Urinary screening test for K4 (UR-144)
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Test of synthetic cannabinoids type K4, or "UR-144"
NCE-K4-1S
New
Urine test for the detection of synthetic cannabinoids type K4, also called UR-144.
K4 is the third type of synthetic cannabis to have appeared on the market.
More info
The NarcoCheck® K4 rapid test strip is an immunoassay for fast the detection in human urine of synthetic cannabis of type "K4". This synthetic cannabis is now also known as UR-144.
Synthetic cannabis has nothing to do with natural cannabis. It is actually an active chemical and artificial substance. It is called "cannabis" because it mimics natural cannabis by acting on the same receptors of the organism, namely the CB1 and CB2 receptors.
Its chemical composition is completely different from natural cannabis, and as such, synthetic cannabis must be screened with a test specific to it, just like any other drug.
This test will detect the main molecule of K4, the UR-144.
 What is the difference between the K4, K3 test and the K2 test? |
There are 3 types of synthetic cannabis:
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Instructions
Data sheet
| Test type | Urine |
| Reliability | Up to 99% |
| Results in | 5 minutes |
| Detection time | 48h (or even more) after last intake |
| Cut-off (detection standard) | 25 ng/ml |
Cut-off details
NarcoCheck® K4 (UR-144 SYNTHETIC CANNABINOIDS) 25 ng/ml
| Substances | concentration (ng/ml) |
|---|---|
| UR-144 5-Pentanoic acid | 25ng/ml |
| UR-144 4-hydroxypentyl | 10'000ng/ml |
| UR-144 5-hydroxypentyl | 5'000ng/ml |
| XLR-11 4-hydroxypentyl | 2'000ng/ml |
| 5-fluoro AB-Pinaca N-(4-hydroxypentyl) | 10'000ng/ml |
| ADB-PINACA N-(4-hydroxypentyl) | >10'000ng/ml |
| AB-PINACA 4-hydroxypentyl | >10'000ng/ml |
