| No. | CAS # | Product Names | Molecular Formula |
| 1 | 11138-66-2 | Xanthan gum | (C35H49O29)n |
| 2 | 437-74-1 | Xanthinol nicotinate | C13H21N5O4.C6H5NO2 |
| 3 | 6754-58-1 | Xanthohumol | C21H22O5 |
| 4 | 000000-00-0 | xxxxxxxxxx | |
| 5 | 1330-20-7 | xylene | C8H10 |
| 6 | 87-99-0 | Xylitol | C5H12O5 |
| 7 | 1218-35-5 | Xylometazoline hydrochloride | C16H24N2.HCl；C16H25ClN2 |