(–)-11-nor-9-carboxy-?<sup>9</sup>-THC-d<sub>3</sub> (exempt preparation)

(–)-11-nor-9-carboxy-?9-THC-d3 (exempt preparation)

CAT N°: 10009898
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(?)-11-nor-9-carboxy-?9-THC-d3 (exempt preparation) contains three deuterium atoms at the 5 position. It is intended for use as an internal standard for the quantification of (?)-11-nor-9-carboxy-?9-THC (exempt preparation) by GC- or LC-mass spectrometry. ?9-Tetrahydrocannabinol (?9-THC), the active constituent of marijuana, is metabolized primarily by hydroxylation at the allylic C-11 position followed by oxidation to (?)-11-nor-9-carboxy-?9-THC. (?)-11-nor-9-carboxy-?9-THC is the major metabolite of ?9-THC and is used as an internal standard in various analytical procedures to unequivocally confirm its presence in biological fluids.{14785}

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