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957-78-8

957-78-8 Structure

957-78-8 Structure
IdentificationBack Directory
[Name]

2-Methyl-3-(3-methyl-2-butenyl)-1,4-naphthalenedione
[CAS]

957-78-8
[Synonyms]

Vitamin MK1
Vitamin MK-1
Menaquinone 1
Vitamin K2(5)
2-Methyl-3-(3-methyl-2-butenyl)-1,4-naphthoquinone
2-Methyl-3-(3-methyl-2-butenyl)-1,4-naphthalenedione
2-Methyl-3-(3-methylbut-2-en-1-yl)naphthalene-1,4-dione
[Molecular Formula]

C16H16O2
[MDL Number]

MFCD28990677
[MOL File]

957-78-8.mol
[Molecular Weight]

240.3
Chemical PropertiesBack Directory
[storage temp. ]

Amber Vial, Refrigerator
[solubility ]

Acetonitrile (Slightly), Chloroform (Slightly)
[form ]

Oil
[color ]

Yellow to Dark Yellow
Hazard InformationBack Directory
[Uses]

Vitamin K2(5) is an analog of Vitamin K that acts as a reducing agent and also acts as an electron carrier in the electron transport chain of many bacteria. Intake of Vitamin K2(5) is associated with a reduced risk of coronary heart disease.
[Definition]

ChEBI: Menaquinone is any member of the class of menaquinones that is 2-methyl-1,4-naphthoquinone with an unsaturated isoprenoid chain at the 3-position. It has a role as an Escherichia coli metabolite. It is a vitamin K and a member of menaquinones.
[Synthesis Reference(s)]

The Journal of Organic Chemistry, 36, p. 3951, 1971 DOI: 10.1021/jo00824a023
Tetrahedron Letters, 36, p. 2773, 1995 DOI: 10.1016/0040-4039(95)00394-R
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