Substance
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Mecke
Time →
Comments
25I-NBOMe
A research chemical with psychedelic properties commonly mis-sold as LSD. Considered unsafe, and has caused a number of deaths.
2C-B
Fast reaction.
At lower doses 2C-B produces effects similar to those of MDMA, which is why 2C-B has been mis-sold as MDMA since the mid 80s, when MDMA became illegal. Higher doses of 2C-B have been found to cause hallucinogenic effects.
2C-E
Reaction starts quickly and continues with yellow, green and brown present simultaneously.
Reportedly stronger visuals and more intense than other 2C-X drugs.
2C-I
2C-I is a psychedelic similar to, and less popular than 2C-B.
3-MeO-PCE
Goes from yellow to brownish yellow.
Similar in chemical structure to, and slightly more potent than 3-MeO-PCP.
3-MeO-PCP
3-MeO-PCP is a dissociative hallucinogen reportedly similar in nature and potency to PCP and about 10 times more potent than 4-MeO-PCP.
3-MMC
Similarly to Marquis, Mecke produces possibly no color change or faint yellow.
A stimulant similar in structure to 4-MMC (mephedrone).
5-APB
Fast reaction.
5-APB is an empathogenic psychoactive drug that has been associated with a number of deaths. The effects are reportedly similar to MDMA. The pharmacology and toxicity of 5-APB are not fully understood.
5-MeO-DMT
5-MeO-DMT is a psychedelic found in several plant species and in the Sonoran Desert toad. 5-MeO-DMT is a DMT derivative that has been shown to have the potential to reduce anxiety, depression, and PTSD.
6-APB
Fast reaction.
6-APB is an analog of MDMA and MDA, often mis-sold as MDMA. 6-APB is reported to have a longer onset and duration.
AL-LADNone
Similar effects and potency to LSD, with possibly a slightly shorter duration.
AmphetamineNone

For general information about amphetamine, please see the amphetamine info page.

AspirinNone
Aspirin is a commonly used anti-inflammatory. Due to its availability, Aspirin is useful for drug testing purposes to verify whether or not analytical reagents have expired.
BenzocaineNone
Benzocaine is used to treat pain, and is an ingredient in numerous pharmaceuticals for other purposes.
BZP
Mecke is reported to produce a faint yellow color with BZP.
BZP (Benzylpiperazine) is a stimulant that produces effects similar to amphetamine.
CaffeineNone
Caffeine is a widely consumed stimulant found in dozens of plant species, and can have both negative and positive health effects.
CocaineNone

Common cocaine adulterants in a sample can be identified with a cocaine cuts test kit.

The purity of a cocaine sample can be estimated with a cocaine purity test.

For general information about cocaine, please see the cocaine info page.
Codeine
CreatineNone
Creatine is a bodybuilding supplement. It's known to be mis-sold as cocaine and other drugs.
DMT

DMT (or N,N-DMT) is a psychedelic found in many plant and animal species. When smoked, effect onset is rapid (20 - 40 sec.) and duration is relatively short (approx. 5 - 20 minutes). DMT isn't considered to be addictive or toxic, but can have unpredictable adverse reactions, especially among those susceptible to mental disorders.

DXM
EphedrineNoneNo significant color change.
Ephedrine is a stimulant and is similar in chemical structure to amphetamines and is a methamphetamine analogue.
Ethylone
Heroin
For general information about heroin, please see the heroin info page.
Ibuprofen
A widely used medication to treat mild to moderate pain and fever.
KetamineNone
For general information about ketamine, please see our ketamine info page.
LevamisoleNone
Levamisole is a medication used to treat parasitic worm infections in livestock. It is a common cocaine adulterant with adverse side effects.
Lidocaine
Lidocaine is an a local anesthetic, and a common adulterant in cocaine. Both cocaine and lidocaine numb the gums when applied. By diluting cocaine with lidocaine, the user gets the impression they are receiving high-quality cocaine.
LisdexamfetamineNone
Vyvanse is an amphetamine derivative mainly used to treat ADHD and eating disorders.
MDA
Green at the beginning for about a second, and rapidly goes dark blue/black.
Closely related to MDMA, MDA is reported to produce more visuals, and is known to be more neurotoxic. Simon's reagent can differentiate MDA from MDMA.
MDE
Green at the beginning for about a second, and rapidly goes dark blue/black.
Closely related to MDMA, MDE is relatively rare, and is reported as being less potent than MDMA.
MDMA
Green at the beginning for about a second, and rapidly goes dark blue/black.
For general information about MDMA, please see the MDMA info page.
MDPV
MephedroneNone
Developed as an MDMA analogue, mephedrone produces a shortlived effect with a strong urge to redose.
Mescaline
Methamphetamine
The color change to yellow may take place slowly.

For general information about methamphetamine, please see the meth/amphetamine info page.

Methylone
MethylphenidateNone
Modafinil
Sold to treat narcolepsy and as a cognitive enhancer. Modafinil is believed to have a low chance of causing addiction.
Morphine
MXE
MXE is a dissociative hallucinogen developed for grey market distribution. MXE is linked to a number of hospitalizations from higher doses and mixing with other substances.
MXP
MXE (methoxphenidine methoxydiphenidine, 2-MeO-Diphenidine) is a dissociative with reportedly unpredictable effects.
Oxycodone
Oxycodone (sold under the brand name Oxycontin) is an addicive opioid used to treat pain and a commonly used recreational drug.
ParacetamolNone
A widely used medication to treat mild to moderate pain and fever.
PCP
PCP was initially marketed as an anesthetic, but disallowed in the U.S. in the 60s because of the high rate of negative side effects. Ketamine was found to be better as an anesthetic. Recreationally, PCP is used for it's mind-altering effects.
PhenacetinNone
Phenacetin was widely used as a pain reliever and fever reducer until it was withdrawn in the 1970's and 1980's as carcinogenic and kidney damaging. Phenacetin is used as a cocaine cutting agent because of its similar appearance.
PMA
PMA is known to be mis-sold as MDMA, and is linked to a number of deaths. PMA and PMMA are almost identical in chemical makeup.
PMMA
PMMA is known to be mis-sold as MDMA, and is linked to a number of deaths. PMA and PMMA are almost identical in chemical makeup.
ProcaineNone
Procaine is primarily used as an anaesthetic, and is a common cocaine adulterant.
Sugar
Slowly turns yellow, then a golden brown after a few minutes. Ends up dark brown after about 10-15 minutes.
TFMPPNone
TFMPP (3-Trifluoromethylphenylpiperazine) is usually mixed with BZP when sold, in an attempt to mimic the effects of MDMA.
Vitamin C
Slow to red over the course of 5+ minutes.
Vitamin C is an essential nutrient found in various foods and sold as a supplement. It is commonly added as a filler to cocaine as a cheap way to increase profits.
Xylazine
Slow reaction to yellow with xylazine HCL. No reaction with Mecke and freebase xylazine.
Xylazine is used in horses, cattle, and other animals as a sedative and anesthetic. Because xylazine cheap and easy to acquire, it is frequently used as a cut in opioids.

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