5 Details Inquire
D30733 13-cis Retinoic Acid-d5 Ethyl Ester Details Inquire
D22431 13-cis Retinoic Acid-d5 Methyl Ester Details Inquire
D26966 rac 4-Hydroxy-9-cis-retinoic Acid-d3 Details Inquire
D26962 rac all-trans 4-Hydroxy Retinoic Acid-d3 Details Inquire
30728 9-cis Retinoic Acid Methyl Ester Details Inquire
22430 13-cis Retinoic Acid Methyl Ester Details Inquire
D30735 9-cis Retinol Acetate-d5 Details Inquire
C30739 13-cis-Retinonitrile-13C2 Details Inquire
C30737 all-trans-Retinonitrile-14,15-13C2 Details Inquire
Steroids & Hormones: Unlabeled Steroids and Hormones
Catalog Number Product Name    
32086 RU58841 Details Inquire
Sugars: Sugars Alphabetical Listing
Catalog Number Product Name    
33675 D-(+)-Raffinose pentahydrate Details Inquire
18149 D-ribose Details Inquire
Vitamins: Vitamin A
Catalog Number Product Name    
86734 13-cis-Retinoic acid glucuronide Details Inquire
Vitamins: Vitamin B
Catalog Number Product Name    
CN30765 Riboflavin-13C,15N2 Details Inquire
D75074 Riboflavin-d6 Details Inquire
30764 Riboflavin Phosphate Sodium Salt Details Inquire
Vitamins: Vitamins - Labeled & Unlabeled
Catalog Number Product Name    
D108637 Retinol 19,19,19,20,20,20-d6 Details Inquire