Drug Purity Report Week 41, 2026
This article has been translated to English.
Drug Purity Report #41/26. Welcome to “last week on drugs”, the series by PRO Test that brings you fresh drug purity news from the clandestine market. PMMA, one of extremely dangerous MDMA (Ecstasy, Molly) adulterants continues to be found in European pils, among cathinones and even at least one piperazine. Synthetic cannabinoids market diversity is expanding as well, with ADB-HEXINACA making the first public appearance in available data.
Available lab results originate mostly in Western Europe, but the detected patterns are likely to have a much wider reach. Data fatigue is real, so here we come to give you the gist of what’s going on out there. For more details, photos, and other information on thousands of drugs, head out straight to the DrugsPRO app.
PMMA, one of most dangerous MDMA adulterants, is still around. Recently confirmed (again) in pills with logos Trump, Club 555 and Gorilla in Austria, Belgium and Netherlands, PMMA remains to be a Europe-wide issue. Not only is this compound unlikely to cause any desirable effects, it might confuser user into ingesting more, amplifying the significant risk of overdose, specifically serotonin syndrome. While less dangerous than closely related PMA, PMMA is not only enough of a concern for UNODC to issue an alert, but also is being found deliberately mixed with MDMA making detection harder.
New synthetic cannabinoid makes an appearance – ADB-HEXINACA. Another strong cannabinoid receptor agonist joins the ranks of the plethora of synthetics sprayed onto cheap CBD flowers. With hemp being nowadays hard to visually tell apart from regular recreational cannabis flowers, the incentive to adulterate remains high for dishonest dealers. Both fully synthetics, like HEXINACA, PINACA, CHMINACA class compounds, as well as semi-synthetics like HHC, HHCP, d8-THC, continue to be confirmed in multiple countries. The stronger synthetics, like HEXINACA, pose significant risks for cannabinoids, including acute kidney injury with prolonged dose.
Scam of the Week
Samples that were not what they were sold as. Substitutions like these can be picked up with a test kit before anything is taken.
| Sold as | Actually | Samples |
|---|---|---|
| MDMA | PMMA | 2 samples |
| MDMA | Methamphetamine | 1 sample |
| Mescalin | no active substance | 1 sample |
Dishonourable mentions from this week. What the lab actually found, with the date and the place it was checked.
| What was in it | Sold as | When | Where |
|---|---|---|---|
| Caffeine 189mg | MDMA | 5 October | Vienna, Austria |
| Caffeine 172mg | MDMA | 5 October | Vienna, Austria |
| Cannabis, MDMB-PINACA, ADB-HEXINACA | THC-Cannabis | 5 October | Vienna, Austria |
[Additional dishonourable mentions. Name the individual samples worth calling out, each with the date and the place in brackets. Leave it out when the table says enough.]
Last Week at a Glance
- 133 samples from 7 countries (Australia, Austria, Germany, Netherlands, Slovenia, Spain and Switzerland) were included this week.
- 104 samples contained a quantified result, including 44 pills and 3 LSD samples.
- 61 samples contained more than one detected ingredient.
- Amphetamine was typically 8.1% this week, against 57% across the twelve months before.
What People Searched For
Below is a list of substances people are searching for in the DrugsPRO app when coming from Google, ordered by how often they were searched over the past week. Something suddenly on the rise can stand out in search interest before it shows up in lab results.
| # | Substance | Trend |
|---|---|---|
| 1 | Ethylbromazolam | rising |
| 2 | NEP | steady |
| 3 | Bromonordiazepam | cooling |
| 4 | Flubrotizolam | steady |
| 5 | 4-Pro-MET | rising |
| 6 | 1Fe-LSD | cooling |
| 7 | MDPHP | cooling |
| 8 | 4-Pro-MET | rising |
| 9 | Ethylflualprazolam | cooling |
| 10 | 4-CMC | rising |
Substances in Focus
Three substances covered in more detail this week: what they are, and how they are dosed and how long they last by route of administration. Doses and durations come from the DrugsPRO library and describe the substance itself, not any tested sample.
