(Received 4 September 1979; accepted 23 November 1979)
Published Online: July
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The use of 3-methylbenzthiazolinone-2-hydrazone (MBTH) for the detection of cannabinoids on thin-layer chromatography (TLC) plates is reported. Because MBTH is readily available in analytical-grade preparations, is fairly stable, gives characteristic, specific colors with the various cannabinoids studied, and might not be a potent carcinogenic compound, it is suggested as an alternative spray reagent for the detection of cannabinoids on TLC plates.
Assistant director, Central Forensic Science Laboratory, Bureau of Police Research and Development, Ministry of Home Affairs, Government of India, Hyderabad,
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