Table 2 Reference molecular formulas and molecular weights for each menaquinone (MK) ion fragment
MK | Molecular formula | [M]+ | [M + H]+ | [M + Na]+ | [M + K]+ |
|---|---|---|---|---|---|
MK-1 | C16H16O2 | 240.115 | 241.1229 | 263.1048 | 279.0787 |
MK-2 | C21H24O2 | 308.1776 | 309.1855 | 331.1674 | 347.1413 |
MK-3 | C26H32O2 | 376.2402 | 377.2481 | 399.2300 | 415.2039 |
MK-4 | C31H40O2 | 444.3028 | 445.3107 | 467.2926 | 483.2665 |
MK-5 | C36H48O2 | 512.3654 | 513.3733 | 535.3552 | 551.3291 |
MK-6 | C41H56O2 | 580.4280 | 581.4359 | 603.4178 | 619.3917 |
MK-7 | C46H64O2 | 648.4906 | 649.4985 | 671.4804 | 687.4543 |
MK-8 | C51H72O2 | 716.5532 | 717.5611 | 739.5430 | 755.5169 |
MK-9 | C56H80O2 | 784.6158 | 785.6237 | 807.6056 | 823.5795 |
MK-10 | C61H88O2 | 852.6784 | 853.6863 | 875.6682 | 891.6421 |
MK-11 | C66H96O2 | 920.7410 | 921.7489 | 943.7308 | 959.7047 |
MK-12 | C71H104O2 | 988.8036 | 989.8115 | 1011.7934 | 1027.7673 |
MK-13 | C76H112O2 | 1056.8662 | 1057.8741 | 1079.856 | 1095.8299 |
MK-14 | C81H120O2 | 1124.9288 | 1125.9367 | 1147.9186 | 1163.8925 |
MK-15 | C86H128O2 | 1192.9914 | 1193.9993 | 1215.9812 | 1231.9551 |