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Mu-type opioid receptor

Concern score

Not assessed — no hazard data yet.

Mu-type opioid receptor in plain language

What it is

Also known as Hmop · M-OR-1 · Mop · MOR-1 · MOR1 · Mu opiate receptor

Show all 8 names

Mu opioid receptor · mu (MOP)

What it does

We don't have a plain-language description for Mu-type opioid receptor 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 protein.

Regulation

No restrictions found. Mu-type opioid receptor appears in these published regulatory listings.

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

Evidence & sources

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

2 data sources

Where this comes from

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
Reference links (49)
Openfda substance

cytogelpharma.com

Openfda substance

en.wikipedia.org

Openfda substance

ncit.nci.nih.gov

Openfda substance

en.wikipedia.org

Openfda substance

en.wikipedia.org

Openfda substance

clinicalkey.com

Openfda substance

deadiversion.usdoj.gov

Openfda substance

en.wikipedia.org

+ 37 more not shown

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.