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1,3,5,7-Cyclooctatetraene (COT) is an unsaturated derivative of cyclooctane, with the formula C 8 H 8. It is also known as [8] annulene . This polyunsaturated hydrocarbon is a colorless to light yellow flammable liquid at room temperature.
This suggests that the cyclooctatetraene ligands are highly fluxional and some degree of paramagnetism. [1] Fluxional Ring rotation in Fe 3 (COT) 3 depicted by DeKock et al. [13] COT is known to be a highly fluxional ligand in other compounds too, such compounds being deemed “ring-whizzers” (like the related (cyclooctatetraene)iron ...
A 2004 Journal of the Medical Library Association review noted that "approximately half of the [laboratory test results] reports indicate the date the review was posted". [17] For a fee, ConsumerLab.com offers a voluntary certification program. Products that pass the certification can use the "CL Seal of Approval" for which there is a licensing ...
Bowerstown offices of Consumers' Research, built 1934–35. In 1927 Schlink and Chase, encouraged by the public response to the publishing of their book Your Money's Worth, solicited financial, editorial, and technical support from patrons of other activist magazines to support the creation of an organization to offer consumers the unbiased services of "an economist, a scientist, an accountant ...
ConsumerAffairs is an American customer review and consumer news platform that provides information for purchasing decisions around major life changes or milestones. [5] The company's business-facing division provides SaaS that allows brands to manage and analyze review data to improve their products and customer service.
Heteroarenes are aromatic compounds, where at least one methine or vinylene (-C= or -CH=CH-) group is replaced by a heteroatom: oxygen, nitrogen, or sulfur. [3] Examples of non-benzene compounds with aromatic properties are furan, a heterocyclic compound with a five-membered ring that includes a single oxygen atom, and pyridine, a heterocyclic compound with a six-membered ring containing one ...
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Direct-to-consumer tests are regulated as medical devices, although they are not necessarily reviewed by the FDA. [8] 23andMe direct-to-consumer genetic tests were originally offered as LDTs, but the FDA challenged that and forced the company to submit the test for approval as a class II medical device. [9] [10]