Buy UR-144 Online


UR-144 is a synthetic cannabinoid of the tetramethylcyclopropyl series. Along with XLR-11, cyclopropyl Spice analogs have seen wide popularity in the illicit markets since late 2012. UR-144 was originally developed as a pharmaceutical drug candidate due to its high affinity for the cannabinoid receptor CB2.

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UR-144 (1-pentyl-1H-indol-3-yl)(2,2,3,3 tetramethylcyclopropyl)methanone is a synthetic cannabinoid, which has been detected in many herbal blends, resinous samples and powders seized from the Polish drug market since the beginning of 2012. This paper presents the case of intoxication by this substance. A complete picture of the symptoms observed by a witness, paramedics and medical doctors are given. In the analysis of powder residues from the plastic bag seized from the intoxicated person by gas chromatography–mass spectrometry (GC–MS), UR-144 and its major pyrolysis product [1-(1-pentyl-1H-indol-3-yl)-3-methyl-2-(propan-2-yl)but-3-en-1-one] were detected. Both substances were also identified in a blood sample collected on admission of the patient to hospital using liquid. This product is a qualified Reference Material (RM) that has been manufactured and tested to meet ISO17025 and Guide 34 guidelines. These materials are tested using validated analytical methods on qualified instrumentation to ensure traceability of measurements. All traceable RMs may be distinguished by their CofAs and can be downloaded below using the batch number located on the product label. For a representative CofA please contact our technical support.
UR-144 is an analytical reference material categorized as a synthetic cannabinoid.1 It has been found in Spice/K2-type herbal blends. UR-144 is regulated as a Schedule I compound in the United States. This product is intended for research and forensic applications.


10 g, 100 g, 1000 g, 25 g, 250 g, 50 g, 500 g


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