| No. | CAS # | Product Names | Molecular Formula |
| 1 | 50847-11-5 | Ibudilast | C14H18N2O |
| 2 | 57469-77-9 | Ibuprofen lysine | C13H18O2.C6H14N2O2 |
| 3 | 15687-27-1 | ibuprofen | C13H18O2 |
| 4 | 122647-32-9 | Ibutilide fumarate | C20H36N2O3S.C4H4O4 |
| 5 | 489-32-7 | Icariin | C33H40O15 |
| 6 | 506-32-1 | icosa-5,8,11,14-tetraenoic acid | C20H32O2 |
| 7 | 57852-57-0 | Idarubicin hydrochloride | C26H27NO9.HCl |
| 8 | 58186-27-9 | Idebenone | C19H30O5 |
| 9 | 152459-95-5 | Imatinib mesylate | C29H31N7O.CH4O3S |
| 10 | 220127-57-1 | Imatinib mesylate | C29H31N7O.CH4O3S |
| 11 | 104098-48-8 | Imazameth | C14H17N3O3 |
| 12 | 81335-77-5 | Imazethapyr | C15H19N3O3 |
| 13 | 122548-33-8 | Imazosulfuron | C14H13ClN6O5S |
| 14 | 138261-41-3 | Imidacloprid | C9H10ClN5O2 |
| 15 | 89371-37-9 | Imidapril | C20H27N3O6 |
| 16 | 22884-10-2 | Imidazol-1-yl-acetic acid | C5H6N2O2 |
| 17 | 288-32-4 | Imidazole | C3H4N2 |
| 18 | 120614-25-7 | Imidazo[1,2-a]indol-9-one | C10H6N2O |
| 19 | 766-55-2 | Imidazo[1,2-b]pyridazine | C6H5N3 |
| 20 | 27885-92-3 | Imidocarb | C19H20N6O |
| 21 | 39236-46-9 | Imidurea | C11H16N8O8 |
| 22 | 628-87-5 | Iminodiacetonitrile | C4H5N3 |
| 23 | 33948-19-5 | Iminodibenzylcarbonyl chloride | C15H12ClNO |
| 24 | 494-19-9 | Iminodibenzyl | C14H13N |
| 25 | 256-96-2 | Iminostilbene | C14H11N |
| 26 | 64221-86-9 | Imipenem | C12H17N3O4S |
| 27 | 72963-72-5 | Imiprothrin | C17H22N2O4 |
| 28 | 99011-02-6 | Imiquimod | C14H16N4 |
| 29 | 482-44-0 | Imperatorin | C16H14O4 |
| 30 | 26807-65-8 | Indapamide | C16H16ClN3O3S |
| 31 | 4498-67-3 | Indazole-3-carboxylic acid | C8H6N2O2 |
| 32 | 95-13-6 | Indene | C9H8 |
| 33 | 482-89-3 | Indigo | C16H10N2O2 |
| 34 | 157810-81-6 | Indinavir sulfate | C36H47N5O4.H2SO4 |
| 35 | 150378-17-9 | Indinavir | C36H47N5O4 |
| 36 | 479-41-4 | Indirubin | C16H10N2O2 |
| 37 | 13465-14-0 | Indium nitrate hydrate | |
| 38 | 1312-43-2 | Indium oxide | |
| 39 | 13464-82-9 | Indium sulfate | In2.(SO4)3 |
| 40 | 87-51-4 | indol-3-ylacetic acid | C10H9NO2 |
| 41 | 1477-50-5 | Indole-2-carboxylic acid | C9H7NO2 |
| 42 | 1201-26-9 | Indole-3-acetone | C11H11NO |
| 43 | 700-06-1 | Indole-3-carbinol | C9H9NO |
| 44 | 487-89-8 | Indole-3-carboxaldehyde | C9H7NO |
| 45 | 2124-55-2 | Indole-4-carboxylic acid | C9H7NO2 |
| 46 | 1670-81-1 | Indole-5-carboxylic acid | C9H7NO2 |
| 47 | 1196-70-9 | Indole-6-carboxaldehyde | C9H7NO |
| 48 | 1670-82-2 | Indole-6-carboxylic acid | C9H7NO2 |
| 49 | 120-72-9 | Indole | C8H7N |
| 50 | 39891-70-8 | Indoline-3-carboxylic acid | C9H9NO2 |