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Octane is a hydrocarbon and an alkane with the chemical formula C8H18, and the condensed structural formula CH3(CH2)6CH3. Octane has many structural isomers that differ by the amount and location of branching in the carbon chain. One of these isomers, 2,2,4-trimethylpentane is used as one of the standard values in the octane rating scale.
Substances, mixtures and exposure circumstances in this list have been classified by the International Agency for Research on Cancer (IARC) as group 2B: The agent (mixture) is "possibly carcinogenic to humans". The exposure circumstance entails exposures that are possibly carcinogenic to humans. This category is used for agents, mixtures and exposure circumstances for which there is limited evidence of carcinogenicity in humans and less than sufficient evidence of carcinogenicity in experimental animals. It may also be used when there is inadequate evidence of carcinogenicity in humans but there is sufficient evidence of carcinogenicity in experimental animals. In some instances, an agent, mixture or exposure circumstance for which there is inadequate evidence of carcinogenicity in humans but limited evidence of carcinogenicity in experimental animals together with supporting evidence from other relevant data may be placed in this group. Further details can be found in the preamble to the IARC Monographs.
Substances, mixtures and exposure circumstances in this list have been classified by the International Agency for Research on Cancer (IARC) as group 3: The agent is not classifiable as to its carcinogenicity to humans. This category is used most commonly for agents, mixtures and exposure circumstances for which the evidence of carcinogenicity is inadequate in humans and inadequate or limited in experimental animals. Exceptionally, agents (mixtures) for which the evidence of carcinogenicity is inadequate in humans but sufficient in experimental animals may be placed in this category when there is strong evidence that the mechanism of carcinogenicity in experimental animals does not operate in humans. Agents, mixtures and exposure circumstances that do not fall into any other group are also placed in this category.
The Controlled Drugs and Substances Act is Canada's federal drug control statute. Passed in 1996 under Prime Minister Jean Chrétien's government, it repeals the Narcotic Control Act and Parts III and IV of the Food and Drugs Act, and establishes eight Schedules of controlled substances and two Classes of precursors. It provides that "The Governor in Council may, by order, amend any of Schedules I to VIII by adding to them or deleting from them any item or portion of an item, where the Governor in Council deems the amendment to be necessary in the public interest."
This is the list of extremely hazardous substances defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act. The list can be found as an appendix to 40 C.F.R. 355. Updates as of 2006 can be seen on the Federal Register, 71 FR 47121.
Xylidine can refer to any of the six isomers of xylene amine, or any mixture of them.
Dimethoxyamphetamine (DMA) is a series of six lesser-known psychedelic drugs similar in structure to the three isomers of methoxyamphetamine and six isomers of trimethoxyamphetamine. The isomers are 2,3-DMA, 2,4-DMA, 2,5-DMA, 2,6-DMA, 3,4-DMA, and 3,5-DMA. Three of the isomers were characterized by Alexander Shulgin in his book PiHKAL. Little is known about their dangers or toxicity.
Heptanone may refer to the following ketones with seven carbon atoms the formula C7H14O:
Dimethylhexane may refer to any of several isomeric chemical compounds:
The molecular formula C8H11N (molar mass: 121.18 g/mol) may refer to:
The molecular formula C8H18 (molar mass: 114.23 g/mol) may refer to:
DMPEA can refer to two subclasses of substituted phenethylamines:
The molecular formula C8H10O may refer to:
The 2019 WGC-Mexico Championship was a golf tournament played February 21–24 at Club de Golf Chapultepec in Naucalpan, Mexico, just west of Mexico City. It was the 20th time the WGC Championship was played, and the first of the World Golf Championships events to be staged in 2019. The approximate elevation of the course's clubhouse is 2,400 meters (7,870 ft) above sea level.
References
- ↑ "Formula Browser". National Institute of Standards and Technology. Retrieved July 7, 2015.
- ↑ "4-methyl-5-propyloctane". National Institute of Standards and Technology. Retrieved July 7, 2015.
- ↑ "4-methyl-5-(1-methylethyl)octane". National Institute of Standards and Technology. Retrieved July 7, 2015.
- ↑ "hexane, 2,3,5-trimethyl-4-(1-methylethyl)-". National Institute of Standards and Technology. Retrieved July 7, 2015.