 | C4X-220721 | 562836-92-4 | Impurity | |
| Vitamin K1 Impurity 21 |
| C4X-220722 | N/A | Impurity | |
| Vitamin K1 Impurity 22 |
 | C4X-220723 | 85955-78-8 | Impurity | |
| "(2R,3S)-Epoxide Vitamin K1" |
| C4X-220724 | N/A | Impurity | |
| "(2S,3R)-Epoxide Vitamin K1" |
| C4X-220725 | 1588773-08-3 | Impurity | |
| "2,3-Epoxide Vitamin K1 (Mixture of Diastereomers)" |
| C4X-220727 | 52691-91-5 | Impurity | |
| Phytonadione trans Epoxy (contains up to 20% cis isomer) |
 | C4X-220728 | 107759-10-4 | Impurity | |
| Phytomenadione Impurity 28 |
| C4X-220729 | 481-85-6?free base? | Impurity | |
| Vitamin K1 Impurity 29 |
| C4X-22073 | N/A | Impurity | |
| Vitamin K1 Hydroperoxide |
| C4X-220730 | 15448-59-6 | Impurity | |
| Vitamin K1 Impurity 30 |
