menaquinone menaquinone-8 (all-E)-2-methyl-3-(3,7,11,15,19,23,27,31-octamethyl-2,6,10,14,18,22,26,30-dotriacontaoctaenyl)-1,4-naphthalenedione 2-methyl-3-[(2E,6E,10E,14E,18E,22E,26E)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaen-1-yl]naphthalene-1,4-dione 716.553 717.11620 A menaquinone whose side-chain contains 8 isoprene units in an all-trans-configuration. C51H72O2 CAS:523-38-6 CC(C)=CCC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC\C(C)=C\CC1=C(C)C(=O)c2ccccc2C1=O CHEBI:44027 InChI=1S/C51H72O2/c1-38(2)20-13-21-39(3)22-14-23-40(4)24-15-25-41(5)26-16-27-42(6)28-17-29-43(7)30-18-31-44(8)32-19-33-45(9)36-37-47-46(10)50(52)48-34-11-12-35-49(48)51(47)53/h11-12,20,22,24,26,28,30,32,34-36H,13-19,21,23,25,27,29,31,33,37H2,1-10H3/b39-22+,40-24+,41-26+,42-28+,43-30+,44-32+,45-36+ LXKDFTDVRVLXFY-WQWYCSGDSA-N MK 8 MetaCyc:CPD-9728 PDBeChem:MQ8 Reaxys:1899230 Reaxys:2514221 chebi_ontology menaquinone 8 menaquinone MK8 menaquinone-8 vitamin K2(40) vitamin MK 8