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Menaquinone

CAS 1182-68-9

Menaquinone chemical structure

Concern score

Not assessed — no hazard data yet.

Menaquinone in plain language

What it is

Also known as Menaquinone 5 · Vitamin K2(25) · Vitamin mk 5 · C36H48O2 · J39.473D · MK-5

Show all 9 names

Menaguinone · UNII-12V8PA4WCH · menaquinone-n

What it does

We don't have a plain-language description for Menaquinone yet.

Is it a concern?
We haven't assessed a concern score for this ingredient yet.

What we know about this ingredient

FDA GSRS classifies this ingredient as ingredient substance chemical.

Regulation

No restrictions found. Menaquinone appears in these published regulatory listings.

  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for Menaquinone yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →
Reference links (1)
Openfda substance

nikkajiweb.jst.go.jp

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Catalog

Found in these products

Their ingredient lists include Menaquinone; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Menaquinone in the catalog.