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  2. Shoe size - Wikipedia

    en.wikipedia.org/wiki/Shoe_size

    The shoe size is directly proportional to the length of the foot in the chosen unit of measurement. Sizes of children's, men's, and women's shoes, as well as sizes of different types of shoes, can be compared directly. This is used with the Mondopoint system (USSR/Russia and East Asia). Size 0 as the length of the shoe's inner cavity of 0.

  3. Cannabis drug testing - Wikipedia

    en.wikipedia.org/wiki/Cannabis_drug_testing

    THC, the main psychoactive component of cannabis, may only be detectable in saliva and oral fluid for 2–24 hours in most cases. [8] [9] The main metabolite excreted in the urine is 11-Nor-9-carboxy-THC, also known as THC-COOH. Most cannabis drug tests yield a positive result when the concentration of THC-COOH in urine exceeds 50 ng/mL. [10]

  4. Tetrahydrocannabinolic acid - Wikipedia

    en.wikipedia.org/wiki/Tetrahydrocannabinolic_acid

    Tetrahydrocannabinolic acid (THCA, 2-COOH-THC; conjugate base tetrahydrocannabinolate) is a precursor of tetrahydrocannabinol (THC), an active component of cannabis. [1]THCA is found in variable quantities in fresh, undried cannabis, but is progressively decarboxylated to THC with drying, and especially under intense heating such as when cannabis is smoked or cooked into cannabis edibles.

  5. Δ-8-Tetrahydrocannabinol - Wikipedia

    en.wikipedia.org/wiki/Δ-8-Tetrahydrocannabinol

    Δ-8-tetrahydrocannabinol (delta-8-THC, [a] Δ 8-THC) is a psychoactive cannabinoid found in the cannabis plant. [1] It is an isomer of delta-9-tetrahydrocannabinol (delta-9-THC, Δ 9-THC), the compound commonly known as THC, with which it co-occurs in hemp; natural quantities of ∆ 8-THC found in hemp are low.

  6. Tetrahydrocannabutol - Wikipedia

    en.wikipedia.org/wiki/Tetrahydrocannabutol

    Similarly to THC, it has 7 double bond isomers and 30 stereoisomers. [6] The Δ 8 isomer is known as a synthetic cannabinoid under the code name JWH-130, [7] and the ring-opened analogue cannibidibutol (CBDB) is also known. [8] THC-Butyl can be synthesized from 4-butylresorcinol. [citation needed] Cannabidibutol (CBDB), 60113-11-3

  7. 11-Nor-9-carboxy-THC - Wikipedia

    en.wikipedia.org/wiki/11-nor-9-Carboxy-THC

    11-COOH-THC is a Schedule 8 prohibited substance in Western Australia under the Poisons Standard (July 2016). [15] A schedule 8 substance is a controlled Drug – Substances which should be available for use but require restriction of manufacture, supply, distribution, possession and use to reduce abuse, misuse and physical or psychological dependence.

  8. Drug test - Wikipedia

    en.wikipedia.org/wiki/Drug_test

    2 to 3 days in blood, up to 2 weeks in blood of heavy users [12] However, it depends on whether actual THC or THC metabolites are being tested for, the latter having a much longer detection time than the former. THC (found in marijuana) may only be detectable in saliva/oral fluid for 2 to 24 hours in most cases, though in rare cases has been ...

  9. List of shoe styles - Wikipedia

    en.wikipedia.org/wiki/List_of_shoe_styles

    Shoe designers have described a very large number of shoe styles, including the following: Leather ballet shoes, with feet shown in fifth position. A cantabrian albarca is a rustic wooden shoe in one piece, which has been used particularly by the peasants of Cantabria, northern Spain.