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CAS 2124-57-4

CAS 2124-57-4 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 2124-57-4
CAS 2124-57-4PubChem CID 5287554

Menaquinone 7

Menaquinone-7 is a menaquinone whose side-chain contains seven isoprene units in an all-trans-configutation. It has a role as a Mycoplasma genitalium metabolite, a cofactor, a bone density conservation agent, an Escherichia coli metabolite and a human blood serum metabolite. — ChEBI

IUPAC name
2-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18,22,26-heptaenyl]-3-methylnaphthalene-1,4-dione
Molecular formula
C46H64O2
Molecular weight
649.0 g/mol
Exact mass
648.49063128 Da
XLogP3
14.5
Topological polar surface area
34.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

Menaquinone-7Vitamin K2(35)Menaquinone K7Vitamin MK 7Menakinon 72-((2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-Heptamethyloctacosa-2,6,10,14,18,22,26-heptaen-1-yl)-3-methylnaphthalene-1,4-dione8427BML8NY1,4-Naphthalenedione, 2-(3,7,11,15,19,23,27-heptamethyl-2,6,10,14,18,22,26-octacosaheptaenyl)-3-methyl-, (all-E)-
16 more reported names
2-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18,22,26-heptaen-1-yl]-3-methylnaphthalene-1,4-dioneCHEBI:442452-((2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18,22,26-heptaenyl)-3-methylnaphthalene-1,4-dioneRefChem:925473Vitamin K2-7MK-7Menaquinone MK-7(all-E)-2-(3,7,11,15,19,23,27-heptamethyl-2,6,10,14,18,22,26-octacosaheptaenyl)-3-methyl-1,4-naphthalenedioneMk7Menaquinone 7, Synthetic (90%)Menaquinone 7, Synthetic(all-E)-2-(3,7,11,15,19,23,27-heptamethyl-2,6,10,14,18,22,26-octacosahept-aenyl)-3-methyl-1,4-naphthoquinoneVitamin MK-7Menaquinone KMenlaquinone 7HSDB 1040
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 2124-57-4

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How CAS 2124-57-4 is used on this site

CAS 2124-57-4 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 2124-57-4 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.