PMMA
PMMA, para-methoxymethylamphetamine, is a structural hybrid of PMA and methamphetamine that is sold as ecstasy, historically under logos such as Mitsubishi and Jumbo. Read more on euda.europa.eu
Oral
No dose range is shown for this substance. There is no dose that makes it safe, and drug-checking services advise against taking it at all.
MCPP
meta-Chlorophenylpiperazine (also known as mCPP) is a stimulant drug of the phenylpiperazine class. It was first synthesized as one in a series of potential novel antihistamines by Thomas H. Wicker Jr. in 1951 as part of his doctoral work at the University of Florida. Read more on psychonautwiki.org
Oral
Dose range
Duration
Onset 0.3-1 hCome-up 0.3-1 hPeak 2-4 hOffset 3-8 h
Source: psychonautwiki.org
MDMA
MDMA is a classical entactogen of the substituted amphetamine class, first developed in 1912 by the pharmaceutical company Merck. It remained largely obscure until the 1970s, when it gained recognition in underground psychotherapy circles before spreading into nightlife and rave culture. Read more on dose.wiki
Source: erowid.org, tripsit.me, psychonautwiki.org
Oral
Dose range
Duration
Onset 0.33-1.17 hCome-up 0.5-1 hPeak 1.5-2.5 hOffset 1-1.5 h
Total: 4-6 h. After effects: 12-48 h.
Insufflated
Dose range
Duration
Onset 0.03-0.25 hPeak 1-2.5 hOffset 2.5-5 h
Total: 3-5 h. After effects: 12-36 h.
Rectal
Dose range
Source: dose.wiki, tripsit.me, psychonautwiki.org, substance.wiki
Bars are drawn to the same scale within a substance. An open-ended band such as “175+ mg” is shown reaching the end of the scale.
Purity and Content
Below, the big number in each row is the typical result for 5–11 October 2026: half the samples came in stronger, half weaker. The smaller one in brackets is the same thing measured over the last twelve months.
| Samples | Substance | Typical purity / content |
|---|---|---|
| 10 | Cocaine | 61% (88%*) half of samples 32.2 to 74.7% |
| 10 | MDMA | 129.5mg (157mg*) half of samples 109.5 to 167.3mg |
| 7 | Mephedrone | 59.2% (85%*) half of samples 29.9 to 67.1% |
| 6 | Amphetamine | 8.1% (57%*) half of samples 2.5 to 53.3% |
* the 12 months before this week, not the same week a year ago
Most Common Adulterants and Other Impurities
Across the last 365 days, 1,977 mixed samples contained 216 distinct additional ingredients.
| Samples | Additional ingredient | Share of substance mixtures | Most often found with |
|---|---|---|---|
| 691 | Caffeine | 85.1% of amphetamine samples · higher than last week |
Amphetamine, Heroin, MDMA |
| 276 | Unknown | 22.9% of MDMA samples · lower than last week |
MDMA, Mephedrone, 2C substances |
| 156 | Paracetamol | 80.5% of heroin samples · lower than last week |
Heroin, Cocaine, Ketamine |
| 113 | MDMA | 43.8% of ketamine samples · higher than last week |
Ketamine, 2C substances, Mephedrone |
| 110 | Procaine | 34.9% of cocaine samples · higher than last week |
Cocaine, Mephedrone, Ketamine |
| 107 | iso-LSD | 93.9% of LSD samples |
LSD |
| 105 | 4-CMC | 34.5% of mephedrone samples |
Mephedrone, MDMA, Ketamine |
| 102 | Ketamine | 17% of MDMA samples · lower than last week |
MDMA, Amphetamine, Cocaine |
| 62 | Phenacetin | 15.8% of cocaine samples · lower than last week |
Cocaine, Heroin, Ketamine |
| 56 | Levamisole | 19.4% of cocaine samples · lower than last week |
Cocaine, Ketamine |
| 55 | 2-MMC | 11.5% of mephedrone samples · lower than last week |
Mephedrone, Ketamine, MDMA |
| 43 | 4-BEC | 21.5% of mephedrone samples · lower than last week |
Mephedrone, Ketamine |
| 42 | Cocaine | 12.4% of ketamine samples · higher than last week |
Ketamine, Heroin, Amphetamine |
| 41 | Amphetamine | 12.4% of ketamine samples · lower than last week |
Ketamine, MDMA, Cocaine |
| 38 | 2C-B | 8.5% of MDMA samples · higher than last week |
MDMA, Ketamine, Amphetamine |
| 37 | 4-MMC | 7.1% of MDMA samples · higher than last week |
MDMA, Ketamine, Cocaine |
| 32 | 1-PEA | 7% of amphetamine samples · higher than last week |
Amphetamine, MDMA |
| 29 | DPIA | 6.5% of amphetamine samples · higher than last week |
Amphetamine |
| 28 | d-8-Tetrahydrocannabinol | 30.4% of THC samples · higher than last week |
THC/cannabinoids |
| 26 | NEP | 7.5% of mephedrone samples · higher than last week |
Mephedrone, MDMA, Ketamine |
Impurities Detected This Week
MDMA: 3-CMC (2), 4-BMC (1), 4-CMC (1), 4-MMC (4), Amphetamine (2), Caffeine (2), Ketamine (2), Maltodextrin (1), PMMA (1), Sildenafil (1), Theophyllin (2)
Amphetamine: 1-PEA (2), 3-CMC (1), 4-MMC (1), Caffeine (10), Cocaine (1), DPIA (3), Ketamine (1), MDMA (2), Methamphetamine (1)
Methamphetamine: Amphetamine (1)
Cocaine: Amphetamine (1), Caffeine (3), Levamisole (3), Procaine (7)
Ketamine: 3-CMC (1), 4-MMC (1), Amphetamine (1), MDMA (2)
LSD: ETH-LAD (1), iso-LSD (3), MiPLA (1), Unknown (1)
THC/cannabinoids: 5F-MDMB-PINACA (1), ADB-HEXINACA (1), d-8-Tetrahydrocannabinol (1), Delta-9-Thcp (1), Free Cbd (2), Free Thc (2), HHC (1), MDMB-PINACA (1), Nicht Näher Bestimmtes Semi- Synthetisches Cannabinoid (1), Tetrahydrocannabidiol (1), Unknown (3)
Mephedrone: 3-CMC (2), 4-BEC (2), 4-CMC (2), A-PVP (1), Amphetamine (1), Ketamine (1), MDMA (4), Unknown (3)
Remaining detected substances: 2-MMC (4), 3-CMC (2), 4-BMC (1), 4-CMC (12), 5-Dimethoxy-Benzeenethanamine (1), Alprazolam (1), Caffeine (3), Cyproheptadine (1), MCPP (1), N-Acetyl-2-Bromo-4 (1), NEP (7), PMMA (2), Unknown (4)
Data Sources
This report is based on drug-checking data published by: addiction-neuchatel.ch, ailaket.com, BAONPS, CanTEST, checkit.wien, contact-suchthilfe.ch, DILU, drogart.org, drogenarbeitz6.at, drugchecking.berlin, drugchecking.ch, druglab.fr, DrugsData, École des sciences criminelles (ESC), energycontrol.org, eurotox.org, IRM Basel, knowyourstuff.nz, modusvivendi-be.org, neutravel.net, nightlifevaud.ch, NSW Health, nuit-blanche.ch, Pharmazeutischen Kontrolllabor Bern, Pill Testing Australia, raveitsafe.ch, Reseachem GmbH, saferdancebasel.ch, SaferParty.ch, stoftest.org, toxibot.com, tragwerk-luzern.ch, Trimbos, triptalks.at, Université Lausanne, Victorian Department of Health, Victorian Pill Testing Service, wedinos.wales.
All of this data is available at your fingertips in the DrugsPRO app for Android, iOS, and the web.
Drug-checking results describe tested samples only and are not representative of the entire market.
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No test result can tell you a substance is safe. No substance is 100% safe.This article is published for harm reduction purposes. It does not encourage the use of psychoactive substances and does not replace medical advice.