| No. | CAS # | Product Names | Molecular Formula |
| 1 | 90729-43-4 | Ebastine | C32H39NO2 |
| 2 | 60940-34-3 | Ebselen | C13H9NOSe |
| 3 | 86408-72-2 | Ecabet sodium | C20H27NaO5S |
| 4 | 90028-20-9 | Echinacea purpurea | |
| 5 | 27220-47-9 | Econazole | C18H15Cl3N2O |
| 6 | 89-25-8 | Edaravone | C10H10N2O |
| 7 | 60-00-4 | edetic acid | C10H16N2O8 |
| 8 | 70050-56-5 | Eflornithine | C6H12F2N2O2 |
| 9 | 143664-11-3 | Elacridar | C34H33N3O5 |
| 10 | 9004-06-2 | Elastase | |
| 11 | 60731-46-6 | Elcatonin | C148H244N42O47 |
| 12 | 69-25-0 | Eledoisin | C54H85N13O15S |
| 13 | 143322-58-1 | Eletriptan | C22H26N2O2S |
| 14 | 476-66-4 | Ellagic acid | C14H6O8 |
| 15 | 128-20-1 | Eltanolone | C21H34O2 |
| 16 | 155569-91-8 | Emamectin benzoate | C49H75NO13.C7H6O2；C48H73NO13.C7H6O2 |
| 17 | 119791-41-2 | Emamectin | C49H75NO13;C48H73NO13 |
| 18 | 12415-34-8 | emery;emery(containing less than;emery(containing less than 1% quartz);emery(containinglessthan1%quartz | |
| 19 | 54406-48-3 | Empenthrin | C18H26O2 |
| 20 | 143491-57-0 | Emtricitabine | C8H10FN3O3S |
| 21 | 000000-00-0 | Emulsifier OP | RC6H4O（CH2CH2O）nH |
| 22 | 75847-73-3 | Enalapril | C20H28N2O5 |
| 23 | 159519-65-0 | Enfuvirtide | C204H301N51O64 |
| 24 | 471-53-4 | Enoxolone | C30H46O4 |
| 25 | 93106-60-6 | Enrofloxacin | C19H22FN3O3 |
| 26 | 209216-23-9 | Entecavir hydrate | C12H15N5O3.H2O |
| 27 | 142217-69-4 | Entecavir | C12H15N5O3 |
| 28 | 82159-09-9 | Epalrestat | C15H13NO3S2 |
| 29 | 56839-43-1 | Eperisone hydrochloride | C17H26ClNO |
| 30 | 50906-05-3 | Ephedrine hemihydrate | 2(C10H15NO).H2O |
| 31 | 50-98-6 | Ephedrine hydrochloride | C10H15NO.HCl |
| 32 | 78821-43-9 | Epibrassinolide | C28H48O6 |
| 33 | 127786-29-2 | Epinastine hydrobromide | C16H15N3.HBr |
| 34 | 80012-43-7 | Epinastine | C16H15N3 |
| 35 | 18694-40-1 | Epirizole | C11H14N4O2 |
| 36 | 107724-20-9 | Eplerenone | C24H30O6 |
| 37 | 135319-73-2 | Epoxiconazole | C17H13C1FN3O |
| 38 | 106325-08-0 | Epoxiconazol | C17H13ClFN3O |
| 39 | 16052-06-5 | EPPS | C9H20N2O4S |
| 40 | 10402-90-1 | Eprazinone | C24H32N2O2 |
| 41 | 119169-78-7 | Epristeride | C25H37NO3 |
| 42 | 144143-96-4 | Eprosartan mesylate | C23H24N2O4S.CH4O3S |
| 43 | 502-44-3 | EPSILON-CAPROLACTONE | |
| 44 | 146665-77-2 | Eptaplatin | C11H20N2O6Pt |
| 45 | 188627-80-7 | Eptifibatide | C35H49N11O9S2 |
| 46 | 759-94-4 | Eradicane | C9H19NOS |
| 47 | 84611-23-4 | Erdosteine | C8H11NO4S2 |
| 48 | 50-14-6 | ergocalciferol | C28H44O |
| 49 | 57-87-4 | Ergosterol | C28H44O |
| 50 | 1787-61-7 | Eriochrome Black T | C20H12N3NaO7S |