Pet Safety / Compounds / Metonitazene

Is Metonitazene safe for dogs and cats?

Very high risk for pets

Extreme potency. Environmental contamination (discarded paraphernalia) poses lethal risk to dogs.

What is metonitazene?

The IUPAC name is 2-ethyl-2,3-dimethyl-3,4-dihydro-1H-quinolin-7-ol.

Also known as: 14680-51-4, A7FF4K4CWB, DEA NO. 9757, DTXSID901336445.

IUPAC name
2-ethyl-2,3-dimethyl-3,4-dihydro-1H-quinolin-7-ol
CAS number
14680-51-4
Molecular formula
C13H19NO
Molecular weight
205.3 g/mol
SMILES
CCN(CC)CCn1c(/N=N/c2ccc(OC)cc2)c(-c2ccccc2)c2ccccc21
PubChem CID
117193907

Risk for dogs

Very high risk

Extreme potency. Environmental contamination (discarded paraphernalia) poses lethal risk to dogs.

Risk for cats

Very high risk

Any exposure presumed lethal.

Regulatory consensus

1 regulatory bodyhas classified Metonitazene.

AgencyYearClassificationNotes
DEA2022Schedule I controlled substance (emergency scheduling)

Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.

Where pets encounter metonitazene

  • Illicit Drug
  • Research Chemical

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Metonitazene:

  • Buprenorphine/naloxone (for OUD treatment)
    Trade-offs: Same as isotonitazene entry — partial agonist with ceiling effect.
    Relative cost: Covered by insurance/Medicaid

Frequently asked questions

Is metonitazene safe for pets?

Extreme potency. Environmental contamination (discarded paraphernalia) poses lethal risk to dogs.

See Metonitazene in the pets app

Look up products containing metonitazene, compare to alternatives, and explore the full data record.

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Sources (1)
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Reference data, not professional advice. Aggregates publicly available regulatory and scientific data; not a substitute for veterinary, medical, legal, or regulatory advice. Why we built ALETHEIA →