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ADB-P7AICA

Synthetic cannabinoid, a full CB1 agonist. Identified in 2021; human data absent.

Level of detail

Harm-reduction warning

No characterised human dose: animal / in vitro data only. Effect profile, safety margin and acute toxicity are not documented in human clinical practice. Extremely potent compound: severe effects, seizures and deaths reported in the literature.

C₁₉H₂₈N₄O₂

CID 155538637

Family
Synthetic CB receptor agonistNew psychoactive substance
Molar mass
344.50 g/mol

Updated on

In plain terms

ADB-P7AICA is a synthetic cannabinoid, made in the laboratory and with no connection whatsoever to hemp or CBD. It was spotted in 2021 in the urine of detainees in Alabama, never as an ingredient of a CBD product. It acts on the same brain receptors as THC, and human data are lacking: this page is here to inform, not to sell.

Receptors and activity

Target network

CB1AgonistKi = 3.9 nM · human[3H]CP55,940 displacement, human CB1 (HEK293 membranes); EC50 5.8 nM (membrane potential, AtT20), Emax 112% of CP55,940
  • Activates

The lower the cited value, the closer the target sits to ADB-P7AICA: one ring per factor of 100. A target with no measured value stays on the edge.

Where these targets live

Where each target has been found in humans, according to the cited studies. The map shows the target, not an effect of ADB-P7AICA.

Brain, side view
Body, front view
Blood

CB1CB1 found in 7 regions of the body

  1. Basal gangliadenseMost dense in basal ganglia outflow nuclei1
  2. CerebellumdenseVery dense in the cerebellum1
  3. HippocampusdenseVery high concentrations in the hippocampus2
  4. AmygdaladenseHigh concentrations in the amygdala2
  5. CortexpresentPresent throughout the neocortex2
  6. Adipose tissuepresentExpressed in adipose tissue3
  7. GutpresentColonic epithelium, smooth muscle and plexus4

Cited values

  1. CB1AgonistKi = 3.9 nM · human73 out of 100

    Sparkes et al. 2022, RSC Med Chem (new tab) · [3H]CP55,940 displacement, human CB1 (HEK293 membranes); EC50 5.8 nM (membrane potential, AtT20), Emax 112% of CP55,940

  2. CB2AgonistKi = 20.4 nM · human62 out of 100

    Sparkes et al. 2022, RSC Med Chem (new tab) · [3H]CP55,940 displacement, human CB2; EC50 7.1 nM (membrane potential, AtT20), Emax 108% of CP55,940

Bar length follows the measured value (Ki, Kd, EC50 or IC50), on one scale shared by every entry, from 100 µM to 0.1 nM. A target with no cited value has no bar.

Pharmacology

ADB-P7AICA is a 7-azaindole (pyrrolo[2,3-b]pyridine) 3-carboxamide combining a tert-leucinamide head and an N-pentyl chain. The only published pharmacological characterisation is that of Sparkes et al. (RSC Medicinal Chemistry, 2022): by displacement of [³H]CP55,940 on HEK293 membranes, a Ki of 3.94 nM at CB1 and 20.4 nM at CB2; by membrane potential in AtT20 cells, an EC50 of 5.8 nM at CB1 and 7.1 nM at CB2, for a maximal effect reaching 112 % and 108 % of that of CP55,940. It is therefore a high-efficacy agonist at both receptors, where THC is only a partial agonist. The authors place the 7-azaindole core well behind the indazoles, ADB-BUTINACA tested in parallel binding CB1 with a Ki of 0.299 nM, more than ten times better. In β-arrestin 2 recruitment (NanoBiT, HEK293T cells), the EC50 at CB1 falls back to 147 nM. In mice, the molecule lowers core body temperature at 10 mg/kg, the signature of a central cannabimimetic action (ADB-BUTINACA acts from 0.1 mg/kg). Beyond this single paper and the DEA announcement of February 2021, the literature is empty: no clinical case, no metabolism study, no human data.

History

Source
A synthetic product with no natural occurrence: a laboratory molecule distributed as a designer drug. It was spotted in the United States by the Drug Enforcement Administration together with the CTEB clinical toxicology laboratory of the University of California, San Francisco, in urine samples collected in November 2020 from a group of detainees in Alabama.

Origin

Laboratory synthesis

No biosynthetic pathway: the molecule does not exist in hemp and comes from laboratory synthesis.

Classification

Family, origin and source verification

Family

Synthetic CB receptor agonist › New psychoactive substance

Class

7-azaindole-3-carboxamide (pyrrolo[2,3-b]pyridine)

Verification

Classification, sources and binding values checked on 20 October 2026; text read against its sources and Wikipedia.

Wikipedia (English)

ADB-P7AICA (new tab)

Article paired by the molecule's structure (InChIKey), revision read on 19 October 2026. Read as a second opinion, never cited as a source.

References

Identifiers

Names

IUPAC name
N-[(2S)-1-amino-3,3-dimethyl-1-oxobutan-2-yl]-1-pentylpyrrolo[2,3-b]pyridine-3-carboxamide

Identifiers

Formula
C₁₉H₂₈N₄O₂
InChIKey
QDZHLYBDQFZWCJ-OAHLLOKOSA-N
SMILES
NC(=O)[C@@H](NC(=O)c1cn(CCCCC)c2ncccc21)C(C)(C)C

Machine-readable entry (JSON)

LLM ingestion format: a structured superset of the entry (identifiers, binding, versioned legal status). Full corpus.