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4-CEC Crystal –Similar to 4-CMC

4-CPrC (crystal) is a new research chemical act as a psychostimulant.It is similar with 3-CMC.

4-CRPC Crystals is a research chemical with a CAS number of 8272321-02-2. The chemical formula for 4-CRPC Crystals is C15H20ClND and the IUPAC Name is 1-(4-Chloro-phenyl)-2-pyrrolidin-1-yl-pentan-1-one.

4-CPRC is a research chemical that has various similarities with methcathinone and occurs as white crystals or as a white powder in some cases. It is also known as 4-CRrC or 4-Chloro-alpha-PPP (Pyrrolidinopropiophenone) and is a halogen-substitute of α-Pyrrolidinopropiophenone (alpha-PPP), a drug classified as a stimulant.

Alpha-PPP’s structure is similar to that of diethylpropion which is an appetite suppressant and studies have shown that it has similar effects when administered to animals. However little is known about the drug and studies are still underway.

Interestingly though, the stimulant from which 4-CPRC is fashioned has been found as an ingredient in ecstasy. As an analogue of the drug it is likely to be more potent as well as more addictive as similar analogues like MDPV and pyrovalerone have exhibited the same behavior. These substitutes have been more commonly used for recreational purposes.

The purity of 4-CPRC is more than 99% and as a ring-substituted analogue of the alpha-PPP it carries the potential for drug abuse having the same stimulant activity as the alpha-PPP as well as acting as a cathinone under which it is classified.

With these properties it can be used as a stimulant such as methcathinone and have dopamine releasing effects when ingested whilst interfering with the re-uptake of hormones such as epinephrine, norepinephrine and serotonin into the CNS (central nervous system). However, the drug is not recommended for human or veterinary use as information on its effects are still wanting.

Since 4-CRPC Crystals is however, listed as, a Cathinone, which is similar to amphetamines such as methcathinone we can assume that some of the properties are closely related. Cathinones aid in releasing dopamine while discouraging the re-uptake of serotonin, epinephrine, and norepinephrine into the central nervous system.


“I have tried 4-CRPC in small doses from 1mg to 30mg for now. Giving a nice, subtle but unambiguously serotonergic effect that is mood-lifting and feels very clear. Used alone it is rather neutral than stimulating, maybe even a bit sedating in a comfortable mellow-ish way. The effects last for maybe 3 hours and gradually fade away, no harsh comedown. No signs of 5-HT depletion so far. But I've dosed conservatively. “

“T + 0:00: **DOSE: 200mg (0.2g) - orally (crunched once and then allowed to dissolve under tongue which happened surprisingly quickly) After 30 minutes the subject could clearly feel the effects kicking in. Warm, fuzzy head, noticeable lift in mood. Walking around and taking his dogs outside is very cool. He’s playing Call of Duty (Advanced Warfare) on his PS4 with his brother. This is important only because A) even when he was very much feeling the 4-CRPC effects, he was capable of playing this fast paced technical game, and B) normally, losing over and over again this game gets the subject incredibly frustrated and angry (yelling at the tv, giving up and dropping the controller as he walks away, etc). He experienced NONE of this while playing on 4-CRPC, even when he lost as he usually does, the subject was able to chuckle, and keep on playing. No anger, whatsoever.

T + 1 hour: Still playing COD, still feeling great. Subject has begun to clench his jaw, moving his tongue around his mouth rapidly/rhythmically, much like he would do on stimulants. Subject reports additional feeling of slight light-headedness as well as a very slight blurring in his peripheral vision (primary vision remains normal), while the initial warm glow of the substance continues to run strong. Heart Rate: 85bpm

T + 1hr 45min: Subject feels the effects are starting to lessen, and wishes this not to be the case. **DOSE: 130mg (0.13g) taken orally/sublingually. Running total dosage is now 330mg. Heart Rate: 72bpm

T + 2hr 20min: initial reported effects are continuing pleasantly. Heart Rate: 72bpm

T + 2hr 41min: Subject again notices his tongue and teeth clicking rhythmically and constantly. Definitely due to a stimulant effect of the 4-CRPC Heart Rate: 74bpm

T + 3hr 12min: effects are again fading, again the subject wishes to continue the experience. **DOSE: 150mg (0.15g) taken orally/sublingually. Running total dosage is now 480mg (0.480g)

T + 4hr 5min: **DOSE: 230mg (0.23g) taken orally/sublingually Running total dosage is now 710mg (0.71g)

T + 4hr 38min: Subject notes continued strong feelings of warmth, happiness, mellow yet excited mood. Continues to play video games and takes his dogs outside every so often. His mood is highly elevated, but still very relaxed. Heart Rate: 78bpm

T + 6hr 32min: Subject notes that effects have almost completely disappeared. The comedown is not harsh in nature at all, no headache, no nausea, no irritation, nothing. However, there is a strong desire to consume more 4-CRPC. **DOSE: 200mg (0.2g) taken by insufflation, one line of decent size.


owder does not burn the nose, but the drip in the back of the subject's throat is not ideal. After a short period of maybe 4 minutes, the effects come back on quite strongly. A warm fuzzy feeling rushes over the subject as he is urinating and he feels “fantastic”. Heart Rate: 78bpm

T + 7hr 16min: subject’s nose has been running slightly, no blood, only from the one nostril used to insufflate the powdered 4-CRPC Crystals. At this point the effects from the insufflated substance have almost completely worn off, though his nose continues to run slightly. The subject experiences a strong desire to, again, take more of the substance.

Plantfeedshop.com offer excellent quality 4-CRPC for sale.