| No. | CAS # | Product Names | Molecular Formula |
| 1 | 1200-22-2 | R-(+)-alpha-Lipoic acid | C8H14O2S2 |
| 2 | 119365-69-4 | R-(+)-Dihydrolipoic acid | C8H16O2S2 |
| 3 | 112101-81-2 | R-(-)-5-(2-Amino-propyl)-2-methoxy-benzenesulfonamide | C10H16N2O3S |
| 4 | 14358-90-8 | R-alpha-Lipoic acid tromethamine salt | C8H14O2S2.C4H11NO3;C12H25NO5S2 |
| 5 | 54417-53-7 | R-Tetrahydropapaverine | C20H25NO4 |
| 6 | 117976-89-3 | Rabeprazole | C18H21N3O3S |
| 7 | 97825-25-7 | Ractopamine hydrochloride | C18H23NO3.HCl |
| 8 | 22662-39-1 | Rafoxanide | C19H11Cl2I2NO3 |
| 9 | 82640-04-8 | Raloxifene hydrochloride | C28H27NO4S.HCl;C28H28ClNO4S |
| 10 | 84449-90-1 | Raloxifene | C28H27NO4S |
| 11 | 116649-85-5 | Ramatroban | C21H21FN2O4S |
| 12 | 87333-19-5 | Ramipril | C23H32N2O5 |
| 13 | 71130-06-8 | Ranitidine hydrochloride | C13H22N4O3S |
| 14 | 95635-56-6 | Ranolazine dihydrochloride | C24H33N3O4.2(HCl) |
| 15 | 95635-55-5 | Ranolazine | C24H33N3O4 |
| 16 | 8002-13-9 | Rapeseed Oil | |
| 17 | 000000-00-0 | Re-dispersible emulsion powder | |
| 18 | 117976-90-6 | Rebeprazole sodium | C18H20N3NaO3S |
| 19 | 98769-81-4 | Reboxetine | C19H23NO3 |
| 20 | 000000-00-0 | Reductive cleaner | |
| 21 | 00000-00-0 | Refined Fish Oil | |
| 22 | 108-46-3 | Resorcinol | C6H6O2 |
| 23 | 9068-38-6 | reverse transcriptase | |
| 24 | 478-43-3 | Rhein | C15H8O6 |
| 25 | 5718-83-2 | Rhodanine-3-acetic acid | C5H5NO3S2 |
| 26 | 141-84-4 | Rhodanine | C3H3NOS2 |
| 27 | 20765-98-4 | Rhodium (III) chloride trihydrate | |
| 28 | 13569-65-8 | Rhodium chloride trihydrate | |
| 29 | 10049-07-7 | Rhodium trichloride | |
| 30 | 15956-28-2 | Rhodium(II) acetate dimer | C8H12O8Rh2 |
| 31 | 31126-95-1 | Rhodium(II) trifluoroacetate dimer | C8F12O8Rh2 |
| 32 | 14284-92-5 | Rhodium(III) 2,4-pentanedionate | C15H21O6Rh |
| 33 | 10139-58-9 | Rhodium(III) nitrate | |
| 34 | 10489-46-0 | Rhodium(III) sulfate | |
| 35 | 87-03-6 | Rhoduline acid | C20H15NO8S2 |
| 36 | 130-40-5 | riboflavin 5'-(sodium hydrogen phosphate) | C17H20N4NaO9P |
| 37 | 83-88-5 | riboflavin | C17H20N4O6 |
| 38 | 24259-59-4 | Ribose | C5H10O5 |
| 39 | 1463-10-1 | Ribosylthymine | C10H14N2O6 |
| 40 | 13553-79-2 | Rifamycin S | C37H45NO12 |
| 41 | 85409-38-7 | Rilmenidine phosphate | C10H16N2O.H3O4P |
| 42 | 1744-22-5 | Riluzole | C8H5F3N2OS |
| 43 | 1501-84-4 | Rimantadine hydrochloride | C12H21N.HCl;C12H22ClN |
| 44 | 158681-13-1 | Rimonabant hydrochloride | C22H21Cl3N4O.HCl |
| 45 | 122931-48-0 | Rimsulfuron | C14H17N5O7S2 |
| 46 | 106266-06-2 | Risperidal | C23H27FN4O2 |
| 47 | 19395-41-6 | Ritalinic acid | C13H17NO2 |
| 48 | 23239-51-2 | Ritodrine hydrochloride | C17H21NO3.HCl |
| 49 | 155213-67-5 | Ritonavir | C37H48N6O5S2 |
| 50 | 145202-66-0 | Rizatriptan benzoate | C15H19N5.C7H6O2 |