Pet Safety / Compounds / Methylone (bk-MDMA)

Is Methylone (bk-MDMA) safe for dogs and cats?

High risk for pets

Serotonergic and sympathomimetic toxicity. Festival/party environments increase accidental pet exposure.

What is methylone (bk-mdma)?

The IUPAC name is (2S,4S,5R,6R)-5-acetamido-6-[(1S,2R)-2-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-1,3-dihydroxypropyl]-2-[(2R,3S,4R,5R,6S)-3-[(2S,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-5-hydroxy-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-4-yl]oxy-4-hydroxyoxane-2-carboxylic acid.

Also known as: CHEBI:59218, beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc, 2-acetamido-2-deoxy-beta-D-galactopyranosyl-(1->4)-[5-acetamido-3,5-dideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranonosyl-(2->8)-5-acetamido-3,5-dideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranonosyl]-(2->3)-beta-D-galactopyranosyl-(1->4)-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-galactopyranosyl-(1->4)-(5-acetamido-3,5-dideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranonosyl-(2->8)-5-acetamido-3,5-dideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranonosyl)-(2->3)-beta-D-galactopyranosyl-(1->4)-beta-D-glucopyranose.

IUPAC name
(2S,4S,5R,6R)-5-acetamido-6-[(1S,2R)-2-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-1,3-dihydroxypropyl]-2-[(2R,3S,4R,5R,6S)-3-[(2S,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-5-hydroxy-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-4-yl]oxy-4-hydroxyoxane-2-carboxylic acid
CAS number
186028-79-5
Molecular formula
C42H69N3O32
Molecular weight
1128.0 g/mol
SMILES
CNC(C)C(=O)c1ccc2OCOc2c1
PubChem CID
45266844

Risk for dogs

High risk

Serotonergic and sympathomimetic toxicity. Festival/party environments increase accidental pet exposure.

Risk for cats

Very high risk

Extreme serotonin sensitivity. Any exposure requires emergency treatment.

Regulatory consensus

1 regulatory bodyhas classified Methylone (bk-MDMA).

AgencyYearClassificationNotes
DEA2013Schedule I controlled substance

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 methylone (bk-mdma)

  • Illicit Drug
  • Research Chemical

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Methylone (bk-MDMA):

  • No safe consumer alternative exists
    Trade-offs: N/A — synthetic cathinone frequently sold as 'Molly'/MDMA. Unpredictable potency.
    Relative cost: N/A

Frequently asked questions

Is methylone (bk-mdma) safe for pets?

Serotonergic and sympathomimetic toxicity. Festival/party environments increase accidental pet exposure.

See Methylone (bk-MDMA) in the pets app

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Sources (1)

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 →