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In 1947, when the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes, the state of California was divided into three numbering plan areas: 213, 415, and 916, for the southern, central, and northern parts of the state, respectively. [1]
Pentachlorophenol (PCP) is an organochlorine compound used as a pesticide and a disinfectant. First produced in the 1930s, it is marketed under many trade names. [ 5 ] It can be found as pure PCP, or as the sodium salt of PCP, the latter of which dissolves easily in water.
The effects of 3-MeO-PCP in humans were not described until 1999 when a chemist using the pseudonym John Q. Beagle wrote that 3-MeO-PCP was qualitatively similar to PCP with comparable potency. [1] Interest in gray-market dissociates accelerated in 2008, when an online research chemical vendor began offering the less potent 4-MeO-PCP . [ 1 ]
Conservation measures, such as number pooling, mitigated the immediate need for relief. [5] More than twenty years after that announcement, area code 557 was overlaid on August 12, 2022, as the available numbers in 314 neared exhaustion. [6] Prior to October 2021, area code 314 had telephone numbers assigned for the central office code 988.
The Administrative Controlled Substances Code Number (ACSCN) for PCP is 7471. [79] Its manufacturing quota for 2014 was 19 grams (0.67 oz). [ 80 ] It is a Schedule I drug by the Controlled Drugs and Substances act in Canada, a List I drug of the Opium Law in the Netherlands , and a Class A substance in the UK.
They also serves all of southeastern Missouri (including the Missouri Bootheel area) and areas adjacent to the Mississippi River. 573 was created on January 7, 1996, in a split of area code 314, which was limited to the St. Louis metropolitan area in Missouri, and 235 was added on March 24, 2024 as part of an overlay complex.
3-Methyl-PCPy (3-Me-PCPy) is an arylcyclohexylamine derivative with an unusual spectrum of pharmacological effects, acting as both a potent NMDA antagonist and also a triple reuptake inhibitor which inhibits reuptake of all three monoamine neurotransmitters serotonin, dopamine and noradrenaline.
It is an arylcyclohexylamine derivative, related to drugs such as 3'-MeO-PCP and 3'-Me-PCPy. [ 1 ] [ 2 ] It was first synthesised in the 1960s, [ 3 ] but was only identified on the illicit market in Hungary in September 2020, [ 4 ] and was made illegal in Hungary in April 2021.