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Development and validation of a quantitative method for the analysis of delta‐9‐tetrahydrocannabinol (delta‐9‐<scp>THC</scp>), delta‐8‐tetrahydrocannabinol (delta‐8‐<scp>THC</scp>), delta‐9‐tetrahydrocannabinolic acid (<scp>THCA</scp>), and cannabidiol (<scp>CBD</scp>) in botanicals, edibles, liquids, oils, waxes, and bath products by gas chromatography mass spectrometry (<scp>GC</scp>/<scp>MS</scp>)

https://doi.org/10.1111/1556-4029.15574
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3 of 12 checkable references need attention · checked 2026-07-22

At the dated check, the references listed below either did not resolve in Crossref or DataCite, or carried a retraction notice. Each one is shown with the registry record that put it there.

4 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.

References needing attention

does not resolve to a known work10.1007/s00216‐020‐02862‐8
does not resolve to a known work10.1055/a‐1155‐6613
does not resolve to a known work10.1186/s42238‐022‐00161‐w
The 9 checked references that resolve
resolves10.1016/j.forsciint.2019.03.046
Quantitative determination of CBD and THC and their acid precursors in confiscated cannabis samples by HPLC-DAD
resolves10.1016/j.jpba.2017.07.021
Qualitative and quantitative measurement of cannabinoids in cannabis using modified HPLC/DAD method
resolves10.3390/molecules24112113
Fast Detection of 10 Cannabinoids by RP-HPLC-UV Method in Cannabis sativa L.
resolves10.1016/j.forsciint.2018.05.033
Commercial cannabis consumer products part 2: HPLC-DAD quantitative analysis of cannabis cannabinoids
resolves10.3390/molecules27030742
High-Throughput Quantitation of Cannabinoids by Liquid Chromatography Triple-Quadrupole Mass Spectrometry
resolves10.1016/j.jfda.2018.06.001
Development and validation of a Fast gas chromatography/mass spectrometry method for the determination of cannabinoids in Cannabis sativa L
resolves10.1093/jat/29.4.258
Quantitative GC-MS Analysis of Δ9-Tetrahydrocannabinol in Fiber Hemp Varieties
resolves10.1016/j.heliyon.2023.e15479
Quantification of 7 cannabinoids in cannabis oil using GC-MS: Method development, validation and application to therapeutic preparations in Friuli Venezia Giulia region, Italy
resolves10.1093/jat/24.8.715
GC-MS Analysis of the Total Δ9-THC Content of Both Drug- and Fiber-Type Cannabis Seeds
The 4 references without a DOI — listed, not checked
no DOI — not checkedControlled Substance Act 21 U.S. Code § 812.
no DOI — not checkedAgriculture Improvement Act of 2018 Pub. L No 115‐334.
no DOI — not checked84 FR 58522 – Establishment of a domestic hemp production program
no DOI — not checked86 FR 5596 – Establishment of a domestic hemp production program
What this badge says. CiteStamped means the CHECKABLE references of this work were clean at the dated check: each resolved to a known work in a public registry, and none carried a retraction notice at that time. It says nothing about the quality, findings, or importance of the work itself, and nothing about references deposited without a DOI.

checked 2026-07-22 — re-checked daily as this page is visited; titles and statuses come from Crossref and DataCite and are not part of the signed record

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