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AIRMAIL: uninsured, therefore no reships are offered with this method.

Once the package has left our doors, we have no control over it. Airmail is just your address and stamps. However, if it’s not with you after the allotted amount of time, then please let us know by contacting us via e-mail or chat.

DPD/DHL: insured, eligible for a lost claim and reship.

If if there is something seemingly unusual about your tracking or it’s not with you within 10 working days then let us know, we will need to open a claim for you, to do this we need to inform DPD of the contents of the package (we need your approval to do this), once we have your approval, we then have 2 weeks to get this moving, if we can’t get it moving in this time then we will reship to an alternative address.

POSTNLTRACKED: uninsured, 50% reship/store credit

This is an uninsured shipping option however, if it is not with you after 35 working days, we will reship 50% to an alternative address (once), or we will give you 50% refund in store credit.

4-CMC (Discontinued)

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4-CMC, also named Clephedrone from the cathinone family, has just hit the scene in the research chemical market. 4-CMC research findings are forthcoming. 4-CMC is very interesting for chemical researchers. Be part of a research project that is continuously cited and discussed in the field. Early reports are stating 4-CMC has qualities similar to 4-MMC, bk-MDMA, 3-MMC, and even MDPV. 

  How to use 4-CMC Crystal? Our 4-CMC  comes in the form of the finest and the highest quality crystals. Ensure to store 4-CMC in a dry and cool place for maximum shelf-life. Store in a dry and cool place for maximum shelf-life. When handling research chemicals ensure to always take the proper precautions in the laboratory like wiping down surfaces and wearing gloves, a mask & protective clothing.   Definition 4-CMC The definition of 4-CMC is officially known as 4-Chloromethcathinone and Clephedrone. Cathinone is the active constituent of khat (Catha edullis), a plant whose leaves are chewed on for stimulant effect and closely related in structure to amphetamine.    Chemistry background information 4-CMC Cathinones are a subcategory of amphetamines and share the core structure of amphetamine. Cathinones differ from substituted amphetamines by a ketone substitution on the beta carbon of the amphetamine structure. The cathinone family consists of all derivatives of cathinone that can be formed by one or more hydrogen atoms in the core structure. Derivative compounds include MDPV, mephedrone, methylone and α-PVP, among others.   Where to buy 4-CMC 4-CMC can be purchased here on the Realchems website. We sell premium quality 4-CMC, typically in crystals. However, we often have other substance forms available, so feel free to contact us to see if we have your preferred substance form in stock. You must be at least 18 years old to buy 4-CMC from us.  Shipping 4-CMC* to Canada, Italy, Brazil, Switzerland, Australia, New zealand, France, Germany, Japan, Russia, Mexico, Egypt, Turkey, Spain, Argentina, Poland, Morocco, Saudi Arabia, Romania, Kazakhstan, Netherlands, Belgium, Greece, Tunisia, Czech Republic, Dominican Republic, Portugal, Hungary, Israel, Bulgaria, Finland, Denmark, Slovakia, Norway, Ireland, Croatia, Armenia, Lithuania, Slovenia, Latvia, Estonia and many other countries.

BUY 4-CMC 4-CMC, also named Clephedrone from the cathinone family, has just hit the scene in the research chemical market. 4-CMC research findings are forthcoming. 4-CMC is very i...

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Disclaimer Our 4-CMC Crystal is strictly for laboratory use only and is not approved for human consumption. Any mention of dosage/feeding to humans or animals or anything consumption related is not acceptable.
Short Description

4-CMC Crystals Dosage

4-CMC also known as  4-Chloromethcathinone and Clephedrone from the cathinone class supplied by us in the highest quality crystals. 4-CMC crystals are available in the quantities 0,5g, 1g, 2g, 5g, 10g, 25g, 50g, 100g, 250g, and 500g.  



1 gram

> 97%

2 gram

> 97%

5 gram 

> 97%

10 gram

> 97%

25 gram

> 97%

50 gram

> 97%

100 gram

> 97%

250 gram

> 97%

500 gram

> 97%


4-CMC Chemical data

Chemical name




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Realchems Wholesale 

Most of our products are available wholesale. Please contact us for more information.We endeavor to answer Wholesale inquiries within 24hr hours (Mon-Fri).


Realchems Shipment

We ship Monday to Friday, same day dispatch if ordered and payment is received before 12.30 pm Central European Time. All orders are shipped from the Netherlands. We ship worldwide with the standard exception of the UK, USA & Austria. Under no circumstances will we ship research chemicals to these countries. CBD products, however, are available to these countries.

As a customer please check the legality of this chemical in your country before ordering. We are not responsible for any kind of consequences that are a result of purchasing one of our chemical research products. 

Our products are shipped in sealed Mylar foil bags to protect the material until use. All products are correctly labelled, but there is no reference to the chemical name or Realchems on the outer packaging.

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