| No. | CAS # | Product Names | Molecular Formula |
| 451 | 2243-76-7 | Mordant Orange 1 | C13H9N3O5 |
| 452 | 52-56-6 | Morphine Hiddrochloride | |
| 453 | 6211-15-0 | Morphine Sulphate | |
| 454 | 13752-51-7 | Morpholin-4-yl morpholine-4-carbodithioate | C9H16N2O2S2 |
| 455 | 4856-95-5 | Morpholineborane | C4H12BNO |
| 456 | 110-91-8 | morpholine | C4H9NO |
| 457 | 112885-42-4 | Mosapride citrate | C21H25ClFN3O3.C6H8O7;C27H33ClFN3O10 |
| 458 | 112885-41-3 | Mosapride | C21H25ClFN3O3 |
| 459 | 186826-86-8 | Moxifloxacin hydrochloride | C21H24FN3O4.HCl |
| 460 | 151096-09-2 | Moxifloxacin | C21H24FN3O4 |
| 461 | 488-11-9 | Mucobromic acid | C4H2Br2O3 |
| 462 | 87-56-9 | Mucochloric acid | C4H2Cl2O3 |
| 463 | 90064-10-1 | Mucuna Pruriens Powder Extract | |
| 464 | 88671-89-0 | Myclobutanil | C15H17ClN4 |
| 465 | 115007-34-6 | Mycophenolate mofetil | C23H31NO7 |
| 466 | 24280-93-1 | Mycophenolic acid | C17H20O6 |
| 467 | 529-44-2 | Myricetin | C15H10O8 |
| 468 | 17912-87-7 | Myricitrin | C21H20O12 |
| 469 | 544-63-8 | myristic acid | C14H28O2 |
| 470 | 112-72-1 | Myristyl Alcohol | C14H30O |