Vitamin K2 is a kind of natural vitamin containing the basic structure of menadione and having anti-bleeding effect, vitamin K2 is a fat-soluble vitamin, a derivative of naphthoquinone group with the biological activity of chlorophyloquinone, is one of the indispensable important vitamins in the human body。
CAS NO.：11032-49-8
Molecular formula: C16H16O2.(C5H8)n
